TM 9-2815-225-34&P
3-40.
CAMSHAFT CAM FOLLOWER, AND PUSHROD REPAIR (Contd)
LOCATION/ITEM
ACTION
REMARKS
c. Inspection (Contd)
16.
Cam follower roller (19)
b. Using small bore gauge,
Intake or exhaust cam follower
(Contd)
measure inside diameter.
roller (19) inside diameter must
measure 0.5005-0.5015 in.
(12.713-12.738 mm). Discard cam
follower (8) if inside diameter
measures more than 0.503 in.
(12.776 mm). Injector cam roller
inside diameter must measure
0.703-0.704 in. (17.856-17.882 mm).
Discard injector cam follower (9) if
inside diameter measures more
than 0.705 in. (17.907 mm).
c. Inspect cam follower roller (19)
Discard cam follower (8) or (9) if
to ensure it is not out-of-round.
roller (19) is out-of-round.
d. Using suitable micrometer,
Outside diameter of roller (19)
measure outside diameter.
must measure 1.2495-1.2505 in.
(31.737-31.763 mm). Discard
intake, exhaust, or injector cam
follower (8) or (9) if outside diame-
ter measures less than 1.2485 in.
(31.712 ram).
e. Check concentricity of inside
Discard cam follower (8) or (9) if
diameter with outside diameter.
not within 0.0020 in. (0.051 mm).
f. Check squareness of sides
Discard cam followers (8) or (9) if
with bore.
sides are not parallel to each other
or not square to bore within
0.0040 in. (0.102 mm).
17.
Roller pin (17)
a. Inspect for cracks, breaks, and
Discard cam followers (8) or (9) if
other damage.
roller pin (17) is damaged.
b. Using suitable micrometer,
Intake or exhaust roller pin (17)
measure outside diameter.
outside diameter must measure
0.4997-0.500 in. (12.692-
12.700 mm). Discard intake or
exhaust cam follower (8) if outside
diameter measures less than
0.497 in. (12.624 mm). Injector
roller pin (17) outside diameter
must measure 0.6997-0.7000 in.
(17.772-17.780 mm). Discard injec-
tor cam follower (9) if outside
diameter measures less than
0.997 in. (17.704 mm).
3-202
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