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 TM 55-1905-221-14-2
5-14. ROCKER ARMS, CAM FOLLOWERS AND PUSHRODS (Continued).
LOCATION/ITEM
ACTION
REMARKS
CLEANING
13.
WARNING
Dry cleaning solvent, P-D-680, used to clean parts, is potentially dangerous to
personnel and property. Avoid repeated or prolonged skin contact. Do not use near
open flame or excessive heat. Flash point of solvent is 100138 (38590C).
-
F
-
When using compressed air, wear safety goggles to prevent eye injury.
a. Clean out oil passages in the rocker arms, bracket bolts and rocker
arm shafts with fuel oil and a small wire, and dry them with
compressed air. It is very important to inspect the rocker arm shaft
bolts for plugged oil passages.
b.
Clean the cam followers and all their associated parts thoroughly
with solvent P-D-680, and dry them with compressed air.
INSPECTION
14.
a.
Inspect the rocker arm shaft and the bushings inside the rocker
arms for excessive wear. The diameter of a rocker arm shaft is
.8735 inch (2.2187 cm) to .8740 inch (2.2199 cm), and the inside
diameter of a rocker arm bushing is .8750 inch (2.2225 cm) to
.8760 inch (2.2250 cm). Thus, the clearance is .001
5-283
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