Slurry Pump
WH17AM1AAA0EN_04B.DOC JAN 04-W08
Care and maintenance
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c) Unscrew the jack screws completely.
d) Remove the case shim sets (P3).
e) Reduce the gap between the bearing frame flanges and base/case support
(P13) by evenly tightening two diametrically opposite case nuts (P1) and bolts
(P4) until impeller (W3) touches case (W1).
f) Measure the gap between the bearing frame and the base/case support .
Assemble case shims to a thickness just greater than the gap measured.
g) Slacken off the two case bolts. Retract the bearing frame slightly and fit the
shims.
h) Tighten case nuts (P1) and bolts (P4) evenly to the required torque loading.
Check that the impeller rotates freely. Add shims as necessary if the impeller
fouls the case after tightening.
NOTE: IMPELLER SHOULD BE AS CLOSE TO THE CASE AS POSSIBLE WITHOUT FOULING IT.
i) Tighten bearing frame screws (P11) to the required torque.
6. If fitted, reset the mechanical seal.
7. Re-connect the drive belt or half coupling as applicable making sure that the drive is
aligned correctly. Adjust as necessary to obtain the correct alignment.
8. Fit all safety guards.
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