TM 10-4610-241-24
TO 40W4-13-42
3-12.
CENTRIFUGAL PUMP ( RAW WATER PUMP) REPAIR.
This task consists of:
a.
Disassembly
b.
Cleaning
c.
Inspection
d.
Repair
e.
Assembly
INITIAL SET-UP:
Tools Required
General Mechanics Tool Kit (Appendix B, Section III, Item 4)
Stiff-Bristled Brush (Appendix B, Section III, Item 4)
Strap Wrench (Appendix B, Section III, Item 3)
Goggles (Appendix B, Section III, Item 4)
Materials/Parts Required
Solvent, Drycleaning (Appendix C, Section II, Item 18)
Detergent (Appendix C, Section II, Item 5)
Grease, Silicone (Appendix C, Section II, Item 10)
Gaskets, Seals and Lockwashers (TM 10-4610-241-24P)
Equipment Condition
Reference
Centrifugal Pump Assembly removed (Paragraph 2-20).
General Safety Instructions
WARNING
Drycleaning solvent, P-D-680, C1 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 (207 kPa) air pressure
a.
Disassembly.
(1)
Remove four screws (1) and lockwashers (2) and separate pump case (3) from adapter (20).
(2)
Remove packing (6), diffuser (5), gasket (4), and dowel pins (7).
CAUTION
When inserting screwdriver into screwdriver slot on motor shaft use
caution to prevent damage to motor fan.
(3)
Insert a large blade flattip screwdriver in
screwdriver slot on shaft of motor (24) to
keep it from turning and remove screw (8)
and washer (9). Unscrew impeller (10),
using a strap wrench.
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