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SPARK PLUG SD-49SMM - TROUBLE SHOOTING

The spark plug la not subject to repair and ensures the specified service life of the engine if operated

properly.

The main parameter determining operability of the spark plug in service is absence of missing. Possible

causes of missing are given in the Table "below.

Trouble Possible

cause

Correction

1. Missing or

absence of sparks

2. Increased gap

between electrodes

3. Carbon deposit,

soot, oil fouling

(1) Damage to apark plug (nicks

on seats and locating areas, deformed,
shell)

(2) Cracks on ceramic tube
(3) Shorting of electrodes,

wetting of shield space, Increased lead
deposit in spark plug nose space

Wear of electrodes after

prolonged operation

Recessive oil consumption, rich

mixture, prolonged idle running

Replace spark plug
Replace spark plug
Eliminate aborting. Dry wet spark

plug. Check grade of fuel used.. Clean and
test apark plug according to Maintenance
Manual

Regap spark plug to 0.4 to
0.46 mm and check spark genera-

p tion at pressure of 10 kgf/cm

Uash spark plug in clean gasoline,

dry and clean apark plug nose space on
sandblaating unit. Blow with compressed
air, check sparking. Adjust fuel mixture and
eliminate excessive oil consumption

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Содержание M-14P

Страница 1: ...N General Construction CRANK MECHANISM ASSEMBLY DESCRIPTION AND OPERATION General Construction CYLINDER ASSEMBLY DESCRIPTION AND OPERATION General Construction TROUBLE SHOOTING SUPERCHARGING DESCRIPTI...

Страница 2: ...ription TROUBLE SHOOTING MAINTENANCE PRACTICES List of Task Cards Operation Procedure IGNITION SYSTEM DESCRIPTION AND OPERATION General Description MAGNETO M 9F DESCRIPTION AND OPERATION General Descr...

Страница 3: ...t of Task Cards Operation Procedure ELECTRICAL POWER SYSTEM DC ELECTRICAL POWER SYSTEM GENERATOR GSR 3000M SERIES 4 DESCRIPTION AND OPERATION General Description Operation TROUBLE SHOOTING MAINTENANCE...

Страница 4: ...ants PP BMT powerplant Pc excessive pressure or rarefaction behind engine blower mm Hg E compression ratio which is ratio of cylinder total volume to volume of combustion chamber Ner reduced engine po...

Страница 5: ...ed sequence by the compressed air distributor Puel air mixture is ignited in the cylinders by high tension electric spark generated in two magnetos operating in parallel Two spark plugs and a starting...

Страница 6: ...19 Engine M 14P Front View Figure 1...

Страница 7: ...20 Engine M 14P Rear View Figure 2...

Страница 8: ...eration at nominal rating II and cruise rating I low pitch airscrew 85 r min 3 Number and arrangement of cylinders 9 radial single row Cylinder numbering Countercio ckwise if viewed from rear cover si...

Страница 9: ...ating ratings 0 2 to 0 5 kgf cm At minimum speed of rotation Hot less than 0 15 kgf cm Air temperature at carburetor inlet 10 to 45 C Fuel grade and octane rating Gasoline B91 115 GOST 1012 72 octane...

Страница 10: ...5 G Maximum permissible for up to 15 min of continuous operation Up to 85 C Maximum permissible engine outlet oil temperature Up to 125 C Maximum temperature difference between engine inlet and outlet...

Страница 11: ...ion of rotation LH Compressed air distributor is adjusted with cylinder No 4 piston being at 12 with respect to crankshaft angle after TDC in expansion stroke Distributor slide valve hole should open...

Страница 12: ...5 Drive direction of rotation LH 1 2 14 Speed Governor Designation R 2 series 04 Type Centrifugal Drive transmission ratio 1 045 Drive direction of rotation RH 1 2 15 Engine Tachometer Generator Desi...

Страница 13: ...ute NOTES 1 Engine power and fuel specific consumption rates for all the ratings shall be ensured at non loaded generator and compressor 2 Upper power limit and blowpr outlet supercharged pressure at...

Страница 14: ...27 1 power curve 2 specific fuel consumption curve 3 per hour fuel consumption curve Throttle Characteristics Figure 3...

Страница 15: ...28 1 power line 2 specific fuel consumption line 3 per hour fuel consumption line External Characteristics Figure 4...

Страница 16: ...f rating n 2900 r min 2 at nominal rating I n 2400 r min 3 at nominal rating II n 2050 r min 4 at cruise rating I n 1860 r min 5 at cruise rating II n 1730 r min Design Altitude Performance Characteri...

Страница 17: ...ON THE ENGIin 4 CUT OUT TWO MAGNETOJ SH ULTAHEOUSLY i ITH THE CARBURETOR THROTTLE OPEN FULLY ON THE OPERATING ENGINE 5 PERFORM FLIGHT 3 BEFORE DETECTION U TD ELIMINATION OF THE CAUS OF ILLUMINATION O...

Страница 18: ...sired one by simultaneously moving the carburetor throttle and speed governor control levers Do not set the airscrew to higher pitch before decreasing boost otherwise the crank mechanism of the engine...

Страница 19: ...46 Cover 47 Bearing 48 Gasket 49 Front Cover 50 Stud 51 Ring 52 Gasket 53 Crankcase 54 Oil Baffle 55 Crankshaft 56 Gasket 57 Gasket 58 Lock 59 Gasket 60 Carburetor 61 Strainer 62 Bolt 63 Gasket 64 Cyl...

Страница 20: ...shutters of the cowling and oil cooler fully open 2 2 5 In Flight engine Operation at Low Ambient Temperatures Engine ratings at take off climbing level flight and descent in winter are similar to tho...

Страница 21: ...henyl amine content 0 004 to 0 005 Content of water soluble acids and alkalis None Water and mechanical impurities None Copper plate test Withstands Transparency Transparent Color Green It is allowed...

Страница 22: ...ing gasoline Nefras S 50 170 as fuel Instead of gasoline B 70 and its substitutes at preservation and depreservation of the engine is PROHIBITED 2 LUBRICANTS The M 14P engines use oil MS 20 Specificat...

Страница 23: ...n at 100 C Saponification number Not less than 18 80 cSt Up to 95 Up to 0 1 mg KOH per 1 g of oil Up to 0 95 0 5 mg per 20 g of oil Not below 243 C Not above minus 12 C 0 85 Not less than 18 9 cSt Up...

Страница 24: ...ching rod covers For ignition harness nuts For oil pump reducing valve body For ignition harness detachable conductor union nuts spark plug elbow union nuts For compressor attachment nuts For installi...

Страница 25: ...tor speed governor and engine frame bolts For attachment nuts of compressed air distributor filter with chip detector and air pipe clamps For universal wrench 14 324 101 For hex nuts of 9 11 and 14 mm...

Страница 26: ...crewdriver Spark plug wrench 22 Wrench socket 9 Wrench socket 11 Wrench socket 14 For securing magneto carburetor and generator For checking clearance between valve stem and rocker roller For locking...

Страница 27: ...40 Arrangement of Airborne Tools in Case Figure 1...

Страница 28: ...7 Engine is too cold in winter 8 k eak storage battery 9 Priming system is in operative 10 Magneto breaker point gap is too small or too large Set throttle to position corresponding to 28 to 38 a 800...

Страница 29: ...in winter 1 Excessive spark advance 2 Incorrect setting of compressed air distributor 3 Engine is too hot Burnish and wash points with alcohol Open fuel shut off valve Drive out fuel chamber plug and...

Страница 30: ...tion block Replace defective wires Check attachment of elbows to apark Plugs Check spark plugs under pressure replace defective plugs If spark plugs are fouled check cylinder compression In case of co...

Страница 31: ...ocker rollers 1 Insufficient oil cooling in oil cooler low oil level in oil tank Adjust carburetor throttle by its stop screw to size D indicated in carburetor Certificate to accuracy of 1 5 mm Adjust...

Страница 32: ...aust gas blow by from exhaust manifold to cylinder heads Clean honeycombs of soil Heat oil cooler Check cleanliness of filter in oil sump rear cover attachment of oil pump to rear cover Remove cylinde...

Страница 33: ...ecting ignition Remove cylinders replace piston rings sentatives Check compression find defective piston remove cylinder If piston is scored and cylinder is oval replace piston and cylinder if piston...

Страница 34: ...en rocker roller and exhaust valve stem 1 Engine is overheated 2 Blow by of gases through piston rings 3 Degraded breathing of engine 4 Water in oil Adjust spark advance Ref 074 10 01 Task Card No 202...

Страница 35: ...MANIFOLDS 2 TURN THE AIRSCREW MANUALLY FOR 3 TO 4 TURNS IN ITS NORMAL TURNING DIRECTION ACCUMULATED OIL OR MIXTURE OF OIL AND FUEL SHOULD DRAIN FULLY FROM THE INTAKE PIPES EXHAUST MANIFOLD AND CYLINDE...

Страница 36: ...btaining Pilot s Complaints on Engine Troubles in Flight 211 Visual External Inspection of Engine and Leakage Check of Engine Assembly and Accessory Joints 212 Inspection and Check of Reliability of E...

Страница 37: ...and Its Control 235 Linkage Articulated Joints for Serviceability Check of Attachment of Magneto to Engine and Wires to 236 Magneto and Spark Plugs Check of Ignition Gable Braids for Condition 237 Ch...

Страница 38: ...53 Washing of Engine Oil Lines with Clean Unleaded Gasoline 254 Drainage of Oil from Generator Drive 255 Drainage of Oil from Magneto Drives 256 Replacement of Filtering Element in Fuel Fine Filter 8D...

Страница 39: ......

Страница 40: ...uments CAUTION DO NOT FILL MORE GASOLINE THAN SPECIFIED OTHERWISE IT CAN WASH DOWN OIL FROM THE CYLINDER WALLS AND CAUSE SCORING OF PISTONS WHILE ACCUMULATION OF GASOLINE IN LOWER CYLINDERS AND SUCTIO...

Страница 41: ...rse of starting as firing appears in the cylinders it is allowed to assist engine acceleration to steady RPM by moving to and fro the carburetor throttle control lever within the speed range of 28 to...

Страница 42: ...ed in Items 1 through 7 12 Set the throttle control lever to a position of 38 to 41 1100 to 1200 r min as soon as the engine starts operating steadily 13 Set the priming pump knob to neutral engage th...

Страница 43: ...ure is at least 120 C and engine inlet oil temperature is not below 40 C T R The engine is considered warm if the temperature of the heads of the coldest cylinders is not below 120 C and engine inlet...

Страница 44: ...57 Engine M 14P Test Run Chart Figure 201...

Страница 45: ...rol lever to set a speed of 64 to 70 1860 to 2050 r min having set the airscrew to the LOW PITCH stop 2 Cut out each magneto alternately for 15 to 20 s T R Speed drop should not exceed 3 85 r min when...

Страница 46: ...TCH position without touching the carburetor throttle control lever T R The speed should drop to 53 1550 r min 4 Shift the speed governor control lever back to the LOW PITCH position T R The rotationa...

Страница 47: ...ws 1 Lower the engine rating to IDLE by simultaneously shifting the throttle control lever to the IDLE position and the speed governor control lever to the LOW PITCH position 2 Shift the carburetor th...

Страница 48: ...eck operation of the engine at the IDLE rating with setting the airscrew in the LOW PITCH position T R The engine should run steadily NOTES 1 Do not run the engine idle for more than 5 min otherwise s...

Страница 49: ...RRECTIVE ACTIONS CHECKED BY Take Off Rotational Speed of Engine M 14P with Alracrew V530TA D35 on Airplanes on Groun d Versus Ambient Temperature at Atmospheric Pressure P 720 to 770 mm Hg Figure 202...

Страница 50: ...OT S CABIN IF THEY CANNOT BE COOLED DOWN TO 140 TO 150 C THE NUMBER OP SHUTDOWNS AT ELEVATED CYLINDER HEAD TEMPERATURES SHOULD BE INDICATED IN THE ENGINE LOG BOOK 2 IT IS PROHIBITED TO RUN THE ENGINE...

Страница 51: ...NEVER SHUT DOWN THE ENGINE BY CLOSING THE FUEL SHUT OFF VALVE WITH CONSUMING FUEL FROM THE CARBURETOR TO AVOID BACK FIRE AND FIRE OF THE AIRPLANE 5 After shutting down the engine shift the carburetor...

Страница 52: ...ntire surface of the tank and has a hole for the filler 2 Wrap the covers at points of passing of the heater pipes with heat insulation material 3 Insulate rubberized fabric hoses flexible hoses elect...

Страница 53: ...ES 1 If oil trapping is detected replace the pipes where pockets are formed 2 Check drainage of oil from the oil cooler TEST EQUIPMENT TOOLS AND FIXTURES MATERIALS Needle Threads coarse flax No 105x6...

Страница 54: ...he time of dilution T R Oil pressure during dilution should drop for not more than 1 0 kgf cm from the specified value NOTES 1 The time of opening of the solenoid valve is determined depending on the...

Страница 55: ...ORRECTIVE ACTIONS CHECKED BY NOTE Perform dilution at the end of the flying day or in case of engine dead periods when engine oil may cool down below 5 C 7 Shut down the engine Ref Task Card No 203 TE...

Страница 56: ...below 25 C 2 Gradually increase rotational speed to 51 1500 r min and see to it that the oil pressure in the main line is 4 to 6 kgf cm NOTE If oil pressure drops below 1 0 kgf cm owing to excessive...

Страница 57: ...haft for 3 to 4 turns in its normal direction NOTES 1 The airscrew shaft should turn easily while oil in the oil tank is regarded heated if it flows down freely from the dipstick 2 At ambient temperat...

Страница 58: ...ITEM procedure Engine Starting OPERATIONS AND TECHNICAL REQUIREMENTS CORRECTIVE ACTIONS CH ECKED BY Start as indicated in Task Card No 201 the engine preheated according to Item 1 Task Card No 207 TES...

Страница 59: ...No 202 NOTE To ensure appropriate mixing and preclude icing of carburetor venture the carburetor inlet air temperature should not be less than 10 C 2 Close the cowling and oil cooler shutters to speed...

Страница 60: ...hut down the engine Ref Task Card No 203 3 Drain oil from the airplane and engine oil system if oil was not diluted with gasoline and ambient temperature is 5 C and less NOTES 1 Drain oil at an oil te...

Страница 61: ...mplaints on Engine Troubles in Plight OPERATIONS AND TECHNICAL REQUIREMENTS CORRECTIVE ACTIONS CH ECKED BY 1 Listen to pilot s complaints on engine troubles encountered in flight 2 Enter the informati...

Страница 62: ...ttachment are not allowed NOTE Tighten nuts for attachment of the gearbox to the intermediate crankcase by torque wrench 14 024 260 with socket 14 324 06 Tightening torque Mt 1 5 0 3 kgf m At location...

Страница 63: ...ck reliable attachment of the engine to its frame 4 Inspect the units for attachment of the engine frame to the fuselage 5 Inspect the frame bars and ring 6 Make sure they are free from deformation or...

Страница 64: ...D BY Clean the engine of dust dirt runs of oil and fuel T R Soiling of the engine is not allowed CAUTION CLEAN THE ENGINE AFTER COOLING IT DOWN If soiling is detected wash engine with clean gasoline a...

Страница 65: ...at are free from metal particles T R Presence of metal particles on the funnel mesh and filter with chip detector cannot be tolerated 2 Wash the filter with chip detector and funnel with clean gasolin...

Страница 66: ...ERATIONS AND TECHNICAL REQUIREMENTS CORRECTIVE ACTIONS CHECKE D BY TEST EQUIPMENT TOOLS AND FIXTURES MATERIALS Wrench 7x9 700880 2 Wrench 9x11 700002 Funnel fine mesh Gasoline Nefras S 50 170 or BR 1...

Страница 67: ...80...

Страница 68: ...the parking ground 2 Listen to engine operation before shutdown Make sure the engine does not miss there are no pops in suction and exhaust systems T R Missing and pops are not allowed 3 Test run the...

Страница 69: ...00 00h PROCEDURE Dilution of Oil with Gasoline OPERATIONS AND TECHNICAL REQUIREMENTS CORRECTIVE ACTIONS CHECKED BY Dilute oil with gasoline if ambient temperature drops below 5 C Ref Task Card No 205...

Страница 70: ...IONS AND TECHNICAL REQUIREMENTS CORRECTIVE ACTIONS CH ECKED BY 1 Eliminate defects detected in flight and in the course of inspection 2 Cover the engine as follows 1 Put folded cover on the engine and...

Страница 71: ...externally to make sure it is free from defects plays in the roller damaged locking T R Damage plays broken locking cannot be allowed 1 Replace damaged governor Ref 061 20 01 Task Cards Nos 201 throu...

Страница 72: ...ernor location T R Oil leakage is not allowed 2 Check attachment of the governor control roller T R Loose attachment of the roller is not allowed Roller attachment nut locking should be intact 3 Check...

Страница 73: ...engine cylinders 3 Make sure gases do not escape through the seals there are no traces of overheating or cracks on the exhaust manifold T R Overheating warpage of fins and gas blow by are not allowed...

Страница 74: ...e not allowed 2 Make sure the drain plugs of the intake pipes of cylinders Nos 4 5 6 are reliably installed and locked T R Damaged locking loosening of drain plugs are not allowed Leakage of fuel thro...

Страница 75: ...NTS CORRECTIVE ACTIONS CH ECKED BY Check the engine deflectors for condition and reliable attachment T R The deflectors should be fully tightened Deflector damage dents and cracks are not allowed Tigh...

Страница 76: ...rs for condition T R Damage is not allowed Leakage of oil from under the covers is not allowed 2 Check the valve mechanism cage cover attachment cables for condition T R Damage of cable is not allowed...

Страница 77: ...s locking of nuts and drain plugs T R Leakage of pipeline and hose joints is not allowed Chafing of hoses and pipelines is not allowed Joints should be reliably locked 2 Check cleanliness of the oil t...

Страница 78: ...NS AND TECHNICAL REQUIREMENTS CORRECTIVE ACTIONS CH ECKED BY 1 Remove the rubber cap from the filter terminal 2 Close the filter terminal to ground by pressing it to the oil sump T R Warning lamp on t...

Страница 79: ...IONS CH ECKED BY Check condition and locking of the fuel lines hoses connections and plugs T R Fuel hoses and lines should be intact Connections and plugs should be reliably tightened and locked Repla...

Страница 80: ...to 0 5 kgf cm with a priming pump 2 Inspect the pipelines and hoses make sure there are no leaks and the joints are reliably tightened 3 Inspect the fuel system units their connections and make sure...

Страница 81: ...line for leakage at joints of connections pipes filters and fuel pressure measuring pipe and at locations of drain plug and jet plug seals T R Leaky joints are not allowed 4 Inspect atomizing pipe of...

Страница 82: ...IREMENTS CORRECTIVE ACTIONS CH ECKED BY Check the pipeline and unit joints of the fuel system visually for leakage T R Leakage or sweating of fuel through the joints is not allowed Eliminate leakage o...

Страница 83: ...k Card No 203 3 Inspect joints of fuel system pipelines and units T R No fuel leakage is allowed 4 Inspect the carburetor drain plugs jet plugs T R Traces of sweating and leakage of fuel are not allow...

Страница 84: ...CH ECKED BY Check reliable attachment of fuel lines excluding their contact with other parts of the engine T R Contact between the fuel lines and other parts is not allowed Chafing of fuel lines is no...

Страница 85: ...ACTIONS CH ECKED BY Inspect the fuel pump attachment place make sure its attachment and locking are in good repair T R Loosened attachment and locking are not allowed Tighten attachment nuts and lock...

Страница 86: ...CORRECTIVE ACTIONS CH ECKED BY Make sure there is no leakage through the joints of the fine fuel filter T R Fuel leakage or sweating are not allowed Tighten filter attachment nuts TEST EQUIPMENT TOOLS...

Страница 87: ...Check attachment of the magneto to the engine wires to the magneto and spark plugs T R Loosening of magneto attachment is not allowed Loosening of attachment of wires to the magneto and spark plugs is...

Страница 88: ...ndition OPERATIONS AND TECHNICAL REQUIREMENTS CORRECTIVE ACTIONS CH ECKED BY Make sure the ignition cable shielding is not chafed or damaged T R Chafing of and damage to cable shielding are not allowe...

Страница 89: ...ing of ignition harness paying special attention to the contacts with the other parts and gaps between the harness and cylinder cooling fins T R Harness touching the cylinder fins is not allowed Turn...

Страница 90: ...No 202 19 Connect the elbows to the front spark plugs Ref 074 20 02 Task Card No 202 If the cables sag lift the wing nut upwards to the stop unscrew it to obtain required tension of the cable and lowe...

Страница 91: ...ocedure 1 Undo the elbows from the spark plugs to be checked Ref 074 20 02 Task Card No 201 2 Check spark plug tightening with the help of a wrench T R The spark plugs should be reliably tightened 2 I...

Страница 92: ...ORRECTIVE ACTIONS CH ECKED BY Check reliable attachment and locking of the air line joints drain cocks and plugs T R Chafing and traces of leakage are not allowed Replace chafed pipeline Eliminate lea...

Страница 93: ...ributor pipes and connections for supply and discharge of compressed air T R The compressed air distributor should be reliably attached Compressed air supply and discharge pipes and connections should...

Страница 94: ...for good repair o T R The bottle air pressure should be at least 50 kgf cm 2 Check the compressor attachment T R The compressor should be properly attached 1 Wash compressor filter Ref Task Card No 2...

Страница 95: ...ake sure the valves and pipes are free from traces of overheating T R The starting valves should be reliably attached Traces of overheating on the starting valves and pipes are not allowed Secure star...

Страница 96: ...oil from the engine to a special vessel 3 Unlock and open the oil tank drain cock NOTE At an ambient temperature of 5 C and below heat the engine and oil tank to facilitate oil draining 4 Close and l...

Страница 97: ...ons OPERATIONS AND TECHNICAL REQUIREMENTS CORRECTIVE ACTIONS CH ECKED BY 1 After accomplishment of scheduled maintenance start and warm up the engine Ref Task Card No 201 2 Test run the engine Ref Tas...

Страница 98: ...anually the roller on the rocker axle for smooth rotation T R The rollers should rotate smoothly without jamming 6 Check tightening of washers of the valve rocker needle bearings by turning the washer...

Страница 99: ...normal direction 6 Set the piston to the compression stroke TDC in cylinder Mo 1 NOTE With such a position of the piston in cylinder No 1 both valves should be closed and the rockers should move easil...

Страница 100: ...MENT SCREWS LOOSENING OF LOCKING WILL INCREASE THE CLEARANCES WHICH MAY CAUSE FAILURE OF THE TIMING MECHANISM PARTS 2 WHEN UNDOING AND TIGHTENING THE ROCKER ADJUSTMENT SCREW NUT WITH THE VALVE IN THE...

Страница 101: ...pressure gauge readings T R If compression is normal the pressure gauge should read 3 5 to 5 kgf cm2 NOTE Check compression on a warm engine at a cylinder head temperature of 40 to 60 C 5 Repeat opera...

Страница 102: ...ion by external inspection T R Damage to the filter is not allowed 4 Make sure oil is free from metal particles T R Presence of metal particles in oil is not allowed 5 Wash the filter in clean gasolin...

Страница 103: ...TECHNICAL REQUIREMENTS CORRECTIVE ACTIONS CH ECKED BY TEST EQUIPMENT TOOLS AND FIXTURES MATERIALS Pliers flat nosed 150 Wrench socket 36 14 24 620 Gasoline Nefras S 50 170 or BR 1 BR 2 Air compressed...

Страница 104: ...tor to make sure it is free from metallic particles T R Metallic particles on the filter are not allowed 6 Wash the filter with chip detector with clean unleaded gasoline and then in a special solutio...

Страница 105: ...rt and test run the engine Ref Task Card No 201 13 Check the filter with chip detector joints for leakage T R Oil leakage is not allowed Eliminate oil leakage TEST EQUIPMENT TOOLS AND FIXTURES MATERIA...

Страница 106: ...wed 3 Wash the filter in clean gasoline and blow with dry compressed air 4 Screw on and lock the filter 5 Start and test run the engine Ref Task Card No 201 6 Check filter joints for leakage T R Leaka...

Страница 107: ...ke sure it is free from metallic particles T R Metallic particles in oil are not allowed 3 Wash the filter in clean gasoline and blow with dry compressed air 4 Screw on and lock the filter Detect and...

Страница 108: ...ilter with chip detector with clean unleaded gasoline 4 Connect the terminal to the filter interconnect the plate set arid close the filter mesh to ground T R The warning lamp on the panel should come...

Страница 109: ...ply and return oil hoses from the engine oil pump 3 Wash the oil lines oil tank and oil cooler after draining oil with clean unleaded gasoline 4 Connect the oil hoses to the oil pump and lock them 5 P...

Страница 110: ...ive body 2 Drain oil from the drive 3 Reinstall and lock the plug NOTE Drain oil from the generator drive on a warm engine 4 Start and test run the engine Ref Task Card No 201 5 Inspect the plug locat...

Страница 111: ...ar cover near the magneto drives Drain oil Reinstall and lock the plugs 4 Start and test run the engine 5 Check the plugs for leakage T R Oil leakage is not allowed NOTE Drain oil from the magneto dri...

Страница 112: ...ilter Ref 073 10 02 Fig 1 3 Remove filtering element 3 from the filter body protecting it against knocks 4 Wash the filter body interior with working fluid 5 Depreserve Ref 073 10 02 Task Card No 201...

Страница 113: ...t washing The time of filtering element filling with gasoline Nefras S 50 170 or BR 1 BR 2 is not above 3 s as against instrument PKP TEST EQUIPMENT TOOLS AND FIXTURES MATERIALS Instrument PKF Bath St...

Страница 114: ...ut off valve 2 Unlock and undo the carburetor fuel filter 3 Wash the filter in clean gaaoline 4 Blow the filter with dry compressed air 5 Install and lock the carburetor fuel filter 6 Check the fuel s...

Страница 115: ...clean gasoline and blow it with dry compressed air 5 Install and lock the fuel filter 6 Unlock and undo the carburetor air filter Ref 073 10 03 Fig 202 7 Wash the filter in clean gasoline and blow it...

Страница 116: ...the breathing holes in the aneroid space and acceleration pump Ref 073 10 03 Fig 202 19 Check breathing hole cleanliness T R Clogging of the breathing holes is not allowed 20 Tighten and lock the bre...

Страница 117: ...ED BY TEST EQUIPMENT TOOLS AND FIXTURES MATERIALS Pliers flat nosed 150 Wrench 14x17 14 232 03 Wrench 19x22 700880 7 Screwdriver Syringe UB 24 05 Wrench 11x14 14 24 861 Template Wrench 7x9 700880 2 Ga...

Страница 118: ...ker screw joints should be reliably tightened 2 Check rotation of the breaker mechanism arm on its pivot T R The arm should rotate smoothly without jamming 3 Measure the breaker contacts gap Ref 074 1...

Страница 119: ...Check the carbon knob with spring for condition T R Contact spring should be free from damage Soiling of the distributor and rotor is not allowed 10 Check high tension leads and terminals in the uppe...

Страница 120: ...he cam T R Stripping of thread on attachment screws is not allowed 13 Inspect the cam T R Soiling of the cam surface is not allowed 14 Apply a thin layer of turbine oil T22 to the working surface of t...

Страница 121: ...r electrode space of carbon deposit and lead fouling on sandblasting device OSP 1 of tester Iskra according to the tester Operating Instructions 4 After sandblasting the spark plug center electrode sp...

Страница 122: ...HERWISE DAMAGE TO THE CENTRAL ELECTRODE OR CERAMIC INSULATOR NOSE MAY RESULT 9 Install the tested spark plugs on the engine Ref 074 20 02 Task Card No 202 NOTE The spark plugs removed from the engine...

Страница 123: ...CORRECTIVE ACTIONS CHECKED BY 1 Check compressor attachment T R The compressor should be reliably attached 2 Drain condensate from the air system filter sump blow the pipe in cold weather Tighten com...

Страница 124: ...h of the compressor 3 Wash all the removed parts in clean unleaded gasoline 4 Dry the parts with dry compressed air 5 Reinstall the meshes and new filtering element taken from the SPTA set 6 Lock the...

Страница 125: ...L REQUIREMENTS CORRECTIVE ACTIONS CHECKED BY 1 Carry out operations under Task Card No 263 Items 1 through 4 2 Push the compressor inlet valve with hand NOTE The inlet valve should move freely without...

Страница 126: ...y valve 2 Disassemble the valve and clean the valve parts of coking products Wash with gasoline and blow with dry compressed air 3 Assemble the valve and reinstall it Install new gaskets AK 05001 AK 0...

Страница 127: ...REMOVAL INSTALLATION 1 LIST OF TASK CARDS Title Task Card No 401 402 403 404 Unpackaging of New Engine Depreservation of Engine under Field Conditions Removal of Engine from Airplane Installation of E...

Страница 128: ...dowel pins which secure the cover to the bottom CAUTION WHEN REMOVING THE COVER TAKE CARE NOT TO DAMAGE THE ENGINE 4 Remove the cover from the engine by engaging the hooks with the crane cables 5 Remo...

Страница 129: ...lier 10 Undo three lower bolts which secure the struts to the container 11 Connect the lifting mechanism cable to the shackle installed on the airscrew shaft NOTES 1 Attach the slings according to the...

Страница 130: ...CTIONS CH ECKED BY Engine Slinging Diagram Figure 401 TEST EQUIPMENT TOOLS AND FIXTURES MATERIALS Cable Crane or hoist at least 500 kg in capacity Hammer 700016 Pliers flat nosed 150 Wrench 19x22 7008...

Страница 131: ...er or in a cold room the engine should be warmed up to a temperature of 40 C and be kept at this temperature for at least one hour 3 Remove the plug from the tachometer generator drive 4 Wash the driv...

Страница 132: ...alve the lock meah filtering element and the second mesh 12 Drain preservation grease from the lower cylinders valve mechanism cases of cylinders Nos 3 through 8 from the engine crankcase and de prese...

Страница 133: ...rive plug and drain remaining grease Ref Task Card No 256 23 Install the generator on the engine Ref 024 30 01 Task Card No 201 24 Install the air compressor filtering element meahes and spring 25 Ins...

Страница 134: ...fras S 50 170 or BR 1 BR 2 33 Make an entry on depreservation and indicate the depreservation date in the engine Log Book and in the accessory Certificates TEST EQUIPMENT TOOLS AND FIXTURES MATERIALS...

Страница 135: ...plugs TEST EQUIPMENT TOOLS AND FIXTURES MATERIALS Syringe UB 24 05 Wrench 14x17 14 232 03 Pliers flat nosed 150 Screwdriver 700345 A150x0 5 Crane Hoist Tray for oil draining Wrench 27x30 7811 0041 Wre...

Страница 136: ...generously coat the exhaust valve stems and seats with grease K 17 3 Remove the airscrew from its shaft Ref airscrew Operating Instructions 4 Install the protective shackle on the airscrew shaft 5 Rem...

Страница 137: ...ckle and two upper points of the engine frame Ref Fig 401 15 Lift the engine so as to relieve studs 5 Ref Fig 402 of engine frame ring 4 16 Unlock and undo nuts 2 of the engine frame ring studs 17 Dri...

Страница 138: ...151 1 Shock Absorbing Stack Washer 2 Hut 3 Washer 4 Engine Frame Ring 5 Stud Engine Frame Installation Diagram Figure 402...

Страница 139: ...MATERIALS Crane Hoist Tray for oil draining Shackle engine mounting Syringe UB 24 05 Wrench 14x17 14 232 03 Pliers flat nosed 150 Screwdriver 700345 A150x0 5 Wrench 27x30 7811 0041 Wrench 24x27 700880...

Страница 140: ...ws 1 Unlock and undo aix nuts 2 Ref Pig 402 for attachment of three shipping brackets installed on the ring of the engine frame 2 Remove the shipping brackets with braces 3 Install six washers 1 and 3...

Страница 141: ...2 series 04 speed governor 2 Install the airscrew pitch control brackets on the studs place spring washers install and tighten the attachment nuts of the gearbox and R 2 series 04 speed governor NOTE...

Страница 142: ...ll the tachometer generator 15 Install the temperature pickup for measuring the engine inlet oil temperature 16 Connect wires to the generator 17 Cut in the filter with chip detector to the electric c...

Страница 143: ...ask Card No 201 29 Run the engine at a speed of 24 to 44 for 10 to 15 min till the engine inlet oil temperature rises to at least 40 C 30 Shut down the engine Ref Task Card No 203 31 Drain oil from th...

Страница 144: ...plugs TEST EQUIPMENT TOOLS AND FIXTURES MATERIALS Syringe UB 24 05 Wrench 14x17 14 232 03 Pliers flat nosed 150 Screwdriver 700345 A150x0 5 Crane Hoist Tray for oil draining Wrench 27x30 7811 0041 Wre...

Страница 145: ...0 Shell Otina compound Shell Ensis compound 1100 M1L L 6082B 1955 AN W 576 Engine M 14P is delivered in a wooden container comprising a bottom and a detachable cover The overall dimensions of the pack...

Страница 146: ...70 to 100 g of clean dehydrated oil MS 20 heated to a temperature of 60 to 80 C or 70 to 100 g of preservation oil K 17 heated to a temperature of 40 C into each cylinder through the spark plug holes...

Страница 147: ...erve the carburetor Ref 073 10 03 Task No 202 When depreserving the engine crank it to fully remove preservation grease from the compressor interior d Wipe the engine externally dry with a cloth moist...

Страница 148: ...ayer 77MR 1 preservation tanks 77BK 1 engine oil flushing unit 77PD 1 are available at the User s it is recommended to preserve the engine with the aid of this equipment in accordance with the Instruc...

Страница 149: ...ge heads of screws and bolts securing pole shoes and terminals with oil K 17 avoiding getting of lubricant inside the generator d Wrap the generator in paraffined paper and pack in a separate box 18 R...

Страница 150: ...f preservation in the engine Log Book and accessory Certificate 24 Install and secure the individual SPTA set box and airborne tool case on the bottom of the packaging box 25 Insert the engine Log Boo...

Страница 151: ...EMENTS FOR STOREROOMS Storeroom for the engine accessories and spares should be dry ventilated and heated The room air temperature should be from 10 to 30 C relative humidity from 45 to 70 Sharp fluct...

Страница 152: ...or the engine and spares kept in the storeroom The storeroom should have a special Register for recording the procedure and terms of inspection of the engine and spares Besides each unit should have a...

Страница 153: ...lasks The vessels intended to carry greases and oils should be absolutely clean and dry To avoid ingress of water and foreign admixtures the vessels should be tightly closed and sealed Paraffined pape...

Страница 154: ...ntainers 13 FORMALIZING OF TECHNICAL DOCUMENTS IN STORAGE Enter the following information in the Log Books of engines and accessories and in the inspection Register for spares and accessories without...

Страница 155: ...e in the middle inner part of the housing are bores and a flange with bosses for mounting and securing hub 12 of the gearbox sun gear Screwed into each boss is a steel threaded bushing with left hand...

Страница 156: ...the airscrew shaft hollow with the rear annular space of oil sealing ring bushing 11 The oil supply holes of the plug and airscrew shaft are aligned by the match marks Three set screws extending thro...

Страница 157: ...ven into the threaded hole of the gearbox housing and safetied with a plate lock A thin layer of babbit is applied to the inner working surface of the bushing Thrust ring 9 is made of steel and has fo...

Страница 158: ...Oil Sealing Ring Bushing 12 Sun Gear Hub 13 Bolt 14 Screw 15 Satellite 16 Satellite Pivot 17 Drive Gear Ring 18 Retaining Ring 19 Drive Gear Ring Hub 20 Nut 21 Screw 22 Bushing 23 Oil Line Filter 24...

Страница 159: ...sun gear is a disk with internal involute splines Fifteen holes uniformly spaced around the hub flange are designed to receive bolts 13 tor attachment of the hub to the crankcaae front and smaller ad...

Страница 160: ...made at the spline ends on the solid wall side and the wall is provided with six oil passages to supply oil to the needle roller bearings of the satellites To secure locking strips of the satellite pi...

Страница 161: ...ver 4 Ball Bearing 5 Bushing 6 Intermediate Timing Shaft 7 Adjustment Washer 8 Speed Governor Drive Bevel Gear 9 Lock 10 Woodruff Key 11 Nut 12 Speed Governor Driven Gear 13 Bushing of Thrust Ball Bea...

Страница 162: ...energy of the airscrew Besides it causes piston travel during non working strokes and actuates the timing mechanism blower and accessories mounted on the engine 2 CONSTRUCTION The front cover Ref Pig...

Страница 163: ...176 Crankshaft Thrust Ball Bearing Front Cover Figure 1 Intermediate Crankcase Figure 2...

Страница 164: ...nders The intermediate crankcase has a front flange with studs for mounting the front cover and the gearbox housing and a rear flange with studs for attachment of the mixture collector and two lower f...

Страница 165: ...ushing for scavenging oil from the oil sump to the oil tank The oil sump attachment flange has a hole for draining oil from the crankcase and another hole for scavenging oil from the oil sump The inte...

Страница 166: ...179 Intermediate Grankcase Front Portion Figure 3 Intermediate Crankcase Rear Portion Figure 4...

Страница 167: ...ing Bolt 15 Plug 16 Crankshaft Rear Section 17 Nut 18 Cotter Pin 19 Cotter Pin 20 Nut 21 Rear Main Roller Bearing 22 Crankshaft Rear Section Web Bushing 23 Bolt 24 Thrust Strip 25 Cotter Pin 26 Rear C...

Страница 168: ...plated to preclude cold hardening 2 4 CONMECTING ROD ASSEMBLY Connecting rod assembly Ref Fig 6 of the M 14P engine comprises one master connecting rod 1 and eight articulated connecting rods 5 which...

Страница 169: ...s of the master connecting rod side plates The strips are secured by screws 11 which are safetied with plate locks 10 1 Master Connecting Rod 2 Master Connecting Rod Small End Bushing 3 Articulated Co...

Страница 170: ...or because of incomplete depreservation 2 Engine is underwarmed in winter Drive out one lower spark plug from each of cylinders Nos 4 5 6 and drain plugs from intake pipes of these cylinders and plugs...

Страница 171: ...d on the outer top side of the sleeve have drilled holes where bronze guide bushings of the valves are press fitted The bushings are arranged at an angle of 75 symmetrically to the axis of the cylinde...

Страница 172: ...rents while the mushroom type head and a part of the stem except the land are subjected to anti corrosive chemical nickel plating and heat treatment The inlet valve is pressed to the seat by two helic...

Страница 173: ...186 Front view Cylinder Figure 1 Rear view...

Страница 174: ...187 1 Inlet Valve 2 Outer Spring 3 Inner Spring 4 Split Retainer 5 Valve Plate Inlet Valve Figure 2...

Страница 175: ...188 1 Exhaust Valve 2 Sealing Ring 3 Bushing 4 Inner Spring 5 Guide Bushing 6 Satellite Facing 7 Metallic Sodium 8 Washer 9 Spacing Washer Sealing and Scraping Device of Exhaust Valve Figure 3...

Страница 176: ...sealed with a rubber ring Welded to the intake pipes of lower cylinders Hbs 4 5 and 6 are threaded bosses for plugs intended to drain oil or gasoline from the pipes to preclude hydraulic shock 2 3 PIS...

Страница 177: ...190 2 4 TIMING MECHANISM The timing mechanism ensures periodic admission of fuel air mixture into the engine cylinders and exhaust of combustion products to the atmosphere...

Страница 178: ...191 Intake Pipe of Cylinders Nos 4 5 and 6 Figure 4 Piston Piston Rings and Piston Pin with Plugs Figure 5...

Страница 179: ...n the inner surface of the cam plate is an internal gear rim meshing with the gear rim of the intermediate timing shuft The cam plate drive Ref Pig 8 comprises drive timing gear 1 intermediate gear 7...

Страница 180: ...193 Timing Mechanism Schematic Diagram Figure 6 Cam Plate Figure 7...

Страница 181: ...ear 2 Spacer 3 Cam Plate 4 Intermediate Timing Shaft 5 Key 6 Rear Ball Bearing 7 Intermediate Timing Gear 8 Ball Bearing Bushing 9 Front Ball Bearing 10 Adjustment Washer 11 Speed Governor Drive Gear...

Страница 182: ...its bored ends Spherical ends of the push rods enter respective recesses of the rocker adjustment screw and the tappet Each push rod is arranged in casing 4 The push rod casing is a thin walled alumin...

Страница 183: ...ce 3 Tappet Guide Bushing 4 Tappet 5 Roller 6 Roller Bushing 7 Roller Pivot Set of Tappet Figure 9 1 Push Rod 2 Rubberized Fabric Hose 3 Clamp 4 Push Rod Casing 5 Union Nut 6 Thrust Ring Push Rod and...

Страница 184: ...ller 3 Roller Pivot 4 Needle Roller Bearing Bushing 5 Ring 6 Adjustment Screw 7 Lock Nut 8 Needle Roller 9 Needle Roller Bearing Washer 10 Rocker Axle 11 Rocker Axle Nut 12 Washer 13 Washer Valve Rock...

Страница 185: ...and nine upper head deflectors 5 The deflectors are stamped of sheet aluminium The upper deflectors are secured to each cylinder head by two studs and nuts They have holes with rubber grommets for pas...

Страница 186: ...1 Inter Cylinder Deflector 2 Rubber Stop 3 Lock 4 Rubber Stop Cylinder Deflectors Figure 12 Engine Cooling Diagram Figure 13 5 Upper Deflector 6 Clamp 7 Spring 8 Nut...

Страница 187: ...spark plugs or starting valves 3 Sticking wear or break age of piston rings 4 Burn through of valve Check clearances between rocker rol ler and valve stem adjust them Ref 072 00 00 Task Card No 247 l...

Страница 188: ...passages defined by the impeller blades and mixture collector wall from the center to periphery and then to the diffuser 2 CONSTRUCTION The blower comprises mixture collector 1 Ref Pig 1 diffuser 24 i...

Страница 189: ...Blower Longitudinal Section View Figure 1...

Страница 190: ...he diffuser of the blower and rear cover are attached to the rear flange of the mixture collector by ten studs 2 2 DIPPUSER The blower diffuser Ref Fig 3 is cast of aluminium alloy has front and rear...

Страница 191: ...Rear view Mixture Collector Figure 2 Diffuser Figure 3...

Страница 192: ...haft The Impeller is anodized for protection against corrosion Impeller shaft 33 is a hollow cemented steel part having an integral gear rim at the rear The shaft outer surface features a cylindrical...

Страница 193: ...enter the rear main journal of the crankshaft and is aligned on the latter by the locating band with sealing the oil gallery joint Adjustment ring 10 disposed between the coupling front end and retain...

Страница 194: ...1 Plate 2 Spring 3 Plate 4 Gear 5 Accessory Drive Shaft Blower Coupling Figure 4...

Страница 195: ...ransmitted to the blower drive the springs compress and the gear turns relative to the drive shaft through a certain angle precluding high impact loads on the blower drive parts hence their breakage T...

Страница 196: ...friction surfaces of the engine are lubricated under pressure and by splashing of oil Oil under pressure is fed to all main friction surfaces through internal passages The cylinder walls pistons antif...

Страница 197: ...mperature and Pressure Gauge 5 Oil Filter 6 Oil Pump 7 Oil Pump Delivery Section 8 Dilution Cock 9 Oil Sump 10 Pilfer with Chip Detector 11 Speed Governor Oil Pump Breathing Connection Pipeline Engine...

Страница 198: ...pace of the crankshaft front section end Two oil intake pipes installed in the crankpin space and serving as an oil cleaning centrifuge supply clean oil to the crank mechanism parts During rotation of...

Страница 199: ...the intermediate crankcase mixture collector and rear cover also flows to the oil sump The oil is sucked through the filter with chip detector located in the lower front part of the oil sump passages...

Страница 200: ...gland and other parts The pump housing assembly is a magnesium casting comprising scavenging section housing 9 Ref Fig 2 delivery section housing 4 upper cover 14 and lower cover 2 The scavenging sect...

Страница 201: ...6 Delivery Section Gear 7 Rear Cover Attachment Stud 8 Rear Cover 9 Scavenging Section Housing 10 Scavenging Section Gear 11 Key 12 Scavenging Section Gear 13 Rear Cover Vertical Shaft 14 Upper Cover...

Страница 202: ...xcessive oil to the delivery section inlet thus maintaining constant pressure of oil in the oil system during normal operation of the engine The check valve comprises a body a valve a guide and a spri...

Страница 203: ...l washer 5 The entire stack is secured on the stem by nut 4 The contact stem carries end piece 1 Plate stack 9 comprises seventeen brass plates separated from each other by cardboard insulation segmen...

Страница 204: ...Oil Sump Figure 4...

Страница 205: ...1 End Piece 2 Contact Stem 3 Insulation Bushing 4 Nut 5 Washer 6 Bushing 7 Body 8 Ring 9 Plate Stack 10 Filter 11 Oil Drain Cock...

Страница 206: ...72 00 00 Task Card No 249 Remove and disassemble oil pump reducing valve as follows Unlock and undo cap of adjustment screw Ref Pig 3 blacken adjustment screw look nut Drive out adjustment screw with...

Страница 207: ...LUBRICATION MAINTENANCE PRACTICES 1 LIST OF TASK CARDS Task Card Title Task Card No Removal 201 Depreservation of New Oil Pump 202 Installation 203 Adjustment of Oil Pressure 204...

Страница 208: ...ine 5 Remove the sealing gasket 60 Disconnect the fuel pump from the oil pump using the following procedure 1 Undo four nuts securing the fuel pump to the oil pump 2 Disconnect the fuel pump 3 Remove...

Страница 209: ...UIREMENTS CORRECTIVE ACTIONS CH ECKED BY TEST EQUIPMENT TOOLS AND FIXTURES MATERIALS Tray for draining oil Hose Pliers flat noaed 150 V rench 11x14 14 24 861 Wrench 9x11 700002 Wrench 24x27 700880 8 W...

Страница 210: ...remove preservation grease immerse the oil pump into a bath with clean oil MS 20 heated to a temperature of 75 to 85 G and while rotating the drive splined shaft leftwards by hand wash the spaces of t...

Страница 211: ...l pump shaft 4 Install the oil pump on the crankcase rear cover so that the pump drive shaft enters the splined joint of the vortical shaft of the drive Install the oil pump in its seat T R Jamming of...

Страница 212: ...0 Task Card No 201 and adjust oil pressure Ref Task Card No 204 NOTE The oil pump is installed by the Supplier TEST EQUIPMENT TOOLS AND FIXTURES MATERIALS Pliers flat nosed 150 Wrench 11x14 14 24 861...

Страница 213: ...obtain the required pressure To increase the pressure turn the screw clockwise holding the lock nut against turning with a wrench to decrease the pressure turn the screw counterclockwise To change oil...

Страница 214: ...D TECHNICAL REQUIREMENTS CORRECTIVE ACTIONS CHECKE D BY TEST EQUIPMENT TOOLS AND FIXTURES MATERIALS Pliers flat nosed 150 Screwdriver 700346 A200x1 Wrench 27x30 7811 0041 Wrench 24x27 700880 8 Wire lo...

Страница 215: ...drive Yu Zh I K 0 125 LH Blower impeller drive M Sch Z L 8 160 LH Magneto drive P N N 1 125 LH Generator drive P 0 2 5 LH Compressor drive P S U T 0 9 RH Oil pump drive P S 1 125 LH Fuel pump drive P...

Страница 216: ...Engine M 14P Gear Train Figure 1...

Страница 217: ...ometer generator and compressed air distributor drives LH side Two bosses with bushings are provided at the bottom of the rear cover coaxially with its vertical center line The lower bushing is remova...

Страница 218: ...r outer bevel rim meshes with bevel gears 28 of the magneto drives and vertical shaft 18 The external splines of the drive gear shank mount friction coupling 22 of the generator drive and drive gear r...

Страница 219: ...g with the splines of the oil pump drive shaft The shank is provided with a hole and flat to supply oil to the bushing The fuel pump is driven from the oil pump drive shaft whose shank is connected wi...

Страница 220: ...gular lugs to transmit rotation to the magneto rotor through rubber couplings 2 6 TACHOMETER GENERATOR AND COMPRESSED AIR DISTRIBUTOR DRIVE The tachometer generator and compressed air distributor driv...

Страница 221: ...Compressor Drive Housing 9 Half Coupling 10 Pin 11 Compressor Drive Gear 12 Tachometer Generator Bevel Drive Gear 13 Crankcaae Rear Cover 14 Generator Drive Housing 15 Bushing 16 Rear Cover Drive Gear...

Страница 222: ...protects the rear cover drive parts against breakage in case of compressor wedging The pin coupling comprises gear 11 two half couplings 9 interconnected by steel pins 10 Bevel gear 11 meshes with th...

Страница 223: ...ed troubles and their remedies refer to the Table given below Trouble Possible cause Correction Oil leaks through vents or along magneto attachment flange Oil accumulated in magneto drive Unlock drain...

Страница 224: ...ratings and not below than 0 15 kgf cm at a minimum rotational speed The fuel pump is attached to the lower flange of the oil pump housing by four studs The pump rotor is driven through a square shan...

Страница 225: ...mp speed of rotation Maximum permissible for 30 s 3000 r min Minimum at which continuous jet is ensured 200 r min Nominal 2200 r min Fuel line inlet and outlet diameter At least 8 mm Total delivery of...

Страница 226: ...ade in housing 33 The drain connection is screwed into one of the holes To connect to the engine the flange of housing 33 has four bosses with holes and an aligning collar The reducing valve unit comp...

Страница 227: ...oating Pin 7 Reducing Chamber Housing 22 Priming Valve Spring 37 Vane 8 Reducing Chamber Gasket 23 Priming Valve 38 Screw 9 Pin 24 Screw 39 Locking Seal 10 Sealing Ring 25 Reducing Valve Diaphragm 40...

Страница 228: ...e gasoline is pumped through twelve drilled holes uniformly spaced around the mushroom type head of reducing valve 6 The priming valve is pressed to the end face of the reducing valve mushroom type he...

Страница 229: ...s to the suction space i e the pump circulates the gasoline In its housing The gasoline pressure in the delivery space is adjusted by changing compression of the reducing valve spring by driving in or...

Страница 230: ...e between pump and carburetor jammed carburetor needle Clogged or disconnected pipe between fuel line and pressure gauge faulty pressure gauge Jamming of reducing valve guide portion Foreign particles...

Страница 231: ...FUEL PUMP 702ML MAINTENANCE PRACTICES 1 LIST OF TASK CARD Title Task Carda No Removal 201 Depreservation of New Fuel Pump 202 Iristallation 203 Adjustment and Test 204...

Страница 232: ...attachment nuts and remove the pump from the engine 3 Remove the sealing gasket 4 Carefully wipe and inspect the drive flange bearing surface and pump drive shaft shank Make sure they are free from n...

Страница 233: ...into a bath with clean oil MS 20 heated to a temperature of 60 to 70 C keep it in oil for 20 to 30 min till heated fully 5 Remove the pump from the bath and turning its rotor manually by the ahank dr...

Страница 234: ...ICAL REQUIREMENTS CORRECTIVE ACTIONS CHECKED BY TEST EQUIPMENT TOOLS AND FIXTURES MATERIALS Syringe UB 24 05 Wrench 11x14 7811 0041 Bath depreservation Gasoline Hefras S 50 170 or BR 1 BR 2 Mr compres...

Страница 235: ...e washers and uniformly tighten four pump attachment nuts 4 Connect the fuel system pipelines ensuring tight joints NOTES 1 When installing ensure tight and reliable joints 2 The pump air space should...

Страница 236: ...crew holding the adjustment screw against turning with a screwdriver inserted into the screw slot Ref Fig 201 o 2 Adjust fuel pressure to he from 0 2 to 0 5 kgf cm at nominal rating to increase pressu...

Страница 237: ...TIVE ACTIONS CHECKED BY Adjusting Fuel Pressure by Fuel Pump Reducing Valve Figure 201 TEST EQUIPMENT TOOLS AND FIXTURES MATERIALS Wrench 27x30 7811 0041 Wrench 24x27 700880 8 Screwdriver 700346 A200x...

Страница 238: ...g the pipelines Valve 5 arranged near the housing outlet hole is pressed by spring 6 to disk 7 To preclude flow of fuel between the disk and the housing sealing ring 8 is lodged in the disk groove Fil...

Страница 239: ...aling Ring 11 Filtering Element Body 12 Bottom 13 Frame 14 Holder 15 Shipping Plug Fuel Filter 8D2 966 064 Figure 1 1 Filter Housing 2 Cover 3 Filtering Element 4 Sealing Ring 5 Valve 6 Spring 7 Disk...

Страница 240: ...up to 300 Hz Acceleration 10g Amplitude 1 mm Impact strength Acceleration 12g Impact duration 20 to 50 m s Acceleration linear loads 4g 3 OPERATION In the course of operation fuel gets to the inlet sp...

Страница 241: ...FILTER 8D2 966 064 MAINTENANCE PRACTICES 1 LIST OF TASK CARDS Title Task Card No Removal 201 Depreservation of New Filter 202 Installation 203...

Страница 242: ...there is no fuel pressure in the fuel system 2 Drain fuel from the system 3 Unlock the filter to airplane attachment 4 Disconnect the pipelines from the filter 5 Undo two nuts which secure the filter...

Страница 243: ...ing and drive out shipping covers 3 Perform internal depreservation by multiple filling batches of gasoline Mefras S 50 170 or BR 1 BR 2 and draining them from the filter interior till preservation gr...

Страница 244: ...es out according to the arrows applied to the filter housing 3 Tighten the fasteners 4 Fill the fuel Jystem with gasoline and build up operating pressure in it 5 Inspect the filter to pipeline joints...

Страница 245: ...arrel diameter 70 mm Venturi diameter 64 mm Throttle idle setting angle from completely open position 11 Carburetor inlet fuel pressure At main ratings 0 35 0 15 kgf cm2 At idle Not less than 0 15 kgf...

Страница 246: ...chanical acceleration pump fuel filter space and fuel inlet boss The spaces and chambers are externally defined by flanges with holes for attachment screws of the appropriate covers The carburetor bar...

Страница 247: ...Carburetor AK 14P Operation Diagram Figure 1...

Страница 248: ...3 Sleeve 14 Venturi 15 Spring 16 Trunnion 17 Gasket 18 Lever Chamber Cover 19 Metering Needle Lever 20 Metering Needle Link Shaft 21 Setting Pin 22 Lock 23 Air Filter 24 Sealing Ring 25 Air Manifold 2...

Страница 249: ......

Страница 250: ...r to close the fuel valve The left end of the rod of fuel valve 11 presses the ball to the edges of the hole in the valve seat pressed in the guide mounted in the valve body together with a rubber sea...

Страница 251: ...Screw 4 Diaphragm Trunnion 5 Elongated Cover Attachment Screws 6 Copper Sealing Ring 7 Lever Spring 8 Lever Support 9 Lever Pivot 10 Lever 11 Fuel Valve 12 Adjustment Shim 13 Lower Drain Plug 14 Wash...

Страница 252: ...g of the screw and loosening of the link to shaft joint in operation the screw is safetied to the shaft with wire Then the link assembly is inserted with the shaft free end from the link chamber si de...

Страница 253: ...Dia 2 mm 7 Bushing 8 Setting Pin 9 Metering Needle Lever 10 Sealing Ring 11 Link Shaft 12 Bushing 13 Link 14 Throttle Shaft 15 Link Lever Pin 16 Link Lever 17 Bushing 18 Link Chamber Cover 19 Washer...

Страница 254: ...Screw 2 Washer 3 Slide 4 Link Lever 5 Tapered Cotter Pin 6 Screw 7 Fuel Pressure Measuring Connection 8 Fuel Valve Cover 9 Idle Needle 10 Coupling 11 Cap 12 Gasket Link Mechanism and Idle Needle Figu...

Страница 255: ...echanism The carburetor throttle chamber accommodates throttle 26 Ref Pig 2 having two holes dia 2 mm drilled near the edge and intended to improve atomization of fuel at idle rating Throttle 26 is ti...

Страница 256: ...d sleeve 13 pressed onto its one end The other end of the nozzle has a calibrated orifice which receives the shaped end of the metering needle assembly The middle portion of the nozzle has holes servi...

Страница 257: ...ine When turning the needle the locating lug of the spring moves to the adjacent recess of the needle splined portion and a distinct click is heard The number of clicks may be counted to estimate the...

Страница 258: ...rves as a valve guide Coupling 8 is installed with a small radial clearance in the central through hole of piston 6 to thrust against the middle bend end The coupling is locked against longitudinal pl...

Страница 259: ...ted into the adjustment shaft slot owing to interconnection of shaft 33 coupling 8 and the metering needle To limit the shaft turn during adjustment of the carburetor a special device stop with holder...

Страница 260: ...ed on to the outer end of the coupling is cap 11 Flexible textolite sealing gasket 12 is arranged inside the cap to seal the coupling end face To connect the idle passage with the nozzle hole a hole i...

Страница 261: ...6 Spring 7 Thrust Washer 8 Retaining Ring 9 Thrust Ring 10 Spring 11 Cover 12 Aneroid Capsule 13 Sealing Ring 14 Cover 15 Lock Nut 16 Bushing 17 Plug 18 Plug 19 Sealing Ring 20 Sealing Ring 21 Plug 22...

Страница 262: ...d 25 Ref Fig 2 made as a thin walled steel ring with collar is mounted in a special recess in the carburetor body at the lower flange side Kight ram pressure copper pipes are uniformly spaced around t...

Страница 263: ...nuts with spring washers The cover to body joint is sealed by the diaphragm The carburetor adapter is secured on the body upper flange studs by four nuts safetied with plate locks The adapter to carbu...

Страница 264: ...ogged fine fuel filter 8 Low fuel pressure Dirt gets under carburetor fuel valve Close throttle Enrich mixture by idle adjustment screw Ref Task Card No 204 Eliminate leakage in suction pipe Check mag...

Страница 265: ...TICES 1 LIST OF TASK CARDS Title Task Card No Removal 201 Depreservation of New Carburetor 202 Installation 203 Idle Adjustment 204 Adjustment at Main Ratings 205 Adjustment of Altitude Control 206 Ad...

Страница 266: ...ion 6 Ref Fig 201 2 Disconnect the throttle control rod 3 Disconnect the fuel pressure measuring pipe from connection 4 Unlock and und o four carburetor attachment nuts 5 Remove the carburetor 6 Remov...

Страница 267: ...OPERATIONS AND TECHNICAL REQUIREMENTS CORRECTIVE ACTIONS CH ECKED BY Carburetor AK 14P Right Side View Figure 201...

Страница 268: ...02 for measuring the initial position of the altitude control needle 6 Remove shipping cap from fuel inlet connection 6 Ref Pig 201 7 Connect the hand pump line to connection 6 8 Set the throttle leve...

Страница 269: ...ing Initial Position of Altitude Control Needle 4 Breathing Plug 5 Lower Drain Plug 6 Plug for Measuring Air Pressure in Regulator Air Space 7 Throttle Control Lever 8 Throttle Idle Stop Screw 9 Air F...

Страница 270: ...201 28 Install the shipping cap on the connection 29 Wipe the carburetor externally with a clean cloth TEST EQUIPMENT TOOLS AND FIXTURES MATERIALS Bath depreservation Wrench 11x14 14 24 861 Wrench 17x...

Страница 271: ...four times IJOTE Do not drain gasoline remainder 17 Tighten and lock the plugs 18 Set the throttle lever to the full open stop 19 Flush clean gasoline through the hole of lower drain plug 5 at a pres...

Страница 272: ...ges are free from nicka T R Nicks are not allowed 4 Install a new sealing gasket on the carburetor flange 5 Install the carburetor on the mixture collector 6 Install four locks and screw on four carbu...

Страница 273: ...Carburetor Altitude Control Needle Position Versus Barometric Pressure Barometric Graph Figure 203...

Страница 274: ......

Страница 275: ...TEST EQUIPMENT TOOLS AND FIXTURES MATERIALS Template 60660 3863 Pliers flat nosed 150 i rencl i 19x22 700880 7 drench 11x14 14 24 861 Wrench 7x9 700880 2 Screwdriver 530 280 1 Pump priming UB 24 05 re...

Страница 276: ...Mo 204 3 Unlock and undo the cap of idle needle 3 Ref Fig 201 4 Remove the cap and sealing gasket 5 Turn the idle needle to either side to set idle speed of up to 26 It ia allowed to adjust idle spee...

Страница 277: ...CORRECTIVE ACTIONS CHECKED BY 1 Throttle Idle Stop Screw 2 Carburetor Throttle Control Lever Determining size D Figure 204 TEST EQUIPMENT TOOLS AND FIXTURES MATERIALS Pliers flat nosed 150 Screwdrive...

Страница 278: ...diameter leans out the mixture decreasing it enriches the mixture The jet diameter change of 0 05 mm changes specific fuel consumption at take off rating for 2 to 5 g hp h 3 Install and lock suction...

Страница 279: ...her than size A required by the barometric graph using the following procedure 1 Unlock and undo the lock nut of screw 1 Ref Pig 202 2 Turn screw 1 to the required side KOTBi To decrease aneroid capsu...

Страница 280: ...AND TECHNICAL REQUIREMENTS CORRECTIVE ACTIONS CH ECKED BY TEST EQUIPMENT TOOLS AND FIXTURES MATERIALS Template 60680 3863 Wrench 11x14 14 24 861 Wrench flat 7x9 700880 2 Pliers flat nosed 150 Wire loc...

Страница 281: ...ts dia 0 9 to 1 4 mm 2 The jets required for adjustments are included in the individual SPTA set of each carburetor J When increasing the fuel jet diameter the acceleration pump delivery increases and...

Страница 282: ......

Страница 283: ......

Страница 284: ...tem passing through the primary winding of coil KF 4716 magnetizes its core and the starting coil breaker points previously open close the primary winding to ground Magnetic field disappearing with cu...

Страница 285: ...High tenaion starting coil KP 4716 is connected to the starting electrode of the LH magneto The ignition circuit diagram is shown in Fig 1 Magneior on Ignition Diagram Figure 1...

Страница 286: ...ting the magneto on the engine and to ensure smooth transmission of drive torque to the rotor The M 9F magneto is designed for starting the engine with the use of starting coil KP 4716 2 DESCRIPTION 2...

Страница 287: ...rmer 16 2 Poor connection of wire to cut ou t t erminal 15 3 Soiling of terminal 15 of transformer 1b 4 Rotor 2 1 broken down or burnt through 1 Maladjusted magneto 2 Poor connection of wires to distr...

Страница 288: ...T t en 0 CO 0 T K D fi h0 Ol f 01 3 0 F4...

Страница 289: ...NCE PRACTICES 1 LIST OF TASK CARDS Title Task Cards No Depreservation of New Magneto 201 Installation 202 Adjustment of Breaker Point Gap 203 Replacement of Magneto Distributor and Ignition Harness Ca...

Страница 290: ...P M S TASK CARD No 201 MS ITEM PROCEDURE Depreservation of New Magneto OPERATIONS AND TECHNICAL REQUIREMENTS CORRECTIVE ACTIONS CH ECKED BY If oil gets on points 4 wipe them with clean chamois or cali...

Страница 291: ...ERIOD WAS LESS THAN TWO YEARS DO NOT FILL OIL NEVER WASH BREAKER 18 AND CAM 24 WITH GASOLINE OR OTHER SOLVENTS 8 Carefully wipe points 4 of breaker 18 with clean chamois or calico cloth moistened in c...

Страница 292: ...vision applied to the airscrew shaft flange 4 To eliminate the effect of gear backlash upon accuracy of magneto setting when bringing the piston to the required position first turn the airscrew shaft...

Страница 293: ......

Страница 294: ...the airscrew shaft flange She breaker points should start opening at an airscrew shaft turning angle of 14 30 to 16 before TDC The breaker point gap should be 0 25 to 0 35 nun 10 If normal adjustment...

Страница 295: ...et relative to the retainer The tubular shield of the ignition harness is properly safetied 16 Install the shield and pipe of the ignition harness secure the pipe by four screws and safety with lockin...

Страница 296: ...urning the airscrew shaft Then turn the airscrew shaft so that rubbing block 6 is on the cam lobe 6 Check gap of points 4 of breaker 18 using a feeler gauge T R The gap of points 4 should be within 0...

Страница 297: ...f Fig 201 5 Install wires along the direction of arrow LH ROTATION on the distributor to spark plugs of cylinders 2 4 6 8 1 3 5 7 which corresponds to the following mixture firing order in cylinders 1...

Страница 298: ...OTE Figures indicate numbers of cylinders to which distributor cables are to be connected Cables from LH magneto run to front spark plugs from RH one to rear spark plugs Magneto Distributor Figure 201...

Страница 299: ...r 22 4 Loosen the ignition harness attachment nuts 5 Release the lead from the elbow proceeding as follows Undo the elbow nut Remove the spring and the end piece Release the lead 6 Rub a new lead with...

Страница 300: ...ND TECHNICAL REQUIREMENTS CORRECTIVE ACTIONS CHECKED BY TEST EQUIPMENT TOOLS AND FIXTURES MATERIALS Screwdriver 70346 A200x1 Wrench 7x9 700880 2 Wrench 36x41 14 32 11 Screwdriver 700345 A150x0 5 Solde...

Страница 301: ...ve out magneto pipe four attachment screws 26 3 Drive out three attachment screws 20 of shield 21 and remove the shield CAUTION REMOVE THE DISTRIBUTOR CAREFULLY NOT TO DAKAGE HIGH TENSION LF AD 4 Remo...

Страница 302: ...storage and shipment Place the magnetos intended for prolonged storage in the containers which ensure intactness of the hermetic packaging The containers with magnetos should be protected against mois...

Страница 303: ...sport and over any distances In shipment protect the containers with the packaged magnetos against dust snow water and liquids CAUTION NEVER DROP OR TURN OVER THE CONTAINERS WITH THE PACKAGED MAGNETOS...

Страница 304: ...PARK DISTRIBUTION DESCRIPTION AND OPERATION 1 GENERAL High tension current from the magneto is transmitted to the spark plugs via high tension cables enclosed in metal shield shielded ignition harness...

Страница 305: ...ing from the ring to the spark plugs are shielded with individual metal braid The hose ends have internal and external threaded bushings and the braid is clamped between their collars and welded to th...

Страница 306: ...ase electrode erosion and diminish ignition system radio interference Contact head 4 is insulated from shell 5 of the spark plug with ceramic tube 6 The spark plug ahell has a hexagon for wrench S 22...

Страница 307: ...ping Resistor 4 Contact Head 5 Spark Plug Shell 6 Ceramic Tube 7 Copper Asbeatos Sealing Ring 8 Heat Transfer Bushing 9 Nipple 10 Shaped Ring 11 Heat Resistant Cement A Spark Gap B Thread M1 43 1 25 C...

Страница 308: ...eas deformed shell 2 Cracks on ceramic tube 3 Shorting of electrodes wetting of shield space Increased lead deposit in spark plug nose space Wear of electrodes after prolonged operation Recessive oil...

Страница 309: ...SPARK PLUG SD 49SMM MAINTENANCE PRACTICES 1 LIST OF TASK CARDS Title Task Card Uo Removal 201 Installation 202...

Страница 310: ...exceed 4 to 5 kgf m CAUTION REMOVE AND INSTALL THE SPARK PLUGS AFTER COOLING DOWN THE ENGINE 3 Place all the spark plugs removed from the engine into an individual container and send for check or rep...

Страница 311: ...os sealing ring on the spark plug T R The ring should be clean smooth without nicks or burrs 3 Coat the threaded portion of the spark plug with grease ST NK 50 to protect against burning CAUTION WHEN...

Страница 312: ...ALIGNMENT OF THE CONTACT DEVICE IS NOT ALLOWED 7 Insert the elbow contact device into the shield space 8 Screw the elbow union nut on the spark plug finger tight 9 Tighten the elbow union nuts NOTE Ti...

Страница 313: ...r and then via a pipeline to the starting valve of the cylinder at the beginning of the power stroke Under the action of compressed air the starting valve opens and air gets to the cylinder combustion...

Страница 314: ...5 Check Valve 6 Filter 7 Solenoid Valve 8 Two Pointer Pressure Gauge 9 System Charging Valve 10 Air Bottle 11 Hand Priming Pump 12 Pressure Gauge 13 Oil Dilution Cock 14 Fuel Shut Off Valve 15 Fuel F...

Страница 315: ...t oil temperature of 40 to 80 C and I rotational speed of 1450 r min Up to 30 cnr h Time of filling bottle 8 lit in capacity to operating pressure compressor delivery at eccentric speed of UbO r min U...

Страница 316: ...art of cylinder 7 The air filter is used to clean air fed to the compressor and comprises housing 8 two aluminium meshes 12 between which filtering element 11 is disposed The filter housing is cast of...

Страница 317: ...the piston moves down by pass valve 2 gets closed air is compressed in space B of the second stage cylinder and is supplied via the air line to the airplane bottle The volume of the second stage cylin...

Страница 318: ...cing defective sealing gaskets Replace gaskets Disconnect the airplane bottle air line Unlock and undo the swivel nipple attachment nut Remove the nipple and old gaskets Drive out the delivery valve R...

Страница 319: ...Possible cause Correction 6 Ovartorque coupling pins are sheared off Install new coupling from the individual SPTA set having checked free rotation of the compressor by the shaft ahank using wrench U...

Страница 320: ...STARTING SYSTEM MAINTENANCE PRACTICES 1 LIST OF TASK CARDS Title Task Card No Removal 201 Depreservation of New Compressor 202 Installation 203...

Страница 321: ...BY 1 Disconnect the compressed air outlet pipe 2 Undo six nuts for attachment of the compressor to the engine crankcase rear cover remove the washers 3 Remove the compressor from the engine 4 Remove t...

Страница 322: ...sor with a clean cloth moistened in clean unleaded gasoline 5 Press the stem of the inlet valve with hand and turn the compressor eccentric 15 to 17 full revolutions to remove preservation grease from...

Страница 323: ...IONS AND TECHNICAL REQUIREMENTS CORRECTIVE ACTIONS CH ECKED BY TEST EQUIPMENT TOOLS AND FIXTURES MATERIALS Screwdriver 700345 A150x0 5 Gasoline Nefraa S 50 170 or BR 1 BR 2 Air compressed Brush hair G...

Страница 324: ...ED WITH OIL PASSAGES 3 Install a sealing gasket between the flanges of the drive and compressor 4 Install the compressor on the drive ao that the holes of the oil passages are aligned and ensure free...

Страница 325: ...ghtness of the No 202 system Ref 072 00 00 Task Card T R Leakage of toints is not allowed If leakage ia detected check and tighten the compressor connection nut TEST EQUIPMENT TOOLS AND FIXTURES MATER...

Страница 326: ...lloy and are interconnected by three studs 9 Bronze pad 11 supporting steel thrust bearing 17 is installed between the housing and the cover The joints between the housing pad and cover are sealed wit...

Страница 327: ...ng 16 Adjustment Spline Coupling 17 Thrust Bearing 18 Gasket 19 Gasket 20 Check Valve Connection 21 Sealing Ring 22 Check Valve Spring 23 Ball 24 Valve Spring Thrust Bushing 25 Inlet Connection 26 Sea...

Страница 328: ...and thread on both sides as well as a hole to pass compressed air to the inner space The housing has a conical seat for the valve face and a thrust bridge to support the spring with a hole for the val...

Страница 329: ...1 Nut 5 Housing 2 Spring 6 Valve 3 Gasket 7 Swivel Elbow Body 4 Gasket 8 Cap Starting Valve Figure 2 1 Body 3 Atomizer Nozzle Figure 3...

Страница 330: ...d flared in the nozzle body ia the atomizer having four inclined holes to ensure fine pulverization of gasoline in the mixture collector with a short jet The pipe with connection Ref Fig 4 has a seali...

Страница 331: ...stributor slide valve 4 Mixed pipes of starting system 5 Scores on compressed air distributor working surfaces resulting in air getting through gaps to several cylinders simultaneously NOTE The operat...

Страница 332: ...CARDS Title Task Card No Removal 201 Depreservation of New Compressed Air Distributor 202 Installation of Compressed Air Distributor Housing 203 Adjustment of Compressed Air Distributor 204 Installati...

Страница 333: ...s and aluminium sealing washers 3 Disconnect the pipe for supply of air to the distributor 4 Unlock and undo three attachment nuts of the compressed air distributor cover 5 Remove the cover of the com...

Страница 334: ...S AND TECHNICAL REQUIREMENTS CORRECTIVE ACTIONS CHECKED BY TEST EQUIPMENT TOOLS AND FIXTURES MATERIALS Pliers flat nosed 150 Wrench 7x9 700880 2 Wrench 17x19 UB 24 07 Screwdriver 700345 A150x0 5 Hamme...

Страница 335: ...from packaging 2 Remove the distributor housing cover supporting the pad 3 Remove the pad adjustment coupling thrust bearing and slide valve with spring from the cover 4 Wash all the removed parts in...

Страница 336: ...he locating seat on the rear cover and make sure they are free from nicks T R Nicka are not allowed 2 Install the distributor housing on the engine having placed paronite gasket coated with sealant 50...

Страница 337: ...at the TDC indicator 5 Set the piston of cylinder No 4 to a position of 12 after the TDC in expansion stroke and then turn the airscrew shaft in its normal direction through 8 after the TDC NOTE Allan...

Страница 338: ...the distributor housing 3 Pit the locks install and tighten three nuts for attachment of the distributor housing cover 4 Lock the attachment nuts 5 Install aluminium gaskets and nine pipes for supply...

Страница 339: ...NICAL REQUIREMENTS CORRECTIVE ACTIONS CHECKED BY TEST EQUIPMENT TOOLS ANO FIXTURES MATERIALS Pliers flat nosed 150 Wrench 19x22 700880 7 Wrench spark plug 22 15 32 173 Wrench 7x9 700880 2 Sealant 50 W...

Страница 340: ...rive The generator is not protected against ingress of liquid into its interior The construction of the airplane should ensure such protection Generator G3R 3000M Series 4 Figure 1 2 DESCRIPTION 2 1 C...

Страница 341: ...ng 1 min 150 A Permissible current at 5600 to 8000 r min during 5 a 200 A Permissible load current without air blowing for 15 min 30A Nominal speed of rotation at load of 100 A and voltage of 28 5 V w...

Страница 342: ...lower than its electromotive force for the value of voltage drop in the armature winding caused by load current passing through the winding and delivered to the external mains Load current passing th...

Страница 343: ...hield 2 Interpole 13 Pole 3 Pipe 14 Frame 4 Nut 15 Armature 5 Nut 16 Field Winding 6 Brush Holder 17 Bearing 7 Brush 18 Hollow Shaft 8 Spring 19 Flexible Shaft 9 Bearing 20 Bolt 10 Terminal Panel 21 P...

Страница 344: ...Generator Electrical Connection Diagram Commutator Side View Figure 3 1 Main Pole 2 Interpole...

Страница 345: ...2 Damage to field winding Check field winding resistance a If infinite field winding circuit is open b If zero field winding is shorted 3 Polarity reversal of generator Close terminals Sh and connect...

Страница 346: ...mmutator 2 Damaged brushes Check brushes Brushes can hardly be removed from brush holders and have bright friction spots on side surfaces 3 Soiled commutator Inspect commutator Black deposit or burnin...

Страница 347: ...cause Correction 6 Excessive runout of commu tator Commutator is grooved by brushes 7 Traces of oil on commutator Check gearbox oil slinger Replace generator Eliminate trouble in gearbox oil slinger R...

Страница 348: ...GENERATOR GSR 3000M SERIES 4 MAINTENANCE PRACTICES 1 LIST OF TASK Title Task Card No Servicing 201 Removal Installation 202 Inspection Check 203...

Страница 349: ...EPARATORY OPERATIONS 1 Remove soiling from the generator outer surface 2 Remove the generator from the engine 3 Blow the generator interior with compressed air at a pressure of 1 to 2 kgf cm 2 4 Check...

Страница 350: ...r interior with compressed air a t a pressure of 1 to 2 kgf cra 2 4 Carefully remove all the bruahea from brush holders 5 Glean the brush holders from dust and soiling with a tex tolite wedge Blow the...

Страница 351: ...EAD TO PREMATURE FAILURE OF THE GENERATOR Seat the brushes using the following procedure Wrap a strip of glass paper equal in width to that of the commutator up the latter with abrasive layer outwards...

Страница 352: ...ssure of 1 to 2 kgf cm to remove brush dust ITOTE Operations under Items 3 4 are carried out according to terms specified in engine Maintenance Schedule 5 Install the protective band on the generator...

Страница 353: ...ator to make sure it is free from mechanical defects CAUTION NICKS ON LOCATING SURFACES CANNOT W ALLOWED 3 Install the generator on the drive body having passed six attachment studs through the holes...

Страница 354: ...S PROTECTED AGAINST DIRECT INGRESS OF DUST SNOW WATER ETC 9 Start the engine and check operation of the generator 10 Overall dimensions of the generator are given in Pig 201 2 REMOVAL 1 Remove the pro...

Страница 355: ......

Страница 356: ...band from the generator and check reliable contacts of all current carrying wires 4 Check easy movement of the brushes in the holders condition of the commutator good repair of brush springs Measure t...

Страница 357: ...HECKED BY TEST EQUIPMENT TOOLS AND FIXTURES MATERIALS Screwdriver 700346 A200x1 Pliers flat nosed 150 Wrench 14x17 14 232 03 Wrench 17x19 UB 24 07 Wrench socket 14 UB 24 16 Caliper vernier Wire lockin...

Страница 358: ......

Страница 359: ...14F engine with airscrew V530TA D35 and ensures acconiplishntent of the following functions Automatic maintenance of the preset airscrew speed of rotation by varying its pitch Positive change of the a...

Страница 360: ...imum temperature at governor outlet 100 C Oil leakage through gaps at n 2500 r min zero flow and temperature of 85 to 90 C At acceptance tests Up to 1 5 1 min By end of service life Up to 2 1 min Gove...

Страница 361: ...g Ring 6 Transmission Body 7 Drive Shaft 8 Slide Valve 9 Driven Gear Axle 10 Driven Gear 11 Nut 12 Reducing Valve Spring 13 Centrifugal Governor Assembly 14 Reducing Valve 15 Cup 16 Ball Bearing 17 Ad...

Страница 362: ...pring disposed between the slide valve and the rack Rack 22 meshes with the gear of control drive shaft 20 Control shaft 1 Ref Fig 3 is made integral with a gear meshing the rack teeth Number of teeth...

Страница 363: ...w cylinder when the slide valve is lowered The drive shaft lower end is splined for coupling with the engine gearbox drive coupling whereby the drive shaft is rotated The upper end of the shaft has a...

Страница 364: ...to the engine gearbox case 3 1 ENSURING CONSTANT PRESET SPEED OF ROTATION OF AIRSCREW AND POWERPLANT With the governor operating the oil from the engine line is fed to the locating flange of the gove...

Страница 365: ...Supply Oil from Engine to Governor 2 Hole to Supply Oil from Governor to Airscrew 3 Coupling Screw 4 Hole for Returning Oil from Governor to Engine Crankcase 5 Coupling Screw Governor Locating Flange...

Страница 366: ...g 4 Toothed Rack 5 Control Shaft 6 Slide Valve 7 Oil Pump 8 Passage to Supply Oil from Engine to Governor 9 Reducing Valve 10 Slide Valve Shoulder 11 Drive Shaft Governor Operation Diagram for Equilib...

Страница 367: ...f spring 3 tmove slide valve 6 upward to the initial equilibrium position Ref Fig 5 Depending on the rate of deviation of the airscrew speed of rotation from the equilibrium speed when the mismatch is...

Страница 368: ...Weight 3 Spring 4 Toothed Rack 5 Control Shaft 6 Slide Valve 7 Oil Pump 8 Passage to Supply Oil from Engine to Governor 9 Reducing Valve 10 Slide Valve Shoulder 11 Drive Shaft Governor Operation Diag...

Страница 369: ...e spring so that the equilibrium speed of rotation rises since spring tension force and weight centrifugal force will become equal to each other at a higher speed of rotation of the governor drive sha...

Страница 370: ...CONSTANT SPEED GOVERNOR R 2 SERIES 04 MAINTENANCE PRACTICES 1 LIST OF TASK CARDS Title Task Card No Removal 201 Depreservation of Hew Governor 202 Installation 203 Adjustment of Governor on Engine 204...

Страница 371: ...or control roller and remove the roller 2 Undo four governor attachment nuts 3 Remove four flat and four split washers 4 Remove the governor from the engine 5 Remove the gaake t 6 Install the governor...

Страница 372: ...Refer to the governor Certificate to make sure the latter is assembled for RH rotation 5 Depreserve the governor by removing preservation compound from its outer surfaces by a brush or cloth moistene...

Страница 373: ...should rotate smoothly without jamming 3 Install the governor on the drive studs without a gasket and make sure the lower flange tightly and without gaps adjoins to the drive plane 4 Remove the govern...

Страница 374: ...NS AND TECHNICAL REQUIREMENTS CORRECTIVE ACTIONS CHECKED BY TEST EQUIPMENT TOOLS AND FIXTURES MATERIALS Wrench 11x14 14 24 861 Pliers flat nosed 150 Screwdriver 700345 A150x0 5 tVrenoh 9x11 700002 Sea...

Страница 375: ...oller 4 Secure the roller in this position on the shaft 5 Adjust the cable length and secure it on the governor roller 6 Check operation of the governor control system and make sure the governor contr...

Страница 376: ...nor control lever at a fully open throttle corresponding to n 99 3 After landing and shutting down the engine set the governor control lever to the position marked in flight with the throttle being fu...

Страница 377: ...aft remove retaining ring 2 Ref Fig 3 and tighten up bearing 7 If trouble persists replace sealing ring 6 part PN1 1513 with the ring taken from the SPTA set Lock the bearing with retaining ring 2 TES...

Страница 378: ...r pre stora e pronervatlon eihail be prcsoTvsd not later than in 24 h after the moment of acceptance The preaervat i on room temperature should be 10 to 3 oc relative humidity up bo 70 it an ambient t...

Страница 379: ...e of 60 to 80 C without exposure Internal preservation of the governor is performed by the Manufacturer by filling its spaces with oil during acceptance tests on the stand When forwarding for storage...

Страница 380: ...on K 17 Paper paraffined Twine Film polyethylene 5S or 30 150 grade 1 Dehydrator silica gel grade KSM or ShSM Cartridges dehydrator indicators Indicator silica gel COST 8505 80 GOST 443 76 GOST 19537...

Страница 381: ...SPEED GOVERNOR R 2 SERIES 04 SHIPMENT 1 GENERAL The governor may be shipped by any transport Shipment may be carried out at atmospheric pressure decreased to 0 2 kgf cm and temperature of down to min...

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