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 TM 55-1905-219-14-6
3-165.1. VALVE AND INJECTOR MECHANISM - MAINTENANCE INSTRUCTIONS
(Continued).
LOCATION
ITEM
ACTION
REMARKS
CLEANING AND INSPECTION (Cont.)
followers and their related parts
and inspect them for excessive
wear. This change in injector
timing or valve clearance can usually
be detected by excessive noise at
idle speed.
b. Wash the cam followers with
lubricating oil or Cindol 1705 and
wipe dry. Do not use fuel oil. Fuel
oil working its way in between the
cam roller bushing and pin may
cause scoring on initial startup of
the engine since fuel oil does not
provide adequate lubrication. The
pushrods, springs and spring seat
may be washed with clean fuel oil
and dried with compressed air.
c. Examine the cam follower rollers for
scoring, pitting or flat spots. The
rollers must turn freely on their pins.
Measure the total diametric clearance
and side clearance. Install a new
roller and pin if the clearances exceed
those shown below. Cam followers
stamped with the letter "S" on the pin,
roller and follower body are equipped
with an oversize pin and roller. The
same clearance apply to either a
standard or oversize cam follower
assembly.
3-2777
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