ARB RD106 - Manual (Page 32)

4 Installing the Air Locker
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NOTE : Excessive tightening of the center compression nut is
not necessary to form a good seal around the tube
and may damage the O-ring, the seal housing tube, or
the threads of the compression nut.
NOTE : Make sure the seal housing tube is all of the way into
the center compression nut while you are tightening.
4.12 Reinstalling the Axles
Reinstall the axles and brake assembly according to the guidelines set
forth in your vehicle manufacturers service manual.
NOTE : Be careful not to damage the axle oil seals with the
spline of the axle when inserting them.
NOTE : If you have semi-floating axle shafts then carefully
check the axle end float to make sure you have
correctly installed the thrust block.