Pre-load + end float = shim pack, 4 installing the air locker, Drilling and tapping the bulkhead port – ARB RD137 User Manual
Page 17

4 Installing the Air Locker
15
c Add the specified pre-load amount to the measurement taken with
the feeler gauge to determine a shim amount for ‘E’ in Figure 6.
PRE-LOAD + END FLOAT = SHIM PACK
c Select suitable shims from the shim kit supplied with your Air
Locker to make up a shim pack of this thickness. (Refer to section
3.2 for methods of shim adjustment).
4.5
Drilling and Tapping the Bulkhead Port
An air line port must be drilled and tapped through the differential
housing to mount the bulkhead fitting into.
c Mark a spot on the exterior of the differential housing toward the top
in an area that will be well clear of the Air Locker body, the ring
gear, and any other obstructions that could snag the seal housing
tube. (Fig.8.)
Figure 8.
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