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 TM 9-2815-220-24
INTAKE AND EXHAUST VALVE CLEARANCE ADJUSTMENT
0034 00
BEFORE ADJUSTMENT (Continued)
2. Turn crankshaft until valves (6,7) are closed
6
and camshaft lobes (8) are pointing towards
cylinder base as shown.
7
8
ADJUSTMENT
1. Adjust exhaust valve (6) clearance (0.025 inch, 0.635 mm).
a. Loosen exhaust valve adjusting screw lock nut (9).
b. Turn valve adjusting screw (10) until clearance between screw pad (11) and valve stem is
0.025 inch (0.635 mm) using thickness gauge blade (12) (item 56, WP 0176).
c. Torque lock nut (19) to 200-225 inch-pounds (23-25 Nm) after correct adjustment is
made. Make certain setting has not changed after tightening lock nut (9).
12
6
10
11
9
WP 0034 00-3
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