ARB RD109 - Manual (Page 13)

3 Installing the Air Locker
11
NOTE : Make sure any grinding dust, filings or drill chips left
behind by cutting the drainage slots is completely
cleaned out of the housing.
Check that the axle air vents are clear and working correctly.
3.2 Installing the Carrier Bearings
Apply a thin film of high pressure grease to both bearing journals of
the Air Locker to prevent seizing.
Using a bearing press or arbor press, press one of the bearing
cones (supplied with the Air Locker kit) onto one bearing journal of
the Air Locker (refer to Figure 5.) until the bearing seats firmly
against the bearing journal shoulder.
Figure 5.
Invert the Air Locker and press the other tapered roller bearing
cone onto the opposite bearing journal of the differential carrier until
the bearing seats firmly against the bearing journal shoulder.
NOTE : Do not add any shims between the bearings and the
bearing seat. Shimming of the Air Locker will be
performed with the supplied shim kits and/or the OE
master shims (if any) on the outside of the carrier
bearings.