TM 9-2815-225-34&P
3-41. ROCKER LEVERS AND HOUSING REPAIR (Contd)
LOCATION/ITEM
ACTION
REMARKS
c. Inspection (Contd)
NOTE
Repeat step 12 for each exhaust, intake, or injector rocker lever.
12.
Rocker levers (5), (8), (11),
a. Check for cracks using
Use coil magnetization with
(13), or (15)
magnetic inspection.
amperage at 300 to 500 residual
Magnaglo. Most areas of crack
indication shown in illustration.
Replace rocker lever assembly (2)
(7), (12), (14), or (16) if rocker
lever has cracks. Demagnetize
levers that are to be reused.
b. Using new adjusting screw
Discard rocker lever assembly if
(1) or (4), check condition of
adjusting screw does not move
threads in rocker lever.
freely in rocker lever.
c. Inspect ball socket seat of
If socket is damaged or if bluing
injector rocker levers (8) for
pattern does not coat at least
damage. Apply Prussian blue
80 percent of socket, drill small
compound with 0.500 in.
hole over ball socket seat and
(12.70 mm) check ball.
drive damaged ball socket seat
(10) out of injector rocker lever (8).
Stake hole and install a new ball
socket seat (10) in injector rocker
lever (8).
d. Inspect bushings (6) or (9)
Replace bushings (6) or (9) if
for scratches, pitting, scoring,
damaged or worn (refer to step 12f
and excessive wear.
for replacement).
e. Using suitable micrometer,
Replace bushings (6) or (9) if not
measure bushing inside diameter.
within limits shown below (refer
to step 12f for replacement).
New Minimum ........................................................... 1.1245 in. (28.562 mm)
New Maximum ........................................................... 1.1275 in. (28.638 mm)
Wear Limit ................................................................ 1.1286 in. (28.666 mm)
f. Replace bushings (6) or (9)
Do this step only if bushings (6) or
as follows:
(9) are damaged or not within
wear limits.
(1) Using rocker lever block and
Discard bushing(s).
mandrel set (25), press bushings
(6) or (9) out.
3-212
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