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DATACENTER ERROR!!! Внимание! Авария в датацентре!!


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Diagnosis and repair



1.Apply a suitable multi-purpose long-life lubricant to side gear thrust washers, hub, thrust face of side gears, pinion mate gears and spherical washers.
2.Hold side gears in place in case, then install pinion mate gears and spherical washers.
3.Rotate side gears until holes in washers and pinion mate gears align with holes in case. If gears cannot be rotated by hand, install one of the axle shafts into side gear spline and use a pipe wrench to turn shaft.
4.Use a drift to align holes, then insert pinion mate shaft and drive into case to remove drift, ensuring lockpin hole in shaft aligns with lockpin holes in case.
5.Insert lockpin, then peen some metal of case over pin to lock it into place. The semi-float shaft riding bearing design uses a lockpin that is installed using a 12 point socket. Use a new lockpin and assemble finger tight. This prevents differential side gears and differential pinion mate gears from rotating in the case and dropping out when servicing the carrier section. A new lockpin should be installed after assembling the axle shafts.
6.If applicable, install exciter ring as follows:
a.Align tab in exciter ring with slot in differential case, then thread two ring gear bolts through case into ring gear to ensure bolt hole alignment. Tab on exciter ring must be aligned with slot in differential case.
b.Press exciter ring and ring gear onto differential case. Ring gear acts as a pilot for exciter ring.
c.Apply thread lock and sealer E0AZ-19554-AA or equivalent to new ring gear bolts.
7.Attach ring gear to differential case using new bolts, then torque bolts alternately and evenly to specifications.
8.Clean trunnions on differential and install bearings onto differential case. Remove all burrs and nicks from hubs so bearings rotate freely.

{tag}997096676@

9.Place differential case into carrier (without pinion). Differential case should move freely in carrier assembly. Position a suitable dial indicator against differential case flanges. Locate tip of indicator on flat surface of one ring gear bolt, Fig. 7. Force differential case toward dial indicator as far as possible and zero dial indicator with force still applied. Dial indicator should have a minimum of .200 inch. Force differential case away from dial indicator as far as it will go. Repeat this procedure until same reading is obtained. Record dial indicator reading as measurement ``A on a worksheet for calculating ring gear backlash and differential bearing preload shims. This reading indicates amount of shims needed behind differential side bearings to take up total clearance between differential bearing cup and carrier. This reading will be used during ``Pinion & Ring Gear Backlash.
10.
Remove differential case from carrier. Do not remove differential case bearings at this time.
1.Apply a suitable multi-purpose long-life lubricant to side gear thrust washers, hub, thrust face of side gears, pinion mate gears and spherical washers.
2.Hold side gears in place in case, then install pinion mate gears and spherical washers.
3.Rotate side gears until holes in washers and pinion mate gears align with holes in case. If gears cannot be rotated by hand, install one of the axle shafts into side gear spline and use a pipe wrench to turn shaft.
4.Use a drift to align holes, then insert pinion mate shaft and drive into case to remove drift, ensuring lockpin hole in shaft aligns with lockpin holes in case.
5.Insert lockpin, then peen some metal of case over pin to lock it into place. The semi-float shaft riding bearing design uses a lockpin that is installed using a 12 point socket. Use a new lockpin and assemble finger tight. This prevents differential side gears and differential pinion mate gears from rotating in the case and dropping out when servicing the carrier section. A new lockpin should be installed after assembling the axle shafts.
6.If applicable, install exciter ring as follows:
a.Align tab in exciter ring with slot in differential case, then thread two ring gear bolts through case into ring gear to ensure bolt hole alignment. Tab on exciter ring must be aligned with slot in differential case.
b.Press exciter ring and ring gear onto differential case. Ring gear acts as a pilot for exciter ring.
c.Apply thread lock and sealer E0AZ-19554-AA or equivalent to new ring gear bolts.
7.Attach ring gear to differential case using new bolts, then torque bolts alternately and evenly to specifications.
8.Clean trunnions on differential and install bearings onto differential case. Remove all burrs and nicks from hubs so bearings rotate freely.

Fig. 7 Total Differential Case Endplay CheckFig. 7 Total Differential Case Endplay Check


9.Place differential case into carrier (without pinion). Differential case should move freely in carrier assembly. Position a suitable dial indicator against differential case flanges. Locate tip of indicator on flat surface of one ring gear bolt, Fig. 7. Force differential case toward dial indicator as far as possible and zero dial indicator with force still applied. Dial indicator should have a minimum of .200 inch. Force differential case away from dial indicator as far as it will go. Repeat this procedure until same reading is obtained. Record dial indicator reading as measurement ``A on a worksheet for calculating ring gear backlash and differential bearing preload shims. This reading indicates amount of shims needed behind differential side bearings to take up total clearance between differential bearing cup and carrier. This reading will be used during ``Pinion & Ring Gear Backlash.
10.
Remove differential case from carrier. Do not remove differential case bearings at this time.



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