TM 10-4510-207-14
5.2. DIAPHRAGM (DRAIN) PUMP ASSEMBLY REPAIR.
This task covers: a. Disassembly b. Assembly
INITIAL SETUP
Tools:
Equipment Conditions:
General Mechanics Tool Set (Appendix B, Section III,
Diaphragm (drain) pump assembly removed, paragraph 4.16.
Item 1).
Materials/Parts:
General Safety Instructions:
Lock Washers (10) (Appendix G, Item 11)
WARNING
Lock Washers (4) (Appendix G, Item 12)
Lock Washers (4) (Appendix G, Item 13)
High voltage is used in the portable shower
Sealing Washers (2) (Appendix G, Item 14)
module. Care must be taken to avoid personal
Multipurpose Grease (Appendix E, Item 3)
injury or death from energized circuits.
NOTE
Repair in limited to replacement of defective, missing, or damaged
components. Disassemble only to the extent necessary to repair the
item.
Refer to figure 5-3.
a.
Disassembly.
(1) Remove four nuts (1), lock washers (2), screws (3), and pump base (4). Discard lock
washers.
NOTE
Note orientation of discharge chamber and check valve assembly for use during
assembly.
(2) Remove four nuts (5), screws (6), discharge chamber (7), and carefully remove check valve
assembly (8) for use during assembly. If heck valve assembly is damaged, discard it.
(3) Remove four nuts (9), screws (10), suction chamber (11), and carefully remove check valve
assembly (12) for use during assembly. If check valve assembly is damaged, discard it.
(4) Remove snap ring (13).
(5) Remove two screws (14), lock washers (15), sealing washers (16), pump support plate (17),
diaphragm (18), and eccentric housing (19). Discard lock washers and sealing washers.
(6) Remove cap (20) and grease fitting (21).
(7) Remove eccentric disk (22) and key (23).
(8) Remove four screws (24), lock washers (25), and motor (26). Discard lock washers.
5-8
