ARB RD32 - Manual (Page 20)

4 Installing the Air Locker
18
4.6 Marking the Bearing Cap for Tube Clearance
With the Air Locker in place and less than 0.5mm of backlash, an
accurate measurement for the seal housing tube clearance can be
made.
NOTE : Take time and double check when taking your
measurements, as bearing caps are custom fitted to
the axle housing and cannot be replaced.
c With the seal housing tube pointing straight out, measure the
distance from a fixed position inside the differential housing to the
center of the seal housing tube. (Fig.10.)
Figure 10.
c Record your findings and recheck for accuracy.
c Remove the bearing cap from the ring gear side of the differential.
c Remove the Air Locker from the differential housing.
c Install the seal housing side bearing cap and hand-tighten the
bearing cap bolts.
NOTE : It is very important to make sure the punch marks
made on the differential housing while removing the
differential are matched to the punch marks on the
bearing cap. The bearing cap must be replaced
exactly as it was removed. (Refer to section 2.4)