TM 10-4610-240-24
TM 08580C-24/2
TO 40W4-13-22
3-32.
CENTRIFUGAL PUMP (BOOSTER) MAINTENANCE.
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)
Strap Wrench (Appendix B, Section III, Item 3).
Materials/Parts Required
Drycleaning Solvent (Appendix C, Section II, Item 28)
Detergent (Appendix C, Section II, Item 10).
Lockwasher (4) - MS35338-141
Gasket - 500-398
O-ring - 511-044
Seal - 500-976
Equipment Condition
Reference
Centrifugal (booster) pump assembly removed (para. 2-67).
General Safety Instructions
WARNING
Drycleaning solvent P-D-680 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.
DISASSEMBLY
a.
Remove four screws (13), cover (12), and gasket (11).
b.
Remove cap (1) and insert screwdriver in shaft slot (2).
c.
While holding shaft with screwdriver, remove impeller (9) and mechanical seal (8).
d.
Remove seal (10) from impeller (9).
e.
Remove four cap screws (6), from bracket (5).
f.
Rotate bracket (5) and remove bracket from casing (7).
g.
Remove remaining parts of mechanical seal (8) from casing (7).
h.
Remove slinger (4) from shaft of electric motor (3).
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