3 Installing the Air Locker
22
3.12.1
Re-Shimming the Backlash
NOTE :
This step is only necessary when adjusting for
incorrect backlash.
c
Remove the bolts from the clamshell housing.
c
With the shallow half of the clamshell sitting firmly on a horizontal
surface, lift off the deep half of the clamshell.
c
Gently lift the
Air Locker
straight upward out of the seal housing in
the shallow half of the clamshell.
c
Remove the center compression nut from the bulkhead fitting.
(Fig.12.)
c
Pull the seal housing tube free of the bulkhead fitting.
NOTE :
This may require rotating the seal housing slightly.
c
Using an arbor press or bearing press, press out the seal housing
assembly and the bearing cup from the deep half of the clamshell.
c
To decrease the amount of backlash, reduce the shim thickness ‘
D
’
(Fig.3.) and increase the shim thickness ‘
E
’ (Fig.5.) by the same
amount. Reverse this step to increase the backlash.
c
Reinstall the
Air Locker
into the differential assembly.
c
Check backlash again as before.
