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INSTRUCTION MANUAL
WARNING : BEFORE PULLING THE PUMP, DISCONNECT ALL CABLES AND
!
ENSURE THAT THE PUMP IS ISOLATED FROM THE POWER SUPPLY.
WARNING : ALWAYS LIFT THE PUMP BY THE LIFTING LUGS, NEVER BY
!
THE MOTOR CABLE.
WARNING : WHEN LIFTING THE PUMP, USE APPROPRIATE CRANE (OR
!
HOIST) AND LIFT SYSTEM.
CHECK POSITION AND TIGHTNESS OF LIFT SYSTEM SO THAT WEIGHT OF
THE PUMP IS NOT UNBALANCED.
FAILURE TO OBSERVE THIS PRECAUTION CAN RESULT IN SERIOUS
ACCIDENTS.
6.3.1 Steps for Lifting Pump
(1) Remove the floor plate. Hook the lifting chain on the hoist or motor-driven
chain block.
(2) Simply lift the whole pump body slowly as that is all that is required for lifting
the pump.
It is not necessary to empty the pump pit, or remove any bolts.
(3) If the guide pipe is deposited with dirt and the pump cannot be slip up along it
smoothly, do not lifting using force but clear the pipe of dirt with a stick, etc.
6.3.2 Inspection Procedure
(1) Appearance check
Check the impeller, cables, bolts and nuts, external surface conditions for
abnormal conditions.
CAUTION : THE SEAL CHAMBER MAY BE UNDER PRESSURE. HOLD A
!
RAG OVER THE OIL PLUG TO PREVENT SPLATTER.
(2) Mechanical seal (upper)
(a) Lift the pump out of the pump pit by lifting procedure described above, and
(b) If neither oil nor water leaks form the "leak check", the mechanical seal
PM32U
stand it on the floor in a vertical position. Unplug the "leak check" in the
intermediate casing of the pump.
(upper) is in satisfactory condition.
P.24
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