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Tecumseh ECV100 - 120, Руководство техника

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Tecumseh ECV100 - 120 Скачать руководство пользователя страница 114

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SEARS CRAFTSMAN CROSS REFERENCE CHARTS

Craftsman Tecumseh

Craftsman Tecumseh

Craftsman Tecumseh

Craftsman Tecumseh

143.434302

TVS90-46018

143.434312

TVS90-46019

143.434332

TVS120-63918J

143.434342

TVS100-44037E

143.434352

TVS90-43375J

143.434362

TVS100-44033E

143.434372

TVS90-43513J

143.434382

TVS100-44031E

143.434392

TVS90-43515J

143.434402

TVS90-43553J

143.434412

TVS90-43298J

143.434422

TVS100-44043E

143.434432

TVS90-43215J

143.434442

TVS100-44030E

143.434452

TVS100-44038E

143.434462

TVS100-44032E

143.434472

TVS100-44036E

143.434482

TVS90-43528J

143.434492

TVS105-53913K

143.434502

TVS105-53163K

143.434512

TVS115-61016

143.434522

TVS115-61906

143.434532

TVS90-43514J

143.434542

TVS100-44029E

143.434552

TVS100-44045E

143.434562

TVS90-43299J

143.434572

TVS90-43512J

143.434582

TVS100-44048E

143.434592

TVS115-56911A

143.434602

TVS115-56031A

143.436012

TVXL220-157245C

143.436052

TVM125-60267N

143.436062

TVXL195-150246B

143.436072

TVXL220-157220C

143.436082

TVXL220-157215C

143.436112

TVXL220-157206C

143.436122

TVXL220-157205C

143.436162

TVM125-60254N

143.436172

TVXL195-150238B

143.586112

H70-130006

143.606012

H70-130070

143.606022

H70-130071

143.606032

H70-130072

143.606042

H70-130069

143.606052

H70-130081

143.606102

H70-130097

143.616012

H70-130099

143.616122

H70-130108

143.626012

H70-130138A

143.626032

H70-130135A

143.626052

H70-130029A

143.626062

H70-130097A

143.626082

H70-130037A

143.626092

H70-130108A

143.626102

H70-130013A

143.626122

H70-130036A

143.626142

H70-130006A

143.626152

H70-130070A

143.626172

H70-130081A

143.626192

H70-130017A

143.626212

H70-130057A

143.626292

H70-130168A

143.626312

H70-130069A

143.626322

H70-130015A

143.636032

H70-130172A

143.636062

H70-130173A

143.64152

TVXL105-54029B

143.646012

H70-130182A

143.646022

H70-130181A

143.646032

H70-130183A

143.646062

H70-130013B

143.646072

H70-130006B

143.646082

H70-130181B

143.646092

H70-130182B

143.646102

H70-130173B

143.646122

H70-130057B

143.646132

H70-130108B

143.646152

H70-130081B

143.646172

H70-130185B

143.646182

H70-130183B

143.646192

H60-75365K

143.646202

H70-130186B

143.656032

H60-75403K

143.656062

H70-130172B

143.656102

H70-130193B

143.656122

H70-130196B

143.656132

H70-130197B

143.656152

H70-130200B

143.656192

H70-130069B

143.656232

H70-130202B

143.656262

H70-130203C

143.656272

H70-130205C

143.665032

HS50-67062C

143.665042

HS50-67037C

143.665052

HS50-67128C

143.665072

HS50-67135C

143.666012

H70-130097C

143.666022

H70-130206C

143.666042

H70-130207C

143.666052

H70-130193C

143.666062

H70-130197C

143.666072

H70-130202C

143.666102

H60-75420K

143.666112

H60-75426K

143.666122

H60-75411K

143.666132

H60-75404K

143.666142

H60-75398K

143.666172

H60-75403L

143.666182

H60-75437K

143.666192

H60-75438K

143.666192

H60-75438K

143.666202

H60-75439K

143.666222

H70-130200C

143.666242

HH60-105096F

143.666252

H70-130172C

143.666272

H60-75416K

143.666282

H70-130211C

143.666292

H60-75442M

143.666302

H70-130212D

143.666312

H70-130213D

143.666332

HM100-159008B

143.666342

H70-130006C

143.666362

HM100-159011B

143.666372

H60-75445K

143.666382

H70-130205D

143.667052

HS40-55482G

143.667062

HS40-55477G

143.667072

HS40-55212G

143.667082

HS40-55495G

143.675012

HS50-67146C

143.675022

HS50-67149C

143.675032

H50-65398L

143.676032

H70-130219C

143.676062

HM100-159014A

143.676072

HM100-159015A

143.676082

HM100-159016A

143.676092

HM100-159017A

143.676102

H70-130221C

143.676112

H60-75452K

143.676112

H60-75452K

143.676122

H70-130211D

143.676132

H60-75403M

143.676152

HM100-159019A

143.676162

HM100-159020A

143.676172

H70-130172D

143.676192

H70-130224C

143.676212

HM100-159011C

143.676242

H60-75457M

143.676262

HM100-159008C

143.677022

HS40-55363G

143.685022

HS50-67163C

143.685032

HS50-67177C

143.686012

HM70 132007A

143.686022

HM70 132008A

143.686032

HM80-155122E

143.686042

HM80-155121E

143.686052

HM80-155146E

143.686062

H70-130206D

143.686082

HM80-155164E

143.686092

HM80-155170E

143.686102

HM100-159034C

143.686122

H60-75461M

143.686122

H60-75461M

143.686132

H70-130232D

143.686132

H70-130232D

143.686142

HM80-155171E

143.686142

HM80-155171E

143.686152

HM100-159036C

143.686152

HM100-159036C

143.686162

H60-75462M

143.686172

HM100-159040C

143.686182

H60-75464K

143.687012

HS40-55502G

143.687042

HS40-55514G

143.696012

H60-75465K

143.696032

HM80-155145E

143.696042

H60-75461N

143.696052

H70-130232E

143.696062

HM80-155171F

143.696072

HM100-159036D

143.696082

HS50-67181C

143.696092

HM80-155170F

143.696102

H70-130205E

143.696112

HM100-159034D

143.696122

H60-75462N

143.696132

HM80-155131F

143.696142

H50-65413L

143.696152

H60-75403N

143.697022

HS50-67170C

143.697042

HS50-67117C

143.697052

HS50-67178C

143.706012

H60-75467K

143.706022

H60-75468K

143.706032

HM80-155190E

143.706042

HM80-155189E

143.706052

HM80-155189E

143.706062

H60-75469K

143.706072

HM80-155194E

143.706082

HM80-155193E

143.706092

H70-130172E

143.706102

H60-75470P

143.706112

H70-130240F

143.706122

HM80-155195G

143.706132

HM100-159055E

143.706142

H60-75471P

143.706152

HM100-159034E

143.706162

HM80-155170G

143.706172

H70-130205F

143.706182

H70-130172F

143.706192

H70-130206F

143.706212

H50-65447M

143.706222

HM80-155204G

143.706232

HM100-159062E

143.707012

HS50-67188C

143.707042

HS40-55524G

143.707052

HS50-67190C

143.707072

HS50-67191C

143.707082

HS50-67192C

143.707092

HS50-67193D

143.707102

HS40-55526G

Содержание ECV100 - 120

Страница 1: ...MISSIONS This manual covers engine models ECV100 120 H22 80 HH40 70 HHM80 HM70 100 HMSK70 110 HMXL70 HS40 50 HSK30 70 HSSK40 50 HT30 35 HXL35 LAV30 50 LEV80 120 TNT100 120 TVM125 220 TVXL170 220 TVS75...

Страница 2: ...IFICATION 11 DUAL SYSTEM CARBURETORS 11 SERIES 1 CARBURETORS 11 SERIES 3 4 CARBURETORS 11 DIAPHRAGM CARBURETORS 11 SERIES 6 CARBURETORS 4 CYCLE 12 SERIES 8 12 SERIES 9 12 SERIES 10 EMISSION 12 SERIES...

Страница 3: ...ALF WAVE RECTIFIER SINGLE DIODE 43 FULL WAVE RECTIFIER BRIDGE RECTIFIER 43 COMPONENTS 43 BATTERY 43 WIRING 43 ELECTRICAL TERMS 44 BASIC CHECKS 45 TROUBLESHOOTING ELECTRICAL STARTER CIRCUIT FLOW CHART...

Страница 4: ...ENGINE MISFIRES 77 ENGINE VIBRATES EXCESSIVELY 78 BREATHER PASSING OIL 78 EXCESSIVE OIL CONSUMPTION 78 LACKS POWER 78 SERVICE 79 DISASSEMBLY PROCEDURE 79 CYLINDERS 81 CYLINDER HEADS 82 PISTONS RINGS...

Страница 5: ...required engine information on the engine decal diag 3 INTERPRETATION OF MODEL NUMBER The first letter designation in a model number indicates basic type of engine V Vertical Shaft LAV Lightweight Al...

Страница 6: ...tal or S B V Short Block Vertical Original model identification numbers of an engine should always be transferred to a new short block for correct parts identification diag 4 THIS SYMBOL POINTS OUT IM...

Страница 7: ...tion the equipment so the engine is level when checking the oil CAUTION REMOVE THE SPARK PLUG WIRE BEFORE DOING ANY SERVICE WORK ON THE ENGINE Oil Change Procedure Locate the oil drain plug On some un...

Страница 8: ...ilizer to allow it to reach the carburetor CAUTION THE USE OF SOME ANTI ICING ADDITIVES MAY CREATE A METHANOL FUEL BLEND DO NOT USE ADDITIVES THAT CONTAIN METHANOL FUEL CONDITIONERS THAT CONTAIN ISOPR...

Страница 9: ...ement The polyurethane wrap pre filter is used on XL or XL C engine models with paper filter elements The paper or polyurethane filter element is the main filter to trap dust and dirt Dry type paper e...

Страница 10: ...he excess contaminants out of the air cleaner body before removing the old element 4 Remove the old element and the polyurethane pre cleaner if equipped 5 On air cleaners that use a flocked screen und...

Страница 11: ...engines performance due to the fuels quality and short shelf life Always check fuel as a primary cause of engine performance 1 Remove the air filter heater box or air cleaner assembly if applicable to...

Страница 12: ...ION 2 PRIMER BULB 4 PRIMER BULB 3 MAIN NOZZLE EMULSION TUBE MAIN JET For the fuel to flow the carburetor bowl must be either vented externally or internally Some internally vented float style carburet...

Страница 13: ...PRESSURE DIFFERENTIAL CARBURETORS This type of carburetor uses a rubber like diaphragm which is exposed to intake manifold pressure on one side and to atmospheric pressure on the other Tecumseh diaph...

Страница 14: ...R COVERED WITH WELCH PLUG IDLE AND INTERMEDIATE FUEL MIXTURE PASSAGE IDLE ADJUSTMENT SCREW AND O RING IDLE SPEED ADJUSTMENT CHOKE SHAFT AND LEVER CHOKE PLATE ATMOSPHERIC VENT SOFT BAFFLE PLUG Blow air...

Страница 15: ...applications that will only have a fixed main system and the idle system will not be drilled diag 12 NOTE Emissionized carburetors will have a fixed jet SERIES 3 SERIES 4 CARBURETORS Series 3 and 4 c...

Страница 16: ...the 7 o clock position on the throttle end of the carburetor Identify this carburetor by the stepped primer bulb the presence of a non drilled idle mixing well and a serviceable main nozzle emulsion t...

Страница 17: ...h the black restrictor cap The difference is internal through the addition of a second idle feed passage with a restrictor as shown This extra passage improves run quality during light load engine ope...

Страница 18: ...r or Vent Fuel Pick up Restricted Idle Port Restricted Damaged Adjustment Needles Incorrect Float Height Main Nozzle Restricted Dirty Stuck Needle and Seat Fuel Inlet Plugged Rich Idle START IDLE ACCE...

Страница 19: ...from the engine cylinder CAUTION KEEP ALL COMBUSTIVE SOURCES AWAY AVOID THE SPRAY FROM THE SPARK PLUG HOLE WHEN CRANKING THE ENGINE OVER 8 Replace the air filter if restricted or oil soaked Replace th...

Страница 20: ...between these two positions This will be the best setting diag 24 25 26 Set the speed control to the IDLE or SLOW position Adjust the idle mixture screw following the same procedure used to adjust th...

Страница 21: ...on during rough service applications Note the position of the hooks before removing the float hinge pin diag 31 3 Remove the float clip and inlet needle 4 Remove the inlet needle seat using the Tecums...

Страница 22: ...tor cleaners use only spray cleaner or standard solvent tank cleaners Proper cleaning requires removal of both welch plugs and cleaning of the restictor s as equipped The standard series eleven has on...

Страница 23: ...DO NOT REMOVE ANY BALL OR CUP PLUGS IMPULSE FUEL PUMP To service disassemble the pump by removing the four 4 screws Clean all parts with a solvent and install a new kit which consists of a coil spring...

Страница 24: ...c Fuel Bowl Retaining Nut The retaining nut contains the transfer passage or metering jet through which fuel is delivered to the high speed and idle circuit of the carburetor If a problem occurs with...

Страница 25: ...them in place NOTE NEVER REUSE OLD SCREWS Choke Shaft and Plate The choke plate is inserted into the air horn of the carburetor in such a position that the flat surface of the choke is down Choke pla...

Страница 26: ...order to place a drop of WD 40 on the tip of the needle or on the seat surface Reposition the float and needle assembly Using the Tecumseh Leak Tester part 670340 connect the high pressure regulator t...

Страница 27: ...ave occurred when the engine is warm This condition can be corrected by inserting a non metallic spacer in the center leg of the carburetor as shown part 632158 This spacer is designed to reduce the a...

Страница 28: ...adjustment screw and spring If any or all of these old parts are worn or damaged replace each part with a new service part to assure proper function and prevent engine damage Use the diagrams on the...

Страница 29: ...AT SHAFT FLOAT FLOAT BOWL HIGH SPEED BOWL NUT BOWL NUT WASHER DIAPHRAGM COVER SCREW CHOKE SHUTTER Throttle Lever Remove the throttle lever and spring and file off the peened end of the throttle shaft...

Страница 30: ...link and close the throttle opening When the engine speed decreases the lower centrifugal force allows the governor weights to be pulled in by the governor spring As the spool lowers the governor rod...

Страница 31: ...critical If the R P M setting for high and low speed are within specification and a slight surge is experienced increasing the engine idle R P M setting slightly may eliminate this condition 4 Check...

Страница 32: ...ol seats The governor weights must be in position under the spool after installation diag 9 Governor Gear or Shaft Replacement Upset Style Governor Shaft 1 Grip the original spool in a vise and use a...

Страница 33: ...e the speed control lever to the low speed position place the adjustment tool on the low speed tab and bend to either increase or decrease to the correct speed 12 LOOSEN TO ADJUST WIRE HOLE CONTROL LE...

Страница 34: ...crew to 600 RPM below the governed idle speed This setting prevents the throttle plate from closing off when going from high speed RPM to low speed RPM If improperly adjusted the engine could experien...

Страница 35: ...SPEED CRACK SCREW IDLE SPEED CRACK SCREW IDLE SPEED CRACK SCREW HIGH SPEED RPM ADJUSTMENT SCREW HIGH SPEED RPM ADJUSTMENT SCREW 17 LIGHTWEIGHT R V TYPE IDLE SPEED CRACK SCREW HIGH SPEED RPM ADJUSTMENT...

Страница 36: ...T ENGINES CONTINUED IDLE SPEED CRACK SCREW HIGH SPEED RPM ADJUSTMENT SCREW IDLE SPEED CRACK SCREW MAIN MIXTURE SCREW BEND LOOP OPEN OR CLOSED TO ATTAIN OPERATING RPM S 25 MAINMIXTURE SCREW IDLEMIXTURE...

Страница 37: ...VXL 220 WITH HORIZONTAL SPEED CONTROL 30 29 TVS 115 LEV ENGINE SPEED CONTROL IDLE MIXTURE SCREW IDLE SPEED CRACK SCREW TNT 100 VERTICAL ENGINES 28 27 VERTICAL SHAFT ENGINES HIGH SPEED ADJUSTMENT SCREW...

Страница 38: ...LE With the engine throttle set at its lowest speed set the governed idle at the designated RPM by bending the idle RPM tab or adjusting a screw Next set the non governed idle by pushing the bottom of...

Страница 39: ...dog spring s returns the starter dog s to the disengaged position The recoil spring turns the starter pulley in the opposite direction retracting the starter rope until the handle contacts the stop C...

Страница 40: ...d knot on the rope end Make sure the rope and knot do not protrude from the knot cavity and bind the pulley rotation RETAINER REPLACEMENT DIAGRAM 4 1 Remove the starter handle if the retainer is a com...

Страница 41: ...CENTER PIN IN TOO FAR The retainer will bend and the starter dogs will not engage the starter cup On the stamped steel starter the center pin should be driven in until it contacts the shoulder in the...

Страница 42: ...he starter housing Install a knotted rope through the pulley and the eyelet and install the handle A left hand knot should be tied on both ends of the rope to secure the handle and rope in pulley STAN...

Страница 43: ...bottom pin in center screw hole Install nylon sleeve 1 8 3 175 mm onto pin Position nylon sleeve in aligning recess in the crankshaft START two mounting screws in blower housing 90o apart With sleeve...

Страница 44: ...r on the engine making sure the top of the starter gear teeth are no closer than 1 16 1 59 mm from the top of the flywheel ring gear teeth VERTICAL PULL STARTER VERTICAL ENGAGEMENT TYPE Disassembly Pr...

Страница 45: ...t diag 19 6 If the starter is equipped with a locking or delay pawl and spring make sure these are in place before grasping the gear and spring capsule assembly and sliding it into the bracket Make su...

Страница 46: ...TRIC STARTERS After all of the safety interlock switches have been activated the starter switch will complete the circuit A strong magnetic force is produced by the electrical current running through...

Страница 47: ...ded with an insulated coating around the copper strands CONDITION All wiring must be fully insulated between connection points securely fastened and free of foreign material such as rust and corrosion...

Страница 48: ...re wound around a metal lamination stack When a magnet is moved past the coils a current is induced in the coils In general the greater the number of coils the greater the output of the alternator dia...

Страница 49: ...ons 3 Cracked insulation or broken wires 4 A wire grounding out in the system 5 Defective switch 6 Operator presence system functioning properly NOTE ALL LAWN AND GARDEN TRACTORS BUILT AFTER JULY OF 1...

Страница 50: ...ine failure repair or replace engine NO YES Isolate engine from the equipment does engine turn over Repair or replace equipment causing excessive loading Remove spark plug does engine turn over freely...

Страница 51: ...lug Consult the Quick Reference Service Guide for test procedures on the different charging systems available Test for either AC or DC voltage as directed at the proper engine RPM Is the voltage great...

Страница 52: ...ill require disassembly to find the mechanical failure See Chapter 9 under Disassembly Procedure CHARGING CIRCUIT The following pages will show wiring diagrams of several Tecumseh charging systems The...

Страница 53: ...each terminal in the plug Start the engine and test the circuit using a voltmeter as shown diag 13 With the engine running minimum A C voltage values across the bulb should be 2000 R P M 8 0 Volts A...

Страница 54: ...f output is below standard listed pull back protective coating in front of the diode and check A C output If A C is good check each diode it services as requested see parts list diag 15 D C value or c...

Страница 55: ...meter probe on battery terminal as shown in the diagram diag 18 Connect negative lead to engine ground Minimum values should read 2500 R P M 12 0 Volts D C 3000 R P M 14 0 Volts D C 3300 R P M 16 0 Vo...

Страница 56: ...for bad battery ammeter wiring etc If less than the above readings proceed to make an A C output check by pulling back the protective coating from the fuse holder and diode Using an A C voltmeter chec...

Страница 57: ...s A C 3000 R P M 23 0 Volts A C 3300 R P M 26 0 Volts A C 3600 R P M 28 0 Volts A C If the minimum values are noted the alternator is okay the regulator rectifier is defective If less than above readi...

Страница 58: ...e is experienced replace the alternator If the alternator puts out the minimum A C voltage replace the diode 7 Amp Alternator System Regulator Rectifier External to Engine CHECKING THE SYSTEM To check...

Страница 59: ...ad should be 2500 R P M 16 0 Volts A C 3000 R P M 19 0 Volts A C 3300 R P M 21 0 Volts A C 3600 R P M 23 0 Volts A C If the minimum readings are noted the alternator is okay If the system fails to cha...

Страница 60: ...e the charging system and the regulator can be checked using a voltmeter Set the voltmeter on the 0 20 Volt D C scale and connect the probes across the battery terminals as shown Note the battery volt...

Страница 61: ...ousing to aid in reassembly 5 Remove the two or four retaining nuts from the through bolts holding the cap assembly 6 Slide off the cap assembly The terminal insulator slides out of the commutator cap...

Страница 62: ...3 Grasp the thru bolts using a vise grip positioned as close to the flanged end as possible to prevent thread damage Remove the two nuts holding the driving end cap in place Remove the armature and d...

Страница 63: ...the operator lets go of the engine blade control bail at the operator position Tecumseh s Flywheel Brake system provides consumer safety by stopping the engine and blade within three seconds after th...

Страница 64: ...plastic block with a wire extending out of it The wire is attached to a terminal which is connected to the ignition kill wire The brake lever contacts and grounds the wire of the switch when the engi...

Страница 65: ...system in the reverse order of disassembly NOTE WHEN REMOVING THE BRAKE BRACKET THE TORSION SPRING MUST BE RELEASED BEFORE THE TOP STARTER BOLT IS REMOVED OR THE THREADS IN THE CYLINDER BLOCK WILL BE...

Страница 66: ...CONTROL CABLE Bottom Surface The control cable conduit must be assembled against the stop in the bracket Make sure the bottom of the lever completely depresses the button on the starter interlock swi...

Страница 67: ...lywheel rotate past the charge coil electrical energy is produced in the module The energy is stored in the capacitor approx 200 volts until it is released by an electrical switch SCR As the magnet co...

Страница 68: ...he low voltage in the primary to high voltage in the secondary capable of jumping the spark plug gap The coil consists of a primary and a secondary winding of wire The primary is the low voltage 200 3...

Страница 69: ...sts on the ignition cam The contact points are a replaceable item diag 12 The ignition cam is an oblong device which rotates with the crankshaft and opens the points for firing the ignition system It...

Страница 70: ...ols Parasitic load Engine problem check for shorts or grounds in wiring Disconnect ignition cut off wire at the ignition coil repeat test Oil shutdown or on off rocker switch Check for proper air gap...

Страница 71: ...for roughness B Check the movable point arm that rests on the ignition cam for wear C Check the spring steel on the point assembly for evidence of excessive heat D Check contact points for wear If the...

Страница 72: ...high or breather is restricted 9 Faulty piston rings 10 Weak ignition system IGNITION TIMING PROCEDURE In order for an engine to run effectively and efficiently the spark must ignite the compressed ai...

Страница 73: ...Find T D C with both valves closed by rotating the crankshaft clockwise when looking at the magneto end of the crank until the needle on the dial stops and reverses direction Where the needle stops is...

Страница 74: ...able point and then recheck the point gap Be sure to clean contact points with lint free paper diag 27 NOTE The flywheel key used on engines with an external coil and points looks similar to the solid...

Страница 75: ...m wiper in a magneto system Use a standard business card as an air gap gauge File the contact points Attempt to reglue the spark plug lead back into a coil or a solid state module Store a solid state...

Страница 76: ...ween power strokes The camshaft gear is twice as large as the mating gear on the crankshaft so as to allow proper engine valve timing for each cycle The crankshaft makes two revolutions for every cams...

Страница 77: ...nd crankshaft bearing to lubricate the piston connecting rod and other internal parts diag 7 The plunger style oil pump is located on an eccentric on the camshaft As the camshaft rotates the eccentric...

Страница 78: ...nkshaft The valves allow air fuel mixture to enter the cylinder and exhaust gases to exit The valves provide a positive seal when closed The valve springs return the valves to the closed position and...

Страница 79: ...g or Ignition timing Loose or worn connecting rod Worn cylinder SURGES OR RUNS UNEVENLY Fuel cap vent obstructed Dirty carburetor or air filter Carburetor improperly adjusted Governor sticking binding...

Страница 80: ...setting Damaged gaskets seals or O rings Breather damaged dirty or improperly installed Piston rings not properly seated or ring end gaps are aligned Angle of operation too severe ENGINE VIBRATES EXCE...

Страница 81: ...achometer and compare it to the R P M settings found on microfiche card 30 according to the engine model and specification number Adjust as necessary 6 Make sure the correct spark plug is being used C...

Страница 82: ...gasket or leaking valves Follow the compression tester s procedure EXCESSIVE OIL CONSUMPTION 1 Check the oil level oil viscosity on the container of the oil being used and oil condition Replace and fi...

Страница 83: ...over away from the spark plug to remove diag 11 5 Remove the blower housing by first unscrewing the screw holding the dipstick tube to the blower housing or unscrewing the dipstick tube and removing t...

Страница 84: ...engines equipped with 8 1 2 1 gear reduction turn the crankshaft to roll the reduction shaft gear off the crankshaft worm gear when removing the cylinder cover diag 15 16 17 18 WORM GEAR 15 17 16 18 B...

Страница 85: ...er wall and begin honing at the bottom of the cylinder A light honing oil should be used to lubricate and cool while honing Move the hone up and down at a rate of 50 strokes per minute to avoid puttin...

Страница 86: ...rometer Check the ring side clearance using a feeler gauge with new ring Clean all carbon from the piston top and the ring grooves before measuring Visually inspect the piston skirt area for scoring o...

Страница 87: ...perative that the rod be installed correctly The piston used on these models will have either an arrow stamped above the piston pin hole a number cast on the inside of the piston skirt or an arrow sta...

Страница 88: ...eight outward and the pin will drop back down The engine will now run at full compression diag 38 Some engines are equipped with Bump Compression Release BCR camshafts that have a small bump ground on...

Страница 89: ...all the valves position the valve caps and springs in the valve compartment If the spring has dampening coils the valve spring should be installed with the dampening coils away from the valve cap and...

Страница 90: ...the valve seat diagram 48 Consult the specifications pages for specific valve seat width dimensions by engine model 49 47 46 48 CHECK VALVE PRESSURE OUT OIL RETURN BAFFLE ELEMENT TUBE BOTTOM NARROWIN...

Страница 91: ...t is recommended for replacement to assure proper crankcase seal Apply engine oil to the breather tube boot and push the breather in until the top shoulder of the boot contacts the crankcase Side Moun...

Страница 92: ...r will insure that the seal is driven in to the proper depth diag 55 CRANKSHAFT BEARING SERVICE Ball Bearing Service H40 HM100 engines To remove the ball bearing from the cylinder cover the bearing lo...

Страница 93: ...ans that are replaceable A damaged fan can be replaced by tapping on the outside portion of the fan until it separates from the iron portion of the flywheel diag 61 A new fan may be installed by heati...

Страница 94: ...The engine specifications listed on the following pages include tolerances that are considered acceptable to achieve normal engine operation Observed values inside the listed tolerance range are sati...

Страница 95: ...C 0 1 2 5 7 1 4 2 X X X X r o r e v o C l y C e g n a l F 5 1 1 5 9 3 1 X X X X X X X X X X X r o r e v o C l y C k o l r e w o P e g n a l F 5 2 1 5 0 1 4 1 X X X X t u N l e e h w y l F m u n i m u...

Страница 96: ...u o M w e r c S r e d l u o h S 0 2 2 5 2 X X X X X g n i t n u o M r e l f f u M e k a c n a P 5 7 3 3 4 X g n i t n u o M r e l f f u M s b a T k c o L 5 2 7 6 8 X X X X g n i t n u o M r e l f f u...

Страница 97: ...7 8 7 8 1 2 2 0 0 2 2 2 5 8 9 9 0 9 9 9 2 6 3 5 2 5 7 3 5 2 5 3 7 8 0 4 7 8 7 8 1 2 2 0 0 2 2 2 s l a n r u o J t f a h s m a C 5 7 9 4 0 8 9 4 7 3 6 2 1 9 4 6 2 1 5 7 9 4 0 8 9 4 7 3 6 2 1 9 4 6 2 1...

Страница 98: ...2 6 3 5 2 5 7 3 5 2 5 8 9 9 0 9 9 9 2 6 3 5 2 5 7 3 5 2 s l a n r u o J t f a h s m a C 5 7 9 4 0 8 9 4 7 3 6 2 1 9 4 6 2 1 0 3 2 6 5 3 2 6 4 2 8 5 1 7 3 8 5 1 5 7 9 4 0 8 9 4 7 3 6 2 1 9 4 6 2 1 5 7...

Страница 99: ...5 7 3 5 2 5 8 9 9 0 9 9 9 2 6 3 5 2 5 7 3 5 2 5 8 9 9 0 9 9 9 2 6 3 5 2 5 7 3 5 2 5 8 9 9 0 9 9 9 2 6 3 5 2 5 7 3 5 2 s l a n r u o J t f a h s m a C 5 7 9 4 0 8 9 4 7 3 6 2 1 9 4 6 2 1 5 7 9 4 0 8 9...

Страница 100: ...1 1 5 7 8 1 1 0 5 1 0 3 3 6 1 0 3 0 7 8 1 1 5 7 8 1 1 0 5 1 0 3 3 6 1 0 3 0 7 8 1 1 5 7 8 1 1 0 5 1 0 3 3 6 1 0 3 0 7 8 1 1 5 7 8 1 1 0 5 1 0 3 3 6 1 0 3 s l a n r u o J t f a h s m a C 0 3 2 6 5 3 2...

Страница 101: ...l a n r u o J t f a h s m a C 5 7 9 4 0 8 9 4 7 3 6 2 1 9 4 6 2 1 5 7 9 4 0 8 9 4 7 3 6 2 1 9 4 6 2 1 5 7 9 4 0 8 9 4 7 3 6 2 1 9 4 6 2 1 5 7 9 4 0 8 9 4 7 3 6 2 1 9 4 6 2 1 5 7 9 4 0 8 9 4 7 3 6 2 1...

Страница 102: ...9 9 9 2 6 3 5 2 5 7 3 5 2 5 8 9 9 0 9 9 9 2 6 3 5 2 5 7 3 5 2 5 8 9 9 0 9 9 9 2 6 3 5 2 5 7 3 5 2 s l a n r u o J t f a h s m a C 5 7 9 4 0 8 9 4 7 3 6 2 1 9 4 6 2 1 5 7 9 4 0 8 9 4 7 3 6 2 1 9 4 6 2...

Страница 103: ...3 6 2 1 9 4 6 2 1 5 7 9 4 0 8 9 4 7 3 6 2 1 9 4 6 2 1 s g n i r a e B t f a h s m a C r e v o C r e d n i l y C e g n a l F 9 9 9 4 5 0 0 5 5 7 6 2 1 3 1 7 2 1 9 9 9 4 5 0 0 5 5 7 6 2 1 3 1 7 2 1 9 9...

Страница 104: ...9 9 0 9 9 9 2 6 3 5 2 5 7 3 5 2 5 8 9 9 0 9 9 9 2 6 3 5 2 5 7 3 5 2 0 7 8 1 1 5 7 8 1 1 0 5 1 0 3 3 6 1 0 3 5 4 7 3 1 0 5 7 3 1 2 1 9 4 3 5 2 9 4 3 5 4 7 3 1 0 5 7 3 1 2 1 9 4 3 5 2 9 4 3 s l a n r u...

Страница 105: ...C a i D g r B n i a M 0 7 8 1 1 5 7 8 1 1 0 5 1 0 3 3 6 1 0 3 5 4 7 3 1 0 5 7 3 1 2 1 9 4 3 5 2 9 4 3 0 7 8 1 1 5 7 8 1 1 0 5 1 0 3 3 6 1 0 3 5 4 7 3 1 0 5 7 3 1 2 1 9 4 3 5 2 9 4 3 s l a n r u o J t...

Страница 106: ...0 series transaxles This video will show a complete step by step procedure for teardown and reassembly of the 900 910 and 920 series transaxles CHAPTER 11 EDUCATIONAL MATERIALS AND TOOLS 695185 Electr...

Страница 107: ...haft dia of 1 3745 1 3750 670309 Seal Protector PTO Magneto on HM70 100 TVM170 220 OVM120 TVXL195 220 HMSK100 w shaft dia of 1 3745 1 3750 670310 Seal Protector Installer PTO Magneto on HM70 100 TVM17...

Страница 108: ...er A NONE B 670311 Bushing Driver 1 3 8 41 275 mm HM70 100 TVM170 220 and OVM120 670317 Bushing Driver 1 3 16 20 6375mm HM70 HM80 and HM100 Cylinder cover No 670298 Alignment Tool 1 32 794 mm OVERSIZE...

Страница 109: ...375 3 8 391 25 64 406 13 32 422 27 64 438 7 16 453 29 64 469 15 32 484 31 64 50 1 2 DECIMAL FRACTION CONVERSIONS 516 33 64 531 17 32 547 35 64 563 9 16 578 37 64 594 19 32 609 39 64 625 5 8 641 41 64...

Страница 110: ...EV120 361096C 143 015504 LEV120 361097C 143 016000 LEV115 360033D 143 016002 LEV115 360034D 143 016004 LEV115 360035D 143 016200 LEV115 360031D 143 016202 LEV120 361519A 143 016502 LEV120 361093C 143...

Страница 111: ...43111B 143 314362 TVS90 43145B 143 314382 TVS90 43044B 143 314402 TVS90 43068B 143 314412 TVS90 43108B 143 314432 LAV35 40917N 143 314482 TVS90 43150B 143 314542 TVS90 43066B 143 314552 TVS90 43088B 1...

Страница 112: ...1012 TVS75 33056E 143 371022 TVS75 33057E 143 371032 TVS75 33059E 143 374012 TVS90 43352E 143 374022 TVS90 43353E 143 374032 TVS90 43354E 143 374052 TVS90 43356E 143 374072 TVS90 43358E 143 374082 TVS...

Страница 113: ...CV100 145347H 143 414282 TVS90 43528G 143 414292 TVS105 53153H 143 414292 TVS105 53153H 143 414302 TVS120 63124G 143 414312 TVS105 53130H 143 414322 TVS105 53901H 143 414332 TVS90 43504G 143 414342 TV...

Страница 114: ...66102 H60 75420K 143 666112 H60 75426K 143 666122 H60 75411K 143 666132 H60 75404K 143 666142 H60 75398K 143 666172 H60 75403L 143 666182 H60 75437K 143 666192 H60 75438K 143 666192 H60 75438K 143 666...

Страница 115: ...43 746012 H60 75489M 143 746022 HM80 155250F 143 746062 H70 130256J 143 746072 HM100 159095J 143 746082 HM80 155279J 143 746092 HM80 155280J 143 746102 HM100 159101J 143 751012 H30 35342R 143 751022 H...

Страница 116: ...0 43572K 143 943508 TVS90 43572K 143 943509 H35 45661V 143 943510 TVS90 43298K 143 943512 TVS90 43375K 143 943514 TVS90 43576K 143 943526 TVS90 43512K 143 943528 TVS90 43299K 143 943530 TVS90 43514K 1...

Страница 117: ...C 143 965003 HSSK50 67338P 143 965004 TVS115 61021C 143 965005 HSSK50 67374P 143 965006 TVS115 61050C 143 965008 TVS115 61016C 143 965010 TVS115 61051C 143 965012 TVS115 61026C 143 965014 TVS115 61037...

Страница 118: ...143 986514 LEV120 361037A 143 988000 TVM195 150287G 143 988001 HM80 155587S 143 988003 HMSK80 155614V 143 988005 HM80 155424S 143 988503 HM85 155851A 143 989001 HM90 156004D 143 989003 HM90 156005D 14...

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