ARB RD109 - Manual (Page 27)

3 Installing the Air Locker
25
3.11 Profiling the Seal Housing Tube
Completely remove the differential spreader.
Without using sharp, jagged tools such as pliers (usually your
hands are the best tool for this job), gently bend the seal housing
tube so that it runs along the inside of the differential housing as
shown in Figure 16.
Figure 16.
NOTE : It is also a good idea to keep the tube away from the
bearing caps or any other part of the differential
casting as any contact due to vibration or shock may
wear the tube and eventually cause a leak.