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 TM 55-1905-220-14-4
3-33.1. VALVE AND INJECTOR OPERATING MECHANISM -MAINTENANCE INSTRUCTIONS (Cont).
LOCATION
ITEM
ACTION
REMARKS
INSTALLATION
12. Rocker
shaft
assembly
NOTE
The injector rocker arm (center arm of the group) is slightly
different from the exhaust valve rocker arms; the boss for the
shaft on the left and right-hand valve rocker arms is longer on
one side. The extended boss of each valve rocker arm must
face toward the injector rocker arm.
a. Rocker
Thread each rocker arm
Provide suffi-
arm (7),
on its push rod until
cient initial
and push
end of push rod is flush
clearance be-
rod (6)
with or above the inner
tween exhaust
side of the clevis yoke.
valve and pis-
ton when crank-
shaft is turned
during valve
clearance ad-
justment pro-
cedure.
b. Rocker
Assemble.
Apply clean en-
arm
gine oil to the
shaft
rocker arm
(4)
shaft and slide
and
the shaft
rocker
through the
arm (7)
rocker arms.
c. Bracket
Assemble on shaft.
Finished face
(3)
of bracket next
to rocker arm.
d. Bracket
Install.
Torque to 90-
bolts
100 ft-lb (122-'
(2)
136 Nm) torque.
NOTE
Bracket bolts go through the bracket and the shaft.
3-702
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