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25
PI Operation Manual
6.2 INSPECTION AND CLEANING
1. Thoroughly clean all parts with kerosene or equivalent and dry all parts with compressed air or
a clean, lint free cloth.
2. Inspect all components for corrosion, erosion, pitting, and scoring. If required, replace with
WDM Pumps O.E.M. genuine replacement parts.
a. Visually check all individual parts for any damage.
b. Check the casing for wear.
c. Check the impeller for wear.
d. Check the radial clearance for wear.
e. Check all auxiliary piping.
f. Check for sealing elements.
g. Check the bushing.
h. Check for transmission elements of the coupling.
6.3 REASSEMBLY
6.3.1 PI Mechanical Seal Option
Please follow the steps detailed on this section to reassemble the PI Mechanical Seal pump. To
reassemble the PI Packing pump refer to
SECTION 6.3.2
– PI Packing Option.
Reassemble as follows:
Observe the plant’s safety precautions when lifting heavy components. Request help when
moving or positioning them.
Mounting of bearings should be carried out in a dry, dust free area away from
metal working or other machines producing shavings and dust to avoid contamination of bearings.
