TM 5-3810-300-24&P-3
CAMSHAFT, BALANCE SHAFT AND BEARINGS 1.7.2
1.
Camshaft
14.
Bearing--Camshaft-
23.
Balance Weight--
32.
Bearing--Balance Shaft-
2.
Cam
Intermediate
Camshaft-Rear
Rear
3.
Bearing--Camshaft-Front
15.
Lock Ring--Intermediate
24.
Bolt--Weight Retainer
33.
Gear--Balance Shaft-
4.
Bolt--Bearing Retainer
Bearing
25.
Balance Shaft
R.H Helix
5.
Lock Washer
16.
Setscrew--Intermediate
26.
Bearing--Balance Shaft-
34.
Weight--integral
6.
Washer--Camshaft Thrust
Bearing
Front
Balance-Balance Shaft
7.
Balance Weight Assy.--
17.
Bearing--Camshaft-Rear
27.
Washer--Balance Shaft
35.
Nut--Balance-Shaft-
Camshaft-Front
18.
Gear--Camshaft-
Thrust
Rear
8.
Lock Washer--Camshaft Nut
L.H Helix
28.
Balance Weight Assy.--
36.
Retainer--Balance Shaft
9.
Nut--Camshaft-Front
19.
Weight--Integral Balance
Balance Shaft-Front
Gear Nut
10.
Plug--Camshaft
Camshaft
29.
Lock Washer--Balance
37.
Bolt--Gear Nut
11.
Woodruff Key
20.
Nut--Camshaft-Rear
Shaft Nut
Retainer
12.
Thrust Shoulder--Camshaft
21.
Retainer--Camshaft Gear
30.
Nut--Balance Shaft-Front
38.
Balance Weight--
13.
Journal--Camshaft-
Nut
31.
Thrust Shoulder--Balance
Balance Shaft-Rear
Intermediate
22.
Bolt--Gear Nut Retainer
Shaft
39.
Bolt--Weight Retainer
Fig. 8 - Typical Camshaft and Balance Shaft Details and Relative Location of Parts
3. Align the key in the shaft with the keyway in the
6. Install the balance weight on the front of the
camshaft drive gear and start the shaft into the gear.
camshaft.
Tap the shaft into the gear with a soft (plastic or
rawhide) hammer.
7. Start the balance weight retaining nut and lock
washer on the camshaft (Fig. 8). Place a wood
CAUTION: On the "A" and "ID" engines, make
block between the balance weights (Fig. 3). Tighten
sure the thrust washer is in the correct position
the gear retaining nut; then, tighten the balance
to prevent pushing the bushing into the bearing
weight nut to 300-325 lb-ft torque.
or damage to the bushing.
8. Align the holes in the camshaft intermediate
4. Remove the camshaft gear puller, spacers and
bearings with the tapped holes in the top of the
adaptor plate. Finger tighten the gear retaining nut
cylinder block. Install and tighten the lock screws to
on the shaft.
15-20 lb-ft torque.
5. Install the front end bearing (and thrustwashers "B"
and "C" engines) with the bolts and lock washers.
9. Replace the parts, accessories and assemblies that
Tighten the bolts to 35-40 lb-ft torque.
were removed from the engine and refill the cooling
system.
CAUTION: Apply grease to the steel faces of
the thrust washers and insure that the steel
faces are towards the bearing.
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