TM 10-4610-241-24
TO 40W4-13-42
3-37.
CENTRIFUGAL PUMP (BOOSTER PUMP) REPAIR - continued.
b.
Cleaning.
WARNING
Drycleaning solvent, P-D-680, Cl II, is highly toxic and can ignite organic
materials, nitrates, carbides, and chlorates. Wear eye, skin, and respiratory
protection. Use in a well-ventilated area.
a.
Using drycleaning solvent, clean outside of casing (13), cover (2) and bracket (12).
b.
Using wire brush, clean rust and corrosion from casing (13), cover (2) and bracket (12).
c.
Using mild soap solution, wash impeller (6) and inside of casing (13).
c.
Inspection.
(1)
Inspect casing (13) and impeller (6) for cracks and damage.
(2)
Inspect mounting hardware for excessive wear or other damage.
d.
Repair.
Replace packing, seals and gaskets. Replace other components if unserviceable.
e.
Assembly.
(1)
Install slinger (14) on long shaft of motor (17).
CAUTION
Ceramic seal must be installed in cup with smooth, flat side pointing away from motor or pump will leak
(2)
Lubricate rubber cup (16) and install ceramic
disk (15) in cup with smooth side up. Install
rubber cup (16) with disk (15) in casing (13).
NOTE
When pump casing is installed, outlet port must be pointing up and studs should
be radially alined with mounting bolts (11).
(3)
Position studs of casing (13) in wide part of slots on bracket (12) and turn casing clockwise (as viewed from
pump side) until studs and holes for screws (6.) are radially alined.
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