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 TM5-2410-237-34
3-21. VALVE MECHANISM - REPLACE (Cont' d)
c. Inspection
(1) Inspect rocker shaft washers
for distortion or other
damage, and replace if
necessary.
(2) Inspect brackets for excessive
wear, cracks, or other damage,
and replace if necessary.
(3) Inspect rocker shaft springs
for distortion, excessive
wear, or other damage.
Replace a damaged rocker
shaft.
(4) Inspect dowel pins for
defects. Replace a bent or
out-of-round pin.
(5) Inspect rocker arms for any
signs of excessive wear or
other damage. Refer to Table
3-5 for rocker arm wear
limits and specifications. If
measurements are not within
the specified limits, or if a
rocker arm is damaged in any
way, replace rocker arm.
TABLE 3-5
(1) Bore (dimension "A") in bearing
18.448 0.013 mm (0.7263 0.0005 in.)
for shaft (new) . . . . . . . . .
Diameter of shaft
18.402 0.013 mm (0.72451 0.0005 in.)
. . . . . . . . . .. .
(new)
Maximum permissible clearance between
0.20 mm (0.008 in.) X 0.008
bearing and shaft (worn) . . . . . . . . . . .
(2) Torque for locknut (1) on valve
29 7 Nm (21 5 lb. ft.)
adjustment screw . . . . . . . . . . . .. . . .
(3) Clearance (dimensions "B") for valves:
0.38mm (0.015 in.)
Intake valves
. . . . . . . . . . . . . ..
0.64mm (0.025 in.)
Exhaust valves . . . . . . . . . . . .. . . .. . .
3-97
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