Quantcast Adjust valve crossheads.

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TM 9-2815-226-34-2
(3)
Apply light finger pressure on rocker lever contact surface to hold crosshead in contact with valve
stem nearest the push tube.
NOTE
If crossheads and guides are new, advance adjusting screw 1/3 of one hex to
straighten stem on guide. If crossheads and guides are worn, it may be necessary
to advance screw as much as 1/2 of one hex to straighten stem.
(4)
Turn adjusting screw down until it contacts mating valve stem. Advance screw depending on
whether components are worn or new as noted above.
(5)
Using ST-669 torque wrench adapter, hold adjusting screw in position and torque locknut to 22 -
26 ft lbs (30 - 35 Nm).
(6)
If ST-669 is not available, hold screw with screwdriver and torque locknut to 25 - 30 ft lbs (34 - 41
Nm).
(7)
Check clearance between crosshead and valve spring retainer with wire gage. Must be minimum
of 0.025 in. (0.64 mm) clearance.
3-430


 


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