MAINTENANCE
47
15.
Install the (new) O-ring (A) in the pump shaft.
16.
At the back of the pump housing, use circlip
pliers to install the circlip (A) in the groove of the
pump shaft (B).
17.
Make sure that the (new) coupling bush (A) has
an inner circlip (C) at the front end and an outer
circlip (A) at the back end.
18.
If necessary, slightly grease the output shaft of
the gearbox and position the (new) coupling
bush on it. Use a plastic hammer to gently tap
the coupling bush until the inner circlip touches
the front end of the output shaft.
19.
Grease the outer teeth (B) of the coupling bush
with graphite grease.
A
A
B
Circlip (A) locks the inner ring of
the bearing.
C B A
