Bearings - Removal And Refitting - ABS XFP 80C-CB1 PE22/4-C-50 Workshop Manual

7 Bearings - Removal and Fitting
325
67
ABS submersible sewage pump XFP 80C - 150E
Bearing assembly removal
Remove volute, bottom plate, impeller and mechanical seals
(see pages 8, 9 & 10).
273
Note: drain oil from oil chamber and motor chamber before
removal of the mechanical seals (see page 14).
Remove screws (325) securing bearing housing
96
to motor housing.
Loosen bearing housing (67) from motor housing by leverage
with screwdrivers in slots under screw locations (a).
329
Unplug DI plug (208) from DI probe (109) in bearing housing.
Lift bearing housing assembly from motor housing, taking
care not to damage stator windings as rotor shaft is
withdrawn.
Remove O-ring (46) from motor housing bearing bore and
inspect for damage.
Bottom bearing removal:
Remove circlip (273) to release rotor shaft.
(a)
Tap bearing from housing using bearing press tool (Sec
12.5).
Upper bearing removal:
109
Secure rotor shaft in workbench vice.
Remove bearing using bearing pullers.
208
Fitting
80
Bottom bearing to bearing housing
After inspection for damage, clean and lubricate the bearing
location area in the bearing housing, and the O-rings (80 &
329).
Sit bearing housing in support fixture (sec 13.6) with
underside facing upwards.
Fit bearing loosely in lower bore.
Sit bearing press tool on bearing.
Carefully position assembly directly under hydraulic press
ram.
Press bearing into bearing housing.
Upper bearing and bearing housing to shaft
Sit bearing housing over bottom bearing support fixture (Sec
12.7).
Lubricate shaft and insert into bearing housing.
Fit upper bearing on shaft.
Carefully position assembly directly under hydraulic press
ram.
To align assembly, press slightly until contact and release.
Press again until shaft is fully home in both bearings.
Refit circlip (273).
Refit O-rings (80) and (329).
Bearing assembly to motor housing
Lubricate and fit O-ring (46) to motor housing bearing bore.
Align DI probe in bearing housing with cable entry in motor
housing and partially slide in shaft to allow reconnection of
DI plug/cable.
Push assembly in fully and fit screws (325).
Gradually tighten screws, alternating equally between each,
until bearing housing assembly is fully home and secured
Refit upper and lower mechanical seals.
Refill oil chamber and motor chamber.
Refit volute, impeller and bottom plate.
Workshop Manual 11