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TM 10-3930-638-24&P
4-2. ENGINE MAINTENANCE (cont)
g. Camshaft and Bearings (cont).
STEP
LOCATION
ITEM
ACTION
REMARKS
INSPECTION AND REPAIR (cont)
15
Cylinder block,
Plug cup
Install
Apply permatex No. 2 to outer diameter
rear
(13)
and tap into position until it bottoms
against seat
REASSEMBLY
16
Camshaft
Install
On camshaft (9)
thrust plate (8)
17
Key (7)
Install
In camshaft (9) slot
WARNING
Wear asbestos gloves when performing following steps to prevent
burning your hands.
18
Camshaft gear (6)
Heat and
Use gear and bearing heater. Be sure gear
install
timing marks are outward
19
Lock (5)
Position
On camshaft (9)
20
Camshaft nut (4)
Install
Tighten to 80-90 pounds foot torque
21
Lock (5)
Bend
Over one flat of nut (4)
INSTALLATION
NOTE
Install tappets (3) in same locations as originally installed.
22
Cylinder block,
Eight valve
Lubricate,
Use No. 30 oil. Insert wood dowels (3/8
bottom
tappets (3)
install, and
inch diameter by 12 inches long) into
secure
push rod openings in top of cylinder head
and push into stem of valve tappets. Lift
dowels and valve tappets and retain
dowels with clothespins
23
Cylinder block,
a. Camshaft gear (6)
Lubricate,
Use No. 30 oil and lubricate camshaft
front
and camshaft (9)
install and
thrust plate (8), all bearing surfaces and
align
lifter cams. Align holes in camshaft gear
with holes in thrust plate (8)
b. Two lock washers
Install
(2) and thrust
plate bolts (1)
4-58
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