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Tecumseh ECV100 - 120, Руководство техника

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LEE

SEARS CRAFTSMAN CROSS REFERENCE CHARTS

Craftsman Tecumseh

Craftsman Tecumseh

Craftsman Tecumseh

Craftsman Tecumseh

143.794082

HS50-67300H

143.796012

HM80-155308N

143.796022

HM80-155309N

143.796032

HM80-155321N

143.796042

HM80-155338N

143.796052

HM100-159115N

143.796062

HM100-159140N

143.796072

HM100-159141N

143.796082

HM80-155365N

143.796092

HM80-155366N

143.796102

HM100-159162N

143.796132

HM80-155370N

143.796142

HSK70-130267M

143.796152

HM80-155346L

143.796162

HM100-159169H

143.796172

HM100-159135H

143.796182

H70-130006H

143.796192

HM80-155327L

143.796202

HM80-155384L

143.804062

HS40-55586M

143.804072

HS50-67309J

143.804082

H30-35419S

143.804092

H30-35420S

143.804102

H35-45629S

143.804112

H30-35424S

143.806012

HM80-155370P

143.806022

HM80-155309P

143.806032

HM80-155389P

143.806042

HM100-159115P

143.806052

HM100-159180P

143.806072

HM80-155308P

143.806082

HM80-155394P

143.806092

HM100-159183P

143.806092

HM100-159183P

143.806102

HM80-155400L

143.806112

H70-130264H

143.806122

H70-130267N

143.806132

HM100-159192J

143.806142

H70-130268H

143.806152

HM80-155411L

143.806162

HM100-159135J

143.806172

HM100-159169J

143.806182

HM80-155424L

143.814012

HS40-55586N

143.814022

HS50-67309K

143.814032

H30-35426S

143.814042

H30-35427S

143.814072

H30-35431S

143.816012

HMSK100-159183R

143.816022

HM80-155416P

143.816032

HM100-159199R

143.816052

HM80-155433L

143.816062

H60-75469S

143.824012

H30-35427T

143.824022

H30-35426T

143.824022

H30-35426T

143.824042

H30-35431T

143.826012

HM80-155445P

143.826022

HM100-159209R

143.826032

HM80-155433M

143.826042

HM80-155454M

143.826052

HM100-159135K

143.826062

H60-75537S

143.826072

HM80-155424M

143.826092

H60-75538S

143.826102

HM80-155462M

143.826112

H60-75539S

143.826122

HM80-155400M

143.834012

HSSK50-67338L

143.834022

H30-35426U

143.834042

H35-45595T

143.836012

HMSK80-155478R

143.836022

HMSK80-155416R

143.836032

HMSK100-159199S

143.836042

HMSK100-159244S

143.836082

HM80-155487M

143.836092

H60-75537T

143.836102

H60-75538T

143.836112

H60-75469T

143.836122

H60-75539T

143.836132

H60-75554T

143.941000

TVXL220-157245D

143.941001

HMSK100-159244T

143.941001

HMSK100-159244T

143.941002

TVXL220-157205D

143.941003

HMSK100-159261T

143.941004

TVXL220-157215D

143.941005

HM100-159262K

143.941006

TVXL220-157206D

143.941007

HM100-159135L

143.941008

TVXL220-157220D

143.941009

HM100-159262L

143.943001

H30-35426V

143.943003

H30-35431V

143.943005

H30-35450V

143.943009

H30-35453V

143.943009

H30-35453V

143.943501

H35-45655V

143.943502

TVS90-43515K

143.943503

H35-45654V

143.943504

TVS90-43513K

143.943505

H35-45595U

143.943506

TVS90-43215K

143.943507

H35-45657U

143.943508

TVS90-43572K

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

143.943532

TVS90-43700K

143.943800

TVS100-44048F

143.943802

TVS100-44036F

143.943804

TVS90-46030A

143.943806

TVS90-46031A

143.943808

TVS90-46032A

143.943810

TVS100-44043F

143.943812

TVS90-46035A

143.943814

TVS90-46036A

143.943816

TVS90-46037A

143.943818

TVS100-44038F

143.943820

TVS100-44029F

143.943830

TVS100-44046F

143.943832

TVS100-44030F

143.943834

TVS100-44031F

143.943838

TVS100-44033F

143.943842

TVS100-44045F

143.943844

TVS100-44032F

143.944000

TVS105-53163L

143.944002

TVS115-56032B

143.944004

TVS115-56031B

143.944006

TVS115-56033B

143.944008

TVS105-53912L

143.944010

TVS115-56012B

143.944012

TVS115-56010B

143.944014

TVS115-56036B

143.944016

TVS115-56037B

143.944018

TVS115-56016B

143.944022

TVS115-56043B

143.944024

TVS115-56042B

143.944026

TVS105-53913L

143.944028

TVS115-56044B

143.944030

TVS115-56046B

143.944032

TVS115-56912B

143.944034

TVS115-56047B

143.944036

TVS115-56048B

143.944500

TVS115-57020B

143.944502

TVS115-57023B

143.944504

TVS115-57028B

143.944506

TVS115-57030B

143.945000

TVM125-60254P

143.945001

HSSK50-67338M

143.945002

TVS115-61901A

143.945003

HS50-67163H

143.945004

TVS115-61021A

143.945006

TVS115-61022A

143.945010

TVS115-61906A

143.945012

TVS115-61016A

143.945014

TVS115-61002A

143.945016

TVS115-61024A

143.945016

TVS115-61024A

143.945018

TVS115-61026A

143.945020

TVS115-61027A

143.945300

TVS120-63918K

143.945300

TVS120-63918K

143.945302

TVS120-63919K

143.945502

TVS120-63921K

143.945502

TVS120-63921K

143.945504

TVS120-63920K

143.945506

TVS120-63922K

143.945508

TVS120-63923K

143.945510

TVS120-63924K

143.946001

H60-75539U

143.946003

H60-75469U

143.946005

H60-75537U

143.946007

H60-75554U

143.948000

TVXL195-150238C

143.948001

HMSK80-155478S

143.948001

HMSK80-155478S

143.948003

HMSK80-155502S

143.948005

HM80-155487N

143.948007

HM80-155433N

143.948009

HM80-155424N

143.951000

TVM220-157245E

143.951001

HMSK100-159282T

143.951002

TVM220-157206E

143.951003

HM100-159262M

143.951004

TVM220-157215E

143.951005

HM100-159135M

143.951006

TVM220-157205E

143.951008

TVM220-157220E

143.951010

TVM220-157255E

143.953001

H30-35431W

143.953003

H30-35453W

143.953005

H30-35450W

143.953007

H30-35459W

143.953500

TVS90-43576L

143.953501

HT35-45595V

143.953502

TVS90-43513L

143.953503

H35-45654W

143.953504

TVS90-43215L

143.953505

H35-45655W

143.953506

TVS90-43515L

143.953507

H35-45671W

143.953508

TVS90-43700L

143.953509

H35-45657V

143.953510

TVS90-43375L

143.953511

H35-45675W

143.953512

TVS90-43512L

143.953513

H35-45674W

143.953514

TVS90-43514L

143.953515

H35-45661W

143.953516

TVS90-43298L

143.953800

TVS90-46036B

143.953802

TVS100-44029G

143.953804

TVS100-44031G

143.953806

TVS100-44036G

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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