TM 9-2320-289-34
3-12.
CAMSHAFT REMOVAL (Con’t).
b.
INSPECTION
1.
Measure diameter of camshaft journals. Rear camshaft journal (5) must be at least 2,0053 in.
(50.935 mm) diameter. All other camshaft journals (7) must be at least 2.1628 in.
(54.935 mm) diameter. If any camshaft journal is not within specifications, replace camshaft
and appropriate camshaft bearing. (See paragraph 3-1 6)
2.
Support camshaft (3) with front camshaft journal (7) and rear camshaft journal (5) in “V” blocks,
3.
Secure dial indicator with plunger contacting low side of camshaft lobe (6). Set dial indicator to
“o.“
4.
Turn camshaft (3) until high side of camshaft lobe (6) contacts dial indicator plunger, Reading
must be at least 0.2769 in. (7,0330 mm).
5.
Repeat steps 3 and 4 for each camshaft lobe (6), If any reading is not within specifications,
replace camshaft.
6.
Inspect plate (2), ring (8), and camshaft sprocket key (9) for wear or damage. Replace if worn
or damaged,
FOLLOW-ON TASKS:
l Install camshaft, (See paragraph 3-20)
TA50648
3-36
Change 2
