TM 5-3810-306-34
TOOLS:
Seat removal tool (NSN)
SUPPLIES:
Machinist's bluing
EQUIPMENT CONDITIONS: Air compressor removed from engine. (Refer to page 9-2.)
DISASSEMBLY:
1. DISASSEMBLE UNLOADER VALVE (29).
2. REMOVE COVER (45) AND HEAD (26).
a. Loosen captive washer bolts (27).
and washers (48). Remove cover (45)
and discard gasket (49).
WARNING
b. Remove head (26) and discard gasket
The unloader valve (29) is spring
(25).
loaded. Use care when removing
valve to avoid personal injury.
3. REMOVE EXHAUST VALVE (39) AND EXHAUST
VALVE SEAT (44).
b. Holding down body (30), remove captive
washer bolts (27) and washers (28).
a. Using press and seat removal tools,
Remove body (30).
packing (37). Discard packing (37).
c. Remove and discard preformed packings
(32) and (33).
b. Remove preformed packing (38), exhaust
valve (39), compression spring (40) and
d. Remove cap (42), spring (34) and cover
wear plate (41). Discard packing (38)
(43).
e. Remove intake valve (35) and valve spring
(36).
9-4