Arb RD158 Manuel d'utilisateur télécharger pdf (Page 20)

4 Installing the Air Locker

4.7 Checking the Backlash



Set a depth indicator on one of the ring gear teeth as in

Figure

11.



While supporting the pinion gear by holding the drive shaft, rotate

the differential in both directions while observing the maximum

variation in depth from the indicator (i.e., the highest value minus

the lowest value). This value is referred to as the ring and pinion

backlash.



Rotate the differential center 90° and measure again for accuracy.

Figure 11.



Refer to your vehicle service manual for the specified maximum

and minimum amounts of backlash. If the backlash is not within the

specifications then the differential will have to be removed and re-

shimmed.

4.7.1 Re-Shimming the Backlash

NOTE : This step is only necessary when adjusting for

incorrect backlash.



Remove the bearing caps.



Remove the differential as before.

NOTE : Never spread the housing on the aluminum models.

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Arb RD158 Manuel d'utilisateur Page 20