Disassembly -706880404

TM 5-4210-233-14&P-1

4-57. PRIMING PUMP-Continued

Disassembly.

NOTE

Before disassembling pump for repairs, be sure to clean its

exterior. Make sure the working space, benches, and tools are

clean. Use only clean, lint free cloths to wipe off components.

(1)

Remove two bolts (5).

(2)

Remove front head (6).

(3)

Remove and discard O-ring (7) and shaft bearing (8).

(4)

Remove rotor with shaft assembly (9) and vanes (10). Discard vanes.

(5)

Remove and discard shaft bearing (11).

(6)

Remove cylinder (12) and shims (13) from rear head (14). Discard shims.

NOTE

Repair kit includes O-ring (7), shaft bearing (8), vanes (10),

shaft bearing (11), and shims (13).

Cleaning and Inspection.

WARNING

Dry cleaning solvent P-D-680 is potentially dangerous. Avoid

repeated and prolonged breathing of vapors and skin contact

with the liquid. Do not use near open flame, arcing equipment

or other ignition sources. Always wear eye protective clothing.

The flash point of P-D-680 is 1 00 to 138 deg. F (38 to 59 deg.

C).

(1)

Clean all parts with dry cleaning solvent (Item 3, Appendix E).

WARNING

Death or serious injury could occur if compressed air is directed

against the skin. Do not use compressed air for cleaning or

drying unless the pressure is/has been reduced to 30 psi (2.11

kg/cm ) or less. When working with compressed air, always use

chip guards, eye protection, and other personal protective

equipment.

(2)

Dry all parts with compressed air.

(3)

Examine parts for cracks, severe corrosion, or other damage. Replace defective parts.

4-275