Toro 8125 Скачать руководство пользователя страница 23 | Manualshive

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Содержание 8125

Страница 1: ...ley cover SAFETY WARNING Disconnect the spark plug lead Remove two screws and lift cover off Fig 2 Fig 2 With the engine operating at 3200 rpm the ground speed can becontrolled to operate at 2 4 2 6 2 8 3 0 or 3 2 mph MODEL 8125 SERVICING AND REPAIR CHANGING GROUND SPEED Fig 3 Loosen the nut on the idler pulley bracket which will release the tension on the belt Removethe nut and thickwasher fromth...

Страница 2: ...The lower half of the pulley iskeyed to the driven shaft in the transmission Fig 6 After the ground speed has been selected assem ble the top half of the pulley onto the shaft Fig 7 Fig 7 Slide the pulley down making sure the two halves are assembled correctly Fig 8 Fig 6 Fig 8 Place the extraspacers on top of the pulley assem ble the washer and nut Tighten the nut Fig 9 Fig 9 20 2 SERVICE BULLETI...

Страница 3: ...ed off the driven pulley or you can separate the pulley to remove it Fig 10 A Fig 10 B BELTREPLACEMENTPROCEDURES A special beltis used to drive the transmission It was specially designed and manufactured for use only on this mower NOTE Useonly the belt available fromLawn Boy No other belt will function properly on this mower SAFETY WARNING Disconnect the spark plug lead Fig 12 It isnecessary to re...

Страница 4: ...e removing these bolts Don t let it drop Fig 16 Place the new belt over the drive pulley and set engine back onto the muffler plate Fig 17 Fig 14 Don t disturb the new exhaust gasket when putting Lift the engine up and remove the old belt Also remove the old exhaust gasket and dispose of it the engine in place Fig 17 Fig 15 ...

Страница 5: ...muffler screws with LOCQuic Primer Part 385884 Apply OMC Ultra Lock Part 388517 to the threads Assemble the muffler crankshaft support flange down and start the three screws Fig 18 Fig 20 Tighten all four engine mounting bolts to150 190 in Ibs 11 15 ft Ibs Slide crankshaft support gauge Part 609968 over the crankshaft with the thin wall of gauge going between the support and crankshaft Fig 21 Fig ...

Страница 6: ...Aloosefastenercanbecomea thrown object Assemble thebeltonthe drive pulley of the cranksha ft With the idler pulley bracket loose the belt should assemble over the driven pulley very easily Fig 24 Fig 24 Move the idler pulleys to apply tension on belt Cor rect tension will be approximately 3 8 deflection with firm finger pressure Fig 25 Rotate engine several times to seat beltin grooves Recheck bel...

Страница 7: ...Fig 27 Fig 29 BULLETIN REFERENCES 20 7 OCTOBER 1984 ...

Страница 8: ...the lower side of the transmission Fig 32 6 Fig 30 Every 50 hours of operation the rear wheel bolts should be lubricated Removeand clean the wheel bolt liberally oil the bearing and each felt washer and reassemble Fig 31 Fig 32 A Fig 32 6 Should it be necessaryto add lubricantto transmis sion watch for an upward movement ofthe clutch armwhen putting greasein Whenmovement is noted stoptheflowoflubr...

Страница 9: ...ers and detach the han dle from the brackets Lay the handle down over front of mower Fig 34 Remove the driven pulley assembly from the transmission Fig 36 Fig 36 Removethe 7 16 nut from long transmission bolt that retains the clutch cablebracketandspring assembly to transmission Lift thebracket springs andarmassembly offtransmission Lay to one side Fig 34 Remove two screws and lift cover off Fig 3...

Страница 10: ... the hole and around the square shaft of the shift fork It willhave to be removed from the hole Fig 38 Remove the rightrear wheelbolt with a 314 socket Fig 38 To free the transmission from the housing remove the shoulder bolt and nut Fig 39 Fig 39 Fig 40 Using a pair of expansion pliers removethe retain ing ring from end of shaft Fig 41 Fig 41 ...

Страница 11: ...theshoulderofthegear moves up againstthe key which provides the self propelling This willbe found on both rear wheels Fig 42 When removing the gear from the shaft bevery careful because thekey being spring loaded can pop out and be lost The spring also can become lost Fig 43 Fig 43 Behind the pinion gear is another retaining ring Remove it and slide the wheel cover off Remove the leftwheel pinion ...

Страница 12: ... 48 Fig 48 Unless there is leakage from around the seals or gasket or a failure internally it willnot have to be disassembled Fig 46 The plastic bearingretainers are in twohalves One half has a lug or tab that locatesin therecess of the other half The slots permit lubrication to flow into the holes of the bronze bearing NOTE The bearing andplastic retainerassembly may be installed in bracket hub a...

Страница 13: ... Assembly Fig 51 and bearing Fig 52 1 Bearing Seal Assembly 10 DrivenPlates 7 2 Thrust Race Thin 11 Driven Sleeve 3 ThrustBearing 12 Pin 4 Thrust Race Thick 13 ShiftCollar 5 Washer Worm Wheel 14 Shift Fork 6 Worm Wheel 15 0 Ring Retainer 7 Snap Ring 16 Transmission Packing 8 Driver 17 Transmission Gasket 9 Driver Plates SERVICE BULLETIN REFERENCES 20 13 OCTOBER 1984 ...

Страница 14: ...plates Ref 2 and seven driven plates Ref 3 Fig 54 Starting with a driven plate place itinthe housing Next assemble a driver plate then a driven and continue alternating with every other one being a driver plate and the last one being a driven plate Assemble the driven sleeve Ref 4 Fig 54 into the plates turn ing so it willgo all theway down If it has engaged all of the driven plates it will be ful...

Страница 15: ...rs slide Assemblelarge spacer washer into recess ofworm it onto shaft Assemble pin in hole and slide wheel Fig 59 assembly over the pin Fig 56 Assemble worm wheel onto the spline Fig 58 Fig 58 SERVICE BULLETIN REFERENCES 20 15 OCTOBER 1984 ...

Страница 16: ......

Страница 17: ...arcase Turn a few revolutions to check its freedom Fig 67 Fig 67 NOTE Only Lawn Boytype A grease is approved for use in this transmission assembly If another lubricant is used it will result ina failure of the transmission Fill the lower gearcase with Lawn Boy type A grea se until it islevel with gasket surface Fig 68 Fig 68 Assemble a new gasket and set cover in place Fig 69 NOTE There aretwo ass...

Страница 18: ...20 in Ibs then cross over to the opposite corner and tighten to 20 in Ibs Tighten the other one on same side to 20 in Ibs and the fourth one the same Check the rotationof the shaft in bothdirections If o k use the same procedure in tightening all boltsto 35 45 in Ibs Recheck shaftrotation Fig 72 Fig 70 Run all four nuts on short bolts up snug against housing Fig 71 Fig 72 Slip the shaft into the s...

Страница 19: ... bolts and start the nuts Tighten to 142 170 in Ibs 12 15 ft Ibs Fig 75 SERVICE BULLETIN REFERENCES OCTOBER Before installingthe wheel cover ontheshaft apply Lawn Boytype A grease in the groove This grease stops dirt and debris from entering the gear area of the wheel Fig 76 Fig 76 Assemble the washer the retaining ring and the spacer onto the shaft Fig 77 Fig 77 Apply Lawn Boy type A grease to th...

Страница 20: ...rivingshoulderinsidethegear should come against the key and stop the rotation If it doesn t function as describedabove you have assembled it backward Remove the gear very carefully toprevent losing thekey and spring and turn thegear end forend and reassemble it Fig 80 Apply a film of Lawn Boy oil tothe wheel bolts Fig 81 A Assemblethe wheel and tighten the bolt Also apply a generous amount of Lawn...

Страница 21: ...retainercup on the square shift fork shaft The open side mustbe facing up Fig 84 Fig 84 Fig 86 Slide the clutch arm onto the shift fork shaft and press it into place It will require effort to push it down due to theresistance of the 0 ring Fig 87 Fig 87 Assemble the 0 ring onto the hub of the clutch arm Fig 85 Fig 85 SERVICE BULLETIN REFERENCES 20 21 OCTOBER 1984 ...

Страница 22: ...l it tight The se cond tiewrap should be placed approximately half way down the lower handle The third tie wrap should be positioned at the bottom of the lower handle approximately 2 3 inches from the handle bracket Fig 90 Fig 90 It requires two 1 2 open end wrenches to adjust the clutch Before making adjustments move the controlhandlebackandforth 3or 4 timesand check the connection of the cable s...

Страница 23: ...est the mower for engine speed carburetor ad ping time Engine speed shouldbe 3100 3300rpm at high speed and 2400 2600 rpm at low speed It should run smooth and even and start within two pulls The blade must stop within three seconds justments transmissionoperation andbladestop Fig 92 SERVICE BULLETIN REFERENCES 2 0 2 3 OCTOBER 1984 ...

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