TM 5-4310-343-35
Table 5-1. Summary of Clearances and Torques
CLEARANCE
TORQUE
Head
Value
Discharge Valve
Intake Valve
Clearance
(Pound-
Stage
Travel (inches)
Travel (inches)
(inches)
Item
(inches)
First
Studs
40
0.018 0.003
0.010 0.002
0.007 0.002
Nuts
30
Second
Screws
40
0.017 0.002
0.018 0.003
0.081 0.004
Third
Screws
40
0.019 0.002
0.025 0.002
0.013 0.002
Fourth
Screws
40
0.019 0.002
0.013 0.002
0.008 0.002
(i) Recheck head clearance; refer to figure 5-3 and 6-7. Apply oil, FSN 9150-753-4667 to gasket (11)
and valve (10) and install in cylinder (12). Position valve (10) by inserting a finger through the discharge hole and rotating
the valve while pressing down on the valve plate. Assemble the stop (5), the discharge valve spring (6), the discharge
valve (7), the head gasket (8), the shims (2, 3, 4), and the valve plate (9) to the cylinder head (1). Position this assembly
on the cylinder (12) with the discharge port facing rearward over the drive flange. Secure with two clamps, part number
255066 or equivalent 5386-0007, and screws 1692-0624. Torque screws to 10 pound-inches.
(j) Assembly four piston rings (4, figure 6-6) on piston (29). Position rings with gaps 90 apart. With
piston at top of stroke place cylinder on top of piston and compress rings with suitable ring compressor part number
257000 or equivalent. Apply lubricating oil FSN 9150-753-4667 liberally and carefully push cylinder over rings. Remove
ring compressor and
5-45
