TM 10-4610-241-24
TO 40W4-13-42
3-16.
CENTRIFUGAL PUMP (DISTRIBUTION 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.
Compressed air can blow dust into the eyes. Wear eye protection. Do not exceed 30
psi (107 kPa) air pressure.
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), impeller (6) and cover (2) for cracks and damage.
(2)
Inspect mounting hardware for excessive wear and damage.
d.
Repair.
Replace seals and packing. Replace other parts if unserviceable.
e.
Assembly.
(1)
Position slinger (14) on shaft of motor (17).
CAUTION
Ceramic disk must be installed in cup with smooth, flat surface pointing away from motor
or pump will leak.
(2)
Lubricate rubber cup (16) and install
ceramic disk (15) in cup with smooth side
up as shown.
(3)
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
radically alined with mounting bolts (11).
(4)
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 radically alined.
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