ARB RD137 - Manual (Page 24)

4 Installing the Air Locker
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c Check that leaky fittings have been adequately tightened.
NOTE : Do not overtighten fittings.
c Disassemble, clean threads, and reapply thread sealant if leaking
persists.
c If a leak is found at the seal housing, carefully remove the seal
housing assembly and examine the O-rings. Be very careful with
the O-rings and check for defects, damage, wear, or presence of
foreign material in the O-ring grooves. Replace if necessary.
4.12 Reinstalling the Differential and Axles
c Insert both axles fully into the housing, engaging the splines, and
then gently tap them inwards.
NOTE : Be careful not to damage the axle shaft oil seals when
installing the axles. Support the axle’s entire weight
where possible.
c Using an appropriate sealant or gasket, reinstall the cover plate.
c Reinstall the differential housing to the vehicle according to your
vehicle service manual.
c Reinstall the drive shaft.
c Reinstall the CV joints to the axles.