TM 55-1905-223-24-8
3-13. Repair Hydraulic Unloader Assembly. (FIGURE 3-2)
This task covers: a. Disassembly, b. Repair, c. Assembly.
INITIAL SETUP
Tools
Equipment Condition
Tool kit, general mechanic's,
Hydraulic unloader assembly removed
Materials/Parts
Hydraulic unloader assembly P/N 110827-001
Cleaning solvent, Item 4, Appendix C
DISASSEMBLY
a. Unscrew filter assembly (7) from unloader body (4). Spring (6) and stem assembly (3, 5) can be pulled out.
b. Remove unloader base (1) to gain access to diaphragm (2).
REPAIR
a. From the filter assembly (7), remove and clean the filter (8).
b. Inspect the diaphragm (2), spring (6), stem assembly (4, 5), filter and assembly (7) for rust, corrosion, cracks, or
bent parts.
c.
Clean with cleaning solvent and replace hydraulic unloader assembly if necessary.
ASSEMBLY
a. Insert diaphragm (2) into unloader base (1).
b. Attach and secure unloader stem and body assembly (3, 4, 5) by screwing body (4) into base (1).
c.
Place spring (6) over stem (5).
d. Attach and secure filter assembly (7).
3-9
