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 TM 9-2320-269-34-1
ROCKER ARMS
This task covers:
a.
Removal (page 2-164)
e.
Assembly (page 2-168)
b.
Disassembly (page 2-165)
f.
Installation (page 2-168)
c.
Cleaning (page 2-166)
g.
Rocker Arm-to-Valve Tip Clearance
d.
Inspection/Replacement/Repair
Adjustment (page 2-170)
INITIAL SETUP
Tools
Tools - Continued
Caliper, micrometer, ID
Wrench, open-end, 9/16-inch
Compressor, reciprocating air,
Wrench, torque, 112-inch drive,
power driven
0 - 150 ft-lb capacity
Face, inserted hammer, soft-plastic
Gage, thickness
Materials/Parts
Gage, ribbon
Goggles, safety
Cloth, emery (item 8, appendix b)
Gun, air blow
Locknut, rocker arms (eight required)
Handle, ratchet, 3/8-inch drive
Lockwasher, oil supply bracket
Handle, ratchet, 1/2-inch drive
Solvent, drycleaning (item 49, appendix B)
Handle, ratchet, 314-inch drive
Holder, inserted hammer-face
Personnel Required
Hose, air compressor
Pins, cotter (two required)
One
Press, arbor, hand-operated
Screwdriver, flat-tip, 3/16-inch
Equipment Condition
Socket, 3/8-inch drive, 7116-inch
Socket, 1/2-inch drive, 9/16-inch
Cylinder head covers removed (left and
Socket, 314-inch drive, 2-inch
right sides) (pages 2-175 and 2-180).
Spring, 12-inch
ACTION
LOCATION
ITEM
REMARKS
NOTE
Both rocker arms are maintained the same way. One rocker arm is covered. Repeat as needed for other arm.
REMOVAL
1. Rocker arm
Nine screws (2)
Using 9/16-inch socket and ratchet handle
assembly (1)
and washers (3)
with 1/2-inch drive, unscrew and take out.
2. Cylinder head (4)
Rocker arm (1) and
Lift off.
eight valve caps (5)
2-164
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