Cleaning. - TM-55-1930-208-240035

TM 55-1930-208-24

3-10. BILGE PUMP AND PIPING-Continued.

c. Cleaning.

WARNING

Do not breathe cleaning solvent P-D-680 vapors for long periods of time or use solvent

near open flames. To avoid illness, explosion, or fire, only use solvent in well-ventilated

areas away from open flames.

(1) Clean all parts with cleaning solvent (item 4, Appendix C).

(2) Allow parts to dry.

d. Inspection.

(1) Inspect all parts for evidence of wear or damage.

(2) Examine the neoprene diaphragm for cracks, breaks, or evidence of wear.

e. Repair. Repair of the bilge pump is accomplished by the replacement of defective parts.

f. Reassembly.

(1) Refer to figure 3-8 and assemble the plunger bottom (21), diaphragm (22), top plunger (20), and cross

head (19) in the pump pot (23). Secure with two bolts (18) and two nuts (17).

(2) Assemble the upper valve keeper (16), suction valve (15), valve weight (14), and valve washer (13).

Secure with two screws (12).

(3) Assemble the lower valve washer (11), suction valve (10), valve weight (9), and valve keeper (8). Install

the assembly in the pump base with two screws (7).

(4) Fasten the upper pump to the base (6) with four bolts (5) and four nuts (4).

(5) Install lever socket (3) on the pump and secure with bolt (2) and two nuts (1).

g. Installation.

(1) Refer to figure 3-7 and assemble the two elbows (8), five pipes (7), and two unions (6).

(2) Install the foot valve (5) on the lower end of the pipe line.

(3) Affix gasket (4) to the bilge pump mounting flange and secure the pump (3) to the pipe line with two bolts

(2) and two nuts (1).

3-18