TM 55-1905-223-24-8
3-16. Repair Unloader Body Assembly. (FIGURE 3-5)
This task covers: a. Disassembly, b. Repair, c. Assembly.
INITIAL SETUP
Tools
Equipment Condition
Tool kit, general mechanic's,
TM 55-1905-223-10, power OFF, system
drained, no air pressure in system, and
tubing disconnected.
Materials/Parts
Unloader body assembly P/N 40055 or 40192
Flat valve diaphragm P/N 1855
Diaphragm disk P/N 5910
Cleaning solvent, Item 4, Appendix C
Rags, wiping, Item 3, Appendix C
DISASSEMBLY
a. Remove elbow tube fitting (8) from unloader on single valve cover (9).
b. Remove unloader body assembly (5).
c.
Remove six hex screw bolts (1).
(1) Lift off and remove plate (2) and diaphragm (3).
(2) Remove diaphragm disk (4).
REPAIR
a. Discard and replace valve diaphragm (3) and diaphragm disk (4).
b. Inspect cover plate, body and hex screws for rust, corrosion or broken parts. C an with a solvent and clean rag.
le
ASSEMBLY
a. Place diaphragm disk (4) in top of unloader body assembly.
3-17
