TM 55-1905-223-24-8
3-15. Repair of Cylinder Head Assembly. (FIGURE 3-4)
This task covers: a. Disassembly, b. Repair, c. Assembly.
INITIAL SETUP
Tools
Equipment Condition
Tool kit, general mechanic's,
Head cylinder assembly removed (para.
Torque wrench kit,
P/N 3377216
Materials/Parts
Compressor head P/N 6661
Safety relief valve P/N 2961-100
Ring spacer P/N 1556
Gasket P/N 1852
Helical compression spring P/N 6910
Ring spacer P/N 1848
Gasket P/N 6682
Cleaning solvent, Item 4, Appendix C
DISASSEMBLY
a. Unscrew and remove the safety valve (16).
b. Remove unloader body assemblies (1) (paragraph 2-15).
c.
Remove 20 valve cover bolts (2).
d. Remove valve covers (3, 7) and gaskets (4, 8).
e. Remove ring spacer (17) from top of valves with unloader assemblies.
f.
Remove suction (intake) valves (9) and ring spacers (6). Remove pin (11) and helical spring (12) (see
g. Remove discharge (compressor) valves (13) and ring spacers(6). Remove pin (11) and helical spring (12) (see
REPAIR
a. Clean all metal parts in a cleaning solvent. Inspect for rust, corrosion, or broken parts.
Change 1
3-14
