20
45-074, REV. 5/18
Equipment damage hazard.
A chipped pinion shaft will affect machine
performance.
Do not drop the pinion shaft onto a hard
surface or it may chip.
NOTICE
The small bearing cup in the housing and
the large bearing cup in the gear cap will
need to be removed with a bearing puller.
8. Wipe as much grease out of the housing as possible
with a rag and inspect for any foreign particles.
9. The oil seals may now be serviced. Note the orienta-
tion of the seals. (Figure 5-18)
Seals
Housing Cover
Figure 5-18, Pinion Shaft Seals
10. Remove the worm cap and motor adapter. Make note
of any installed shims. Capscrews are installed with
Loctite, so use a long-handled wrench to break them
loose. Use a large screwdriver and hammer to sepa-
rate the worm cap from the housing. Note any installed
shims. (Figure 5-19)
Capscrew
Capscrew
O-Ring
O-Ring
Motor Adapter
End Cap
Shim
Shim
Shim
Coupling
Figure 5-19, Worm Cap/Motor Adapter
Equipment damage hazard.
Damage to the worm cap or housing could
reduce machine performance or void the
warranty.
Do not damage the machined surfaces of
the worm cap and housing.
11. The seal in the motor adapter can now be replaced.
(Figure 5-20)
Seal
Motor Adapter
Figure 5-20, Motor Adapter Seal
12. Using a rubber mallet, lightly tap on the extended end
of the worm gear shaft and remove it through the
housing.
