Arb RD81 Manuel d'utilisateur télécharger pdf (Page 21)

4 Installing the Air Locker

4.5.1

Re-Shimming the Backlash

NOTE : This step is only necessary when adjusting for

incorrect backlash.

 Reapply the spreader to the differential housing.

 Remove the bearing caps.

 Remove the differential.

 To decrease the amount of backlash, reduce the shim thickness ‘D’

(Fig. 6.) and increase the shim thickness ‘E’ (Fig10.) by the same

amount. Reverse this step to increase the backlash.

 Remount the differential as before.

 Release spreader tension.

 Check backlash again as before.

4.6

Profiling the Seal Housing Tube

 Completely remove the differential spreader.

 Without using sharp, jagged tools such as pliers (usually your

hands are the best tool for this job), bend the seal housing tube so

that it runs under the ring gear and upwards protruding through the

bulkhead port in the differential housing. (Fig. 12. & Fig. 13.)

 Check that the contour of the tube will not interfere with the Air

Locker or the ring gear.

NOTE : It is a good idea to keep the tube away from the

bearing caps or any other part of the differential

casting as any contact due to vibration or shock may

wear the tube and eventually cause a leak.

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Arb RD81 Manuel d'utilisateur Page 21