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 TM 9-2815-220-24
ROCKER ARM ASSEMBLY AND COVER REPAIR
THIS WORK PACKAGE COVERS:
Inspection, Repair
INITIAL SETUP:
Tools:
Personnel Requirements:
Dial indicator (item 65, WP 0176)
Track Vehicle Repairer (1) 63H10
General mechanic's tool kit (item 121, WP 0176)
Equipment Conditions:
Machinist vise (item 132, WP 0176)
Rocker arm cover assemblies removed
Magnifying glass (item 73, WP 0175)
Outside micrometer caliper set (item 17,
Telescoping gauge set (item 54, WP 0176)
CAUTION
The cylinder and rocker arm cover are machined as an assembly.
The number on the rocker arm cover must match with its mating
number on the cylinder to ensure camshaft bearing alignment and
running clearance. If a rocker arm cover is damaged, the entire
cylinder and rocker arm cover must be replaced.
NOTE
The engine has 12 rocker arm cover assemblies. The following
procedures apply to one or all covers. This procedure shows the
replacement of the exhaust rocker arm only.
Each rocker arm cover assembly contains both exhaust and intake
rocker arms. Both rocker arms are removed, repaired, and installed
in the same manner. In addition, clearances and specifications
provided in this work package apply to both intake or exhaust
components.
WP 0105 00-1
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