TM 5-3810-306-34
4. INSTALL ADAPTER (53).
7. INSTALL UNLOADER VALVE.
a. Install new gasket (16) and adapter (53). Secure
a. Install valve spring (36) with tang down, intake
valve (35), cover (43) with flange side up, spring
head screws (54). Torque screws (54) to 45 ft-
(34) and cap (42).
lbs (60 Nm).
b. Lubricate outside diameter of cap (42) with
b. Install new gasket (52) and cover plate (51)
NEVER-SEIZE (paste type) compound.
using screws (50).
c.
Install new preformed packing (33) with grooved
5. INSTALL EXHAUST VALVE (39) AND EXHAUST
side up. Lubricate preformed packing (32) with
VALVE SEAT.
clean engine oil.
a. Install wear plate (41), valve spring (40), exhaust
d. Install new preformed packing (32).
valve (39) and new preformed packing (38).
e. Install body (30). Press body (30) and ensure
b. Install new packing (37) on exhaust valve seat
that tangs of cap (42) are in three slots of cover
(44).
(43).
c.
Using air compressor seat installation tool, install
f.
Holding down body (30), install washers (28),
exhaust valve seat (44).
capscrews and washers (27).
Torque
capscrews to 8-11 ft-lbs (11-15 Nm).
6. INSTALL HEAD (26) AND COVER (45).
8. INSTALL AIR COMPRESSOR. (REFER TO PAGE
a. Dip new gasket (25) in clean engine oil and
install new gasket (25) and head (26).
9. TEST FOR PROPER OPERATION.
b. Dip new gasket (49) in clean engine oil and
install new gasket (49) and cover (45).
END OF TASK
c.
capscrews (46). Torque capscrews to final value
of 20 ft-lb (27 Nm) in four steps:
Step 1
5 ft-lb ( 7 Nm)
Step 2
10 ft-lb (14 Nm)
Step 3
15 ft-lb (20 Nm)
Step 4
20 ft-lb (27 Nm)
9-16