55.8.8 DDririve ve uunnit it / R/ Reeppaair ir iinnststruructctioionns / s / RRececononddiititioonnining g of of tthhe ge geeararbbooxx
ATLET SERVICE MANUAL A ERGOATLET SERVICE MANUAL A ERGO
ReconditioninReconditioning of g of the gearboxthe gearbox
Replacing the drive shaft sealReplacing the drive shaft seal
1.1. ReRemomove ve ththe e gegeararbobox, x, seseee “Dismantling and assembling the gearbox page 5.6”“Dismantling and assembling the gearbox page 5.6”..
22.. ReRemomove ve ththe de dririve ve whwheeeell..
33.. ReRemmoovve e tthhe ce coovveerr..
4.4. LoosLoosen the en the screscrews hows holding lding the crothe crown whwn wheel haeel halfwaylfway, and , and drive odrive out thut the shae shaftft
towards the drive wheel side.towards the drive wheel side.
5.5. The scThe screws crews can be fan be fully ully unscreunscrewed wwed when hen the crothe crown wwn wheel heel and band bearinearing hag have cove comeme
free from the shaft. The shaft is free from the shaft. The shaft is pulled out from the drive wheel side. Arrange thepulled out from the drive wheel side. Arrange the
parts in the order they were dismantled to avoid confusion.parts in the order they were dismantled to avoid confusion.
6.6. RemovRemove the e the roller roller bearibearing cng closeslosest to tht to the seae seal by tl by tappinapping the g the shafshaft end t end againagainst ast a
block of hard wood. Sometimes it is easier to remove the bearing if block of hard wood. Sometimes it is easier to remove the bearing if a sharp objecta sharp object
is inserted down between the inner ring of the bearing and the flank is inserted down between the inner ring of the bearing and the flank of the shaft.of the shaft.
Any burrs on Any burrs on the shaft must be the shaft must be removed before reassemblyremoved before reassembly..
7.7. CareCarefulfully clly clean tean the sehe seat foat for sear seal bol box in thx in the geae gear hour housinsing.g.
8.8. When When asseassemblinmbling, tg, the fhe first birst bearinearing is g is placplaced oed on tn the dhe drive rive wheewheel sidl side.e.
9.9. Fit tFit the she safety afety ring ring and and seal in seal in posiposition. tion. Make Make that it that it sits sits correcorrectlyctly..
10.10. Fit the gFit the guard uard and theand then caren carefully pfully press in ress in the drthe drive shive shaft.aft.
1111.. Now assNow assemble the cemble the crown wherown wheel and beel and bearingaring. Start with th. Start with the spacee spacer.r.
12.12. Apply LoApply Loctite 207 on thctite 207 on the shaft threae shaft threads and scds and screw togetrew together the comher the complete drivplete drive shafte shaft
assembly with the washer and sassembly with the washer and screws. The screws should be tightened to thecrews. The screws should be tightened to the
tightening torque specified in the table in section 1.tightening torque specified in the table in section 1.
13.13. Fit the coverFit the cover. Remember . Remember that the drain that the drain hole shouhole should be the lold be the lowest point. west point. Use a newUse a new
seal. Screw in seal. Screw in the oil drain plug with the oil drain plug with a new copper washer.a new copper washer.
14.14. Fill with hFill with hypoiypoid oil. See d oil. See the tablthe table of recome of recommendmended oilsed oils, sect, section 1.ion 1.
Assembly of gearboxAssembly of gearbox
1.1. PrePreparparatiation on of tof the ghe gearearbox box houhousinsing (sg (see fee figuigurere 5.25.2))
1.1. CaCarerefulfully cly clelean tan the he gegeararbobox hox housusining.g.
2.2. Fit Fit bebearinaringsgs, po, pos. s. 1, 2 1, 2 and and 3 in 3 in thetheir pir posiositiotions.ns.
3.3. Fit Fit the the safsafety ety rinring, g, pospos. 4. 4, in , in its its pospositioition.n.
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