Slurry Pump
WH202A1B011EN_01D.DOC JAN 04-W08
Care and maintenance
2/5
Table 9.5.5-1 Bearing assembly type colour coding
UNIT TYPE STATUS COLOUR CODE
Standard New build Mid Blue-18.E.53
Double dry-end New build Green
Double wet-end New build Yellow
Standard Reconditioned Red
Double dry-end Reconditioned Red with green band
Double wet-end Reconditioned Red with yellow band
2. Disassembly
a) Remove the flinger (B1) from the wet-end of the bearing cylinder.
b) Support the shaft and bearing assembly vertically on blocks on the end cover
with the impeller thread downwards.
c) Remove the following parts from the dry-end of the bearing cylinder housing
(B14):
• End Cover Screws (B5)
• End Cover (B2.2)
• Primary (B22.2 ) and secondary (B19.2) seals.
NOTE: MAKE A NOTE OF THE NUMBER OF SHIMS FITTED, TO AID ASSEMBLY.
d) Lift out the shaft and bearings.
e) Tap or press off the bearings.
NOTE:THREE-BEARING ASSEMBLIES HAVE AN INNER AND OUTER SPACER FITTED
BETWEEN THE BEARINGS AT THE TWO-BEARING END.
f) Lay the bearing cylinder housing horizontally on vee blocks.
g) Remove the end cover and shims from the wet-end.
h) Wash all parts in a suitable cleaning solvent and dry carefully.
3. Inspection
a) Inspect the bearing housing internally for excessive wear in the area of the roller
bearing outer races. Check that all threaded holes are clear and that the
threads are undamaged.
b) Check for damaged seals. Inspect end covers for damage and ensure that
grease passages are clear.
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