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TM 9-2320-364-34-4
20-307
(2)
Hold push rod (3) and loosen locknut (4).
NOTE
Clearance is 0.016 in. (0.406
mm) for cold or hot setting.
(3)
Insert feeler gage between valve bridge (5)
and valve rocker arm (6) to check clearance.
(4)
Adjust push rod (3) until slight drag is felt
on feeler gage.
NOTE
Clearance is correct when 0.015
in. (0.311 mm) feeler gage passes
freely between rocker arm and
valve bridge, but the 0.017 in.
(0.432 mm) feeler gage will not
pass through.
(5)
Remove feeler gage, hold push rod (3) and
tighten locknut (4). Recheck clearance.
(6)
Repeat Steps (1) through (5) for other 15
exhaust valves.
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