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 TM 55-1905-220-14-5
3-90.1. VALVE AND INJECTOR OPERATING MECHANISM - MAINTENANCE INSTRUCTIONS (Cont).
LOCATION
ITEM
ACTION
REMARKS
REMOVAL - CYLINDER HEAD REMOVED (Cont)
g. Push rod
Pull from bottom of cyl-
(6),upper
inder head.
Spring
seat (9),
spring
(10), and
lower
spring
seat (11)
h. Lock nut
Disassemble.
(5), push
rod (6),
upper
spring
seat (9),
spring
(10), and
lower
spring
seat (11)
NOTE
If the cylinder head is to be replaced, remove the spring retainers (8) and install them in the new
head.
CLEANING and INSPECTION
WARNING
Wear eye protection when using compressed air.
4.
Rocker
Wash the rocker arms, shaft, brackets and bolts with
shaft
clean fuel oil. Use a small wire to clean out the
assembly
drilled oil passages in the rocker arms and rocker
shaft bolts. Dry the parts with compressed air.
Inspect the rocker arm shaft and rocker arm bushings
for wear. A maximum shaft to bushing clearance of
.004 inch (0.010 cm) is allowable with used parts.
Service replacement bushings must be reamed to size
after installation.
3-1500
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