Lycoming O-235 series Operator'S Manual Download | Manualshive

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LYCOMING OPERATOR’S MANUAL

SECTION 6

TROUBLE-SHOOTING

Page

Failure of Engine to Start............................................................................................................................ 6-1

Failure of Engine to Idle Properly.............................................................................................................. 6-1

Low Power and Uneven Running............................................................................................................... 6-2

Failure of Engine to Develop Full Power ................................................................................................... 6-2

Rough Engine ............................................................................................................................................... 6-3

Low Oil Pressure.......................................................................................................................................... 6-3

High Oil Temperature ................................................................................................................................. 6-3

Excessive Oil Consumption......................................................................................................................... 6-4

Cold Weather Difficulties............................................................................................................................ 6-4

Engine Does Not Stop .................................................................................................................................. 6-4

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Summary of Contents for O-235 series

Page 1: ...Operator s Manual Lycoming O 235 and O 290 Series Approved by FAA 5th Edition Part No 60297 9 652 Oliver Street January 2007 Williamsport PA 17701 U S A 570 323 6181 ...

Page 2: ...his publication are trademarks or registered trademarks of their respective companies For additional information Mailing address Lycoming Engines 652 Oliver Street Williamsport PA 17701 U S A Phone Factory 570 323 6181 Sales Department 570 327 7268 Fax 570 327 7101 Lycoming s regular business hours are Monday through Friday from 8 00 AM through 5 00 PM Eastern Time 5 GMT Visit us on the World Wide...

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Page 5: ...RES CAN RESULT IN POOR ENGINE PERFORMANCE AND POWER LOSS ALSO IF POWER AND SPEED LIMITATIONS SPECIFIED IN THIS MANUAL ARE EXCEEDED FOR ANY REASON DAMAGE TO THE ENGINE AND PERSONAL INJURY CAN HAPPEN CONSULT YOUR LOCAL FAA APPROVED MAINTENANCE FACILITY SERVICE BULLETINS INSTRUCTIONS AND LETTERS Although the information contained in this manual is up to date at time of publication users are urged to ...

Page 6: ... various Warnings and Cautions which must be carefully read in order to minimize the risk of personal injury or the use of improper service methods that may damage the engine or render it unsafe It is also important to understand that these Warnings and Cautions are not all inclusive Lycoming could not possibly know evaluate or advise the service trade of all conceivable ways in which service migh...

Page 7: ...CTION 1 DESCRIPTION 1 1 SECTION 2 SPECIFICATIONS 2 1 SECTION 3 OPERATING INSTRUCTIONS 3 1 SECTION 4 PERIODIC INSPECTIONS 4 1 SECTION 5 MAINTENANCE PROCEDURES 5 1 SECTION 6 TROUBLE SHOOTING 6 1 SECTION 7 INSTALLATION AND STORAGE 7 1 SECTION 8 TABLES 8 1 v ...

Page 8: ...LYCOMING OPERATOR S MANUAL Right Front View O 235 C O 290 D Rear View O 290 D2 vi ...

Page 9: ...ral 1 1 Cylinders 1 1 Valve Operating Mechanism 1 1 Crankshaft 1 1 Crankcase 1 1 Oil Sump 1 1 Connecting Rods 1 2 Pistons 1 2 Accessory Housing 1 2 Gears 1 2 Cooling System 1 2 Lubrication System 1 2 Induction System 1 2 Ignition System 1 2 Table of Models 1 3 ...

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Page 11: ...upports and the rocker box housing are cast integrally with the head The valves are cooled by means of fins which completely surround the area of the exhaust valve and portions of the intake valves Valve guides and valve seats are shrunk into machined recesses in the head Valve Operating Mechanism The valve operating mechanism is located on the topside The camshaft is located parallel to and above...

Page 12: ...ned to be cooled by air pressure actuated by the forward speed of the aircraft Close fitting baffles build up a pressure and force the air through the cylinder fins The air is then exhausted through gills or augmentor tubes usually located at the rear of the cowling Lubrication System The full pressure wet sump lubrication system is actuated by an impeller type oil pump contained within the access...

Page 13: ... 3PA AS 127 1 O 235 M1 S4LN 21 S4LN 20 or S4LN 204 MA 3A or 3PA AS 127 2 O 235 C2B E2B F2B G2B K2B J2B S4LN 1227 S4LN 1209 MA 3A or 3PA AS 127 1 O 235 C2C H2C 4251 4250 MA 3A or 3PA AS 127 1 O 235 K2C 4252 4250 or 4252 MA 3A or 3PA AS 127 1 O 235 L2C N2C 4252 or 4281 4250 or 4281 MA 3A or 3PA AS 127 1 O 290 D S4LN 21 S4LN 20 MA 3SPA AS 127 2 O 290 D2 S4LN 21 S4LN 20 MA 3SPA AS 127 2 O 290 D2A S4LN...

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Page 15: ...e Specifications O 235 C E Series O 235 C1C 2 1 Specifications O 235 F G J N P K L M Series 2 2 Specifications O 235 H Series O 235 K2C 2 3 Specifications O 290 D O 290 D2 D2A D2B D2C 2 4 Accessory Drives 2 5 Alternate Power Settings 2 5 Detail Weights 2 6 ...

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Page 17: ... 1 Prop driven rotation viewed from rear Clockwise Firing orders 1 3 2 4 Spark occurs BTC 25 Rocker clearance cold 007 009 O 235 C1 has provision for two position prop control valve O 235 C1C FAA Type Certificate 223 Take off horsepower 115 Take off RPM 2800 Rated horsepower 108 Rated RPM 2600 Bore inches 4 375 Stroke inches 3 875 Displacement cubic inches 233 3 Compression ratio 6 75 1 Prop drive...

Page 18: ...ate 223 Take off horsepower 116 Take off RPM 2800 Rated horsepower 116 Rated RPM 2550 Bore inches 4 375 Stroke inches 3 875 Displacement cubic inches 233 3 Compression ratio 8 1 1 Prop drive ratio 1 1 Prop driven rotation viewed from rear Clockwise Firing orders 1 3 2 4 Spark occurs BTC 20 Rocker clearance cold 007 009 O 235 K L M FAA Type Certificate 223 Take off horsepower 118 Take off RPM 2800 ...

Page 19: ...2 4 Spark occurs BTC 25 Rocker clearance cold 007 009 O 235 K2C FAA Type Certificate 223 Take off horsepower 118 Take off RPM 2800 Rated horsepower 115 Rated RPM 2700 Bore inches 4 375 Stroke inches 3 875 Displacement cubic inches 233 3 Compression ratio 8 5 1 Prop drive ratio 1 1 Prop drive rotation viewed from rear Clockwise Firing orders 1 3 2 4 Spark occurs BTC 20 Rocker clearance cold 007 009...

Page 20: ...140 Take off RPM 2800 Rated horsepower 135 Rated RPM 2600 Bore inches 4 875 Stroke inches 3 875 Displacement cubic inches 289 0 Compression ratio 7 50 1 Prop drive ratio 1 1 Prop driven rotation viewed from rear Clockwise Firing orders 1 3 2 4 Spark occurs BTC 18 Valve rocker clearance hydraulic tappets collapsed 028 080 O 290 D2B D2C FAA Type Certificate 229 Take off horsepower 140 Take off RPM 2...

Page 21: ...ter 0 500 1 Clockwise Magneto 1 000 1 Clockwise Fuel Pump 0 500 1 Plunger Operated Prop Governor 0 866 1 Clockwise AN Drive 1 000 1 Counterclockwise Facing Drive Pad ALTERNATE POWER RATINGS O 235 SERIES O 235 C2C 100 hp 2400 rpm O 235 H2C 100 hp 2400 rpm O 235 L Series 105 hp 2400 rpm 110 hp 2550 rpm 112 hp 2600 rpm 115 hp 2700 rpm O 235 M Series 105 hp 2400 rpm 110 hp 2550 rpm 112 hp 2600 rpm 115...

Page 22: ...TANDARD ENGINE Average MODEL LBS O 235 C 240 O 235 C1B 241 O 235 C1 C2A 242 O 235 C1C C2B H2C 243 O 235 C2C 244 O 235 K2C L2C 248 O 235 E1B F1B N2C 249 O 235 E2A F2A 250 O 235 F2B 251 O 235 K2A L2A N2A 252 O 235 G1 G2A J2A K2B 253 O 235 M1 P2A 255 O 290 D 260 O 235 D2A D2C 264 O 290 D2B 265 2 6 ...

Page 23: ... Items of Maintenance 3 1 Starting Procedure 3 1 Cold Weather Starting 3 2 Ground Running and Warm Up 3 2 Checks Before Take Off 3 3 Operation in Flight 3 3 Use of Carburetor Heat Control 3 5 Engine Flight Chart 3 6 Operating Conditions 3 7 Shut Down Procedure 3 10 Performance Curves 3 11 ...

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Page 25: ...herefore no further break in is necessary insofar as operation is concerned however new or newly overhauled engines should be operated using only the lubricating oils recommended in the latest revision of Service Instruction No 1014 NOTE Cruising should be done at 65 to 75 power until a total of 50 hours has accumulated or oil consumption has stabilized This is to insure proper seating of the ring...

Page 26: ...the forward movement of the aircraft to maintain proper cooling Particular care is necessary therefore when operating these engines on the ground To prevent overheating it is recommended that the following procedures be observed NOTE Any ground check that requires full throttle operation must be limited to three minutes or less if the indicated cylinder head temperature exceeds the maximum as stat...

Page 27: ...low power settings will only indicate fuel air distribution quality NOTE Aircraft that are equipped with fixed pitch propeller or not equipped with manifold pressure gage may check magneto drop off with engine operating at approximately 1800 RPM 2000 RPM maximum 2 Switch from both magnetos to one and note drop off return to both until engine regains speed and switch to the other magneto and note d...

Page 28: ...onitor cylinder head temperature 2 75 power and below Operate at peak EGT D LEANING WITH MANUAL MIXTURE CONTROL At 75 power or less without flowmeter or EGT gage 1 Slowly move mixture control from Full Rich position toward lean position 2 Continue leaning until engine roughness is noted 3 Enrich until engine runs smoothly and power is regained E ALTERNATE METHOD In calm air and engines with fixed ...

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Page 32: ...ture Desired Maximum Above 60 F 15 5 C 180 F 82 C 245 F 118 C 30 F 1 11 C to 90 F 32 2 C 180 F 82 C 245 F 118 C 0 F 17 8 C to 70 F 21 1 C 170 F 77 C 245 F 118 C Below 10 F 12 2 C 160 F 71 C 245 F 118 C Engine oil temperatures should not be below 140 F 60 C during continuous operation O 235 C E Operation RPM HP Fuel Cons Gal Hr Max Oil Cons Qts Hr Max Cyl Head Temp Normal Rated 2800 115 10 7 0 52 5...

Page 33: ...ons Gal Hr Max Oil Cons Qts Hr Max Cyl Head Temp Normal Rated 2800 118 9 5 0 39 500 F 260 C Performance Cruise 75 Rated 2500 89 6 7 0 30 500 F 260 C Economy Cruise 65 Rated 2400 77 5 8 0 27 500 F 260 C O 235 K2C Operation RPM HP Fuel Cons Gal Hr Max Oil Cons Qts Hr Max Cyl Head Temp Take Off 2800 118 500 F 260 C Normal Rated 2700 115 9 2 0 38 500 F 260 C Performance Cruise 75 Rated 2425 86 6 4 0 2...

Page 34: ... Qts Hr Max Cyl Head Temp Take Off 2800 130 500 F 260 C Normal Rated 2600 125 11 9 0 56 500 F 260 C Performance Cruise 75 Rated 2350 94 7 5 0 31 500 F 260 C Economy Cruise 65 Rated 2250 81 6 5 0 27 500 F 260 C O 290 D2 Series Operation RPM HP Fuel Cons Gal Hr Max Oil Cons Qts Hr Max Cyl Head Temp Take Off 2800 140 500 F 260 C Normal Rated 2600 135 12 6 0 60 500 F 260 C Performance Cruise 75 Rated ...

Page 35: ... 290 SERIES 9 SHUT DOWN PROCEDURE a Idle engine at approximately 800 to 900 RPM until there is a decided drop in cylinder head temperature b Move mixture control to Idle Cut Off c After engine stops set magneto switch at the off position this will prevent after firing 3 10 ...

Page 36: ...LYCOMING OPERATOR S MANUAL SECTION 3 O 235 AND O 290 SERIES OPERATING INSTRUCTIONS Figure 3 1 Power and Fuel Consumption Curve O 235 C 3 11 ...

Page 37: ...SECTION 3 LYCOMING OPERATOR S MANUAL OPERATING INSTRUCTIONS O 235 AND O 290 SERIES Figure 3 2 Sea Level and Altitude Performance O 235 C1 E1 H2 Series 3 12 ...

Page 38: ...LYCOMING OPERATOR S MANUAL SECTION 3 O 235 AND O 290 SERIES OPERATING INSTRUCTIONS Figure 3 3 Fuel Flow vs Percent Rated Power O 235 C1 E1 H2 Series 3 13 ...

Page 39: ...SECTION 3 LYCOMING OPERATOR S MANUAL OPERATING INSTRUCTIONS O 235 AND O 290 SERIES Figure 3 4 Fuel Flow vs Percent Rated Power O 235 F G J Series 3 14 ...

Page 40: ...LYCOMING OPERATOR S MANUAL SECTION 3 O 235 AND O 290 SERIES OPERATING INSTRUCTIONS Figure 3 5 Sea Level and Altitude Performance O 235 F G J Series 3 15 ...

Page 41: ...SECTION 3 LYCOMING OPERATOR S MANUAL OPERATING INSTRUCTIONS O 235 AND O 290 SERIES Figure 3 6 Fuel Flow vs Percent Rated Power O 235 K L M Series 3 16 ...

Page 42: ...LYCOMING OPERATOR S MANUAL SECTION 3 O 235 AND O 290 SERIES OPERATING INSTRUCTIONS Figure 3 7 Sea Level and Altitude Performance O 235 K L M Series 3 17 ...

Page 43: ...SECTION 3 LYCOMING OPERATOR S MANUAL OPERATING INSTRUCTIONS O 235 AND O 290 SERIES Figure 3 8 Fuel Flow vs Horsepower O 235 N P Series 3 18 ...

Page 44: ...LYCOMING OPERATOR S MANUAL SECTION 3 O 235 AND O 290 SERIES OPERATING INSTRUCTIONS Figure 3 9 Sea Level and Altitude Performance O 235 N P Series 3 19 ...

Page 45: ...SECTION 3 LYCOMING OPERATOR S MANUAL OPERATING INSTRUCTIONS O 235 AND O 290 SERIES Figure 3 10 Power and Fuel Consumption Curve O 290 D 3 20 ...

Page 46: ...LYCOMING OPERATOR S MANUAL SECTION 3 O 235 AND O 290 SERIES OPERATING INSTRUCTIONS Figure 3 11 Sea Level and Altitude Performance O 290 D 3 21 ...

Page 47: ...SECTION 3 LYCOMING OPERATOR S MANUAL OPERATING INSTRUCTIONS O 235 AND O 290 SERIES Figure 3 12 Power and Fuel Consumption Curve O 290 D2 D2A 3 22 ...

Page 48: ...LYCOMING OPERATOR S MANUAL SECTION 3 O 235 AND O 290 SERIES OPERATING INSTRUCTIONS Figure 3 13 Sea Level and Altitude Performance Curve O 290 D2 D2A 3 23 ...

Page 49: ...SECTION 3 LYCOMING OPERATOR S MANUAL OPERATING INSTRUCTIONS O 235 AND O 290 SERIES Figure 3 14 Sea Level and Altitude Performance Curve O 290 D2B D2C 3 24 ...

Page 50: ...in Step 2 to the altitude performance curve Example Point C 4 Connect point A and point C with a straight line 5 Read horsepower on line CA from given altitude Example At 1800 feet with a power setting of 2400 RPM and 23 8 in Hg horsepower is 99 5 Point D 6 Correct power approximately 1 for each 10 variation in intake air temperature from the standard altitude temperature shown below Add correctio...

Page 51: ...SECTION 3 LYCOMING OPERATOR S MANUAL OPERATING INSTRUCTIONS O 235 AND O 290 SERIES Figure 3 15 Power and Fuel Consumption Curve O 290 D2B D2C 3 26 ...

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Page 53: ...R S MANUAL SECTION 4 PERIODIC INSPECTIONS Page Prestarting Inspection 4 1 Daily Pre Flight 4 2 25 Hour Inspection 4 2 50 Hour Inspection 4 2 100 Hour Inspection 4 3 400 Hour Inspection 4 4 Non Scheduled Inspections 4 4 ...

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Page 55: ...ion but are meant for the engine only Consult the airframe manufacturer s handbook for additional instructions Pre Starting Inspection The daily pre flight inspection is a check of the aircraft prior to the first flight of the day This inspection is to determine the general condition of the aircraft and engine The importance of proper pre flight inspection cannot be over emphasized Statistics prov...

Page 56: ... after every 50 hours of operation a Ignition System Remove spark plugs test clean and regap Replace if necessary Examine spark plug leads of cable and ceramics for corrosion and deposits This condition is evidence of either leaking spark plugs improper cleaning of the spark plug walls or connector ends Where this condition is found clean the cable ends spark plug walls and ceramics with a dry cle...

Page 57: ... corrected before the aircraft resumes operation Heavy discoloration and appearance of seepage at the cylinder head and barrel attachment area is usually due to emission of thread lubricant used during assembly of the barrel at the factory or by slight gas leakage which stops after cylinder has been in service for awhile This condition is neither harmful nor detrimental to the engine performance a...

Page 58: ...rmal wear or broken parts in the area of the valve tips valve keeper springs and spring seat If any indications are found the cylinder and all of its components should be removed including the piston and connecting rod assembly and inspected for further damage Replace any parts that do not conform with limits shown in the latest revision of Special Service Publication No SSP 1776 6 NON SCHEDULED I...

Page 59: ... Repair of Fuel Leaks 5 4 Carburetor Inlet Screen Assembly 5 4 Fuel Grades and Limitations 5 4 Air Intake Ducts and Filters 5 4 Idle Speed and Mixture Adjustment 5 4 Lubrication System Oil Grades and Limitations 5 5 Oil Sump Capacity 5 5 Oil Suction and Oil Pressure Screens 5 5 Oil Relief Valve 5 5 Cylinder Assembly Removal of Cylinder Assembly 5 6 Assembly of Cylinder Assembly 5 7 Generator Drive...

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Page 61: ...n direction of normal rotation until the compression stroke is reached this is indicated by a positive pressure inside the cylinder tending to push the thumb off the spark plug hole Continue rotating the crankshaft in direction of normal rotation until the advance timing mark on the front face of the starter ring gear is in exact alignment with the small hole located at the two o clock position on...

Page 62: ...TION 5 LYCOMING OPERATOR S MANUAL MAINTENANCE PROCEDURES O 235 AND O 290 SERIES FIRING ORDER 1 3 2 4 Figure 5 1 Ignition Wiring Diagram FIRING ORDER 1 3 2 4 Figure 5 2 Ignition Wiring Diagram Optional 5 2 ...

Page 63: ...netos and turn the drive shafts in direction of normal rotation until the first painted chamfered tooth on the distributor gear is aligned in the center of the inspection window Being sure that the gear does not move from this position install gaskets and magnetos on the engine Secure with washers and nuts tighten only finger tight NOTE In order to turn the shaft on an impulse coupling magneto dep...

Page 64: ...embly Remove and check the screen for distortion or openings in the strainer Replace for either of these conditions Clean assembly in solvent and dry with compressed air To install the screen assembly place the gasket on the assembly and install in the throttle body then tighten to 35 40 in lbs torque c Fuel Grades and Limitations The recommended aviation grade for subject engines is listed in the...

Page 65: ...e final adjustment of the idle speed adjustment to obtain the desired idling RPM with closed throttle The above method aims at a setting that will obtain maximum RPM with minimum manifold pressure In case the setting does not remain stable check the idle linkage any looseness in this linkage would cause erratic idling In all cases allowance should be made for the effect of weather conditions and f...

Page 66: ...d remove spark plugs Remove rocker box cover and rotate crankshaft until piston is approximately at top center of the compression stroke 4 Remove valve rockers by sliding the valve rocker shaft aside enabling the valve rockers to be removed Valve rocker shaft can be removed when the cylinder is taken from the engine 5 Remove push rods by grasping the ball end and pulling rod out of shroud tube 6 R...

Page 67: ...A MAGNET TO REMOVE HYDRAULIC PLUNGER ASSEMBLIES FROM THE CRANKCASE THIS CAN CAUSE THE BALL TO REMAIN OFF ITS SEAT RENDERING THE UNIT INOPERATIVE e Assembly of Valves in Cylinder Prelubricate valve stems with Molytex Grease O or equivalent and insert each valve stem in its respective valve guide Place cylinder over a block of wood so that the valves are held against the seats and assemble the lower...

Page 68: ...s in the crankcase Push the cylinder all the way down NOTE Before installing cylinder base hold down nuts lubricate the crankcase thru stud threads with any one of the following lubricants 1 90 SAE 50W engine oil and 10 STP 2 Parker Thread Lube 3 60 SAE 30W engine oil and 40 Parker Thread Lube 8 Assemble the cylinder base hold down nuts and tighten as directed in the following steps NOTE At anytim...

Page 69: ...8 and 080 inch If the clearance does not come within these limits remove the push rod and insert a longer or shorter push rod as required to correct clearance NOTE Inserting a long rod will cause a decrease in valve clearance 11 O 235 O 290 D Series Be sure that the piston is at top center compression stroke and that both valves are closed Assemble adjusting screw in valve rockers and using cleara...

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Page 71: ... to Start 6 1 Failure of Engine to Idle Properly 6 1 Low Power and Uneven Running 6 2 Failure of Engine to Develop Full Power 6 2 Rough Engine 6 3 Low Oil Pressure 6 3 High Oil Temperature 6 3 Excessive Oil Consumption 6 4 Cold Weather Difficulties 6 4 Engine Does Not Stop 6 4 ...

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Page 73: ...rpriming Open throttle and unload engine Incorrect throttle setting Set at position Defective spark plugs Clean and adjust or replace spark plug or plugs Defective battery Replace with charged battery Improper operation of magneto breaker points Clean points Check internal timing of magnetos Water in carburetor Drain carburetor and fuel lines Internal failure Check oil sump strainer for metal part...

Page 74: ...e spark plugs Poor fuel Fill tank with fuel of recommended grade Magneto breaker points not working properly Clean points Check internal timing of magnetos Defective ignition wire Check wire with electric tester Replace any defective wire Improper ignition timing Check magnetos for timing and synchronization Defective spark plug terminal connectors Replace connectors on spark plug wire Incorrect v...

Page 75: ... Dirty oil strainers Remove and clean oil strainers High oil temperature See High Oil Temperature in Trouble column Defective pressure gage Replace gage Stoppage oil pump intake passage Check line for obstruction Clean suction strainer High Oil Temperature Insufficient air cooling Check air inlet and outlet for deformation or obstruction Insufficient oil supply Fill oil sump to proper level with o...

Page 76: ...ircraft into a heated hangar Heat oil Inaccurate pressure readings In extreme cold weather oil pressure readings up to approximately 100 lbs do not necessarily indicate malfunctioning Weak battery Install fully charged battery Overpriming Leave throttle open and ignition off Put mixture control in Idle Cut Off and crank until engine starts Immediately return to full rich mixture Engine Does Not St...

Page 77: ...Installation 7 1 General 7 1 Inspection of Engine Mounting 7 1 Attaching Engine to Mounts 7 1 Oil and Fuel Line Connections 7 1 Propeller Installation 7 1 Preparation of Carburetor for Installation 7 2 Corrosion Prevention in Engines Installed in Inactive Aircraft 7 2 Installation Drawings 7 3 ...

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Page 79: ...e engine is hot This will remove any residual preservative oil that may have been present CAUTION DO NOT ROTATE THE CRANKSHAFT OF AN ENGINE CONTAINING PRESERVATIVE OIL BEFORE REMOVING THE SPARK PLUGS BECAUSE IF THE CYLINDERS CONTAIN APPRECIABLE AMOUNT OF MIXTURE THE RESULTING ACTION KNOWN AS HYDRAULICING WILL CAUSE DAMAGE TO THE ENGINE ALSO ANY CONTACT OF THE PRESERVATIVE OIL WITH PAINTED SURFACES...

Page 80: ...her shelter where the preservation process is to be performed b Remove sufficient cowling to gain access to the spark plugs and remove both spark plugs from each cylinder c Spray the interior of each cylinder with approximately two 2 ounces of corrosion preventive oil while cranking the engine about five 5 revolutions with the starter The spray gun may be placed in either of the spark plug holes N...

Page 81: ...tioned are to be use in Lycoming aircraft for corrosion prevention only and not for lubrication See the latest revision of Lycoming Service Instruction No 1014 and Service Bulletin No 318 for recommended lubricating oil Figure 7 1 Installation Drawing Left Side View Figure 7 2 Installation Drawing Rear View 7 3 ...

Page 82: ...SECTION 7 LYCOMING OPERATOR S MANUAL INSTALLATION AND STORAGE O 235 AND O 290 SERIES Figure 7 3 Installation Drawings 7 4 ...

Page 83: ...le of Limits 8 1 Inspection Forms After Top Overhaul or Cylinder Change with New Rings Ground Run 8 2 Flight Test 8 3 Full Throttle HP at Altitude 8 4 Table of Speed Equivalents 8 4 Centigrade Fahrenheit Conversion Table 8 5 Inch Fraction Conversion 8 6 ...

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Page 85: ...TIONS AND INFORMATION CONCERNING TOLERANCES AND DIMENSIONS THAT MUST BE MAINTAINED IN LYCOMING AIRCRAFT ENGINES CONSULT LATEST REVISION OF SPECIAL SERVICE PUBLICATION NO SSP 1776 CONSULT LATEST REVISION OF SERVICE INSTRUCTION NO 1029 AND NO 1150 FOR INFORMATION PERTINENT TO CORRECTLY INSTALLING CYLINDER ASSEMBLY 8 1 ...

Page 86: ...SECTION 8 LYCOMING OPERATOR S MANUAL TABLES O 235 AND O 290 SERIES 8 2 ...

Page 87: ...LYCOMING OPERATOR S MANUAL SECTION 8 O 235 AND O 290 SERIES TABLES 8 3 ...

Page 88: ...17 500 18 000 18 500 19 000 70 8 68 3 65 8 63 4 61 0 58 7 56 5 54 3 53 1 52 1 51 4 50 0 19 500 20 000 20 500 21 000 21 500 22 000 22 500 23 000 23 500 24 000 24 500 25 000 49 1 48 0 47 6 46 0 45 2 44 0 43 4 42 2 41 4 40 3 39 5 38 5 TABLE OF SPEED EQUIVALENTS Sec Mi M P H Sec Mi M P H Sec Mi M P H 72 0 60 0 51 4 45 0 40 0 36 0 32 7 30 0 27 7 25 7 50 60 70 80 90 100 110 120 130 140 24 0 22 5 21 2 20...

Page 89: ...0 10 20 30 40 50 60 70 80 90 100 110 120 130 140 150 160 170 180 190 200 210 94 0 76 0 58 0 40 0 22 0 4 0 14 0 32 0 50 0 68 0 86 0 104 0 122 0 140 0 158 0 176 0 194 0 212 0 230 0 248 0 266 0 284 0 302 0 320 0 338 0 356 0 374 0 392 0 410 0 104 44 110 00 115 56 121 11 126 67 132 22 137 78 143 33 148 89 154 44 160 00 165 56 171 11 176 67 182 22 187 78 193 33 198 89 204 44 210 00 215 56 221 11 226 67 ...

Page 90: ...0621 0692 0767 0928 1014 1105 1296 1398 1503 1725 1842 397 794 1 191 1 587 2 381 2 778 3 175 3 969 4 366 4 762 5 556 5 593 6 350 7 144 7 540 7 937 8 731 9 128 9 525 10 319 10 716 11 112 11 906 12 303 1 2 17 32 35 64 9 16 19 32 39 64 5 8 21 32 43 64 11 16 23 32 47 64 3 4 25 32 51 64 13 16 27 32 55 64 7 8 29 32 59 64 15 16 31 32 63 64 5 5312 5469 5625 5937 6094 625 6562 6719 6875 7187 7344 75 7812 7...

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