TM 5-3810-300-24&P-3
CAMSHAFT, BALANCE SHAFT AND BEARINGS 1.7.2
housing hole cover over the cam-shaft and the front
balance weight cover.
3. Remove the cylinder head.
4. Remove the front balance weight cover and place a
wood block between the balance-weights (Fig. 3).
5. Detach the gear nut retainer after removing the bolts.
Remove the tachometer drive adapt-or, if used.
6. Loosen and remove the nut at each end of the
camshaft.
Fig. 4 - Removing or Installing Shaft
Bearing Retainer Bolts
7. Remove the front balance weights.
12. The three bolts that secure the camshaft and
8. Remove the thrust washer .between the bearing and
balance shaft bearings to the rear end plate of the
the balance weight hub ("B" and "C" engines only).
engine may be removed by inserting a socket
wrench through the hole in the webs of the camshaft
9. Remove the lock screws that secure the cam-shaft
and balance shaft drive gears (Fig. 4).
intermediate bearings.
13. Withdraw the camshaft and balance shafts from the
10. Remove the three bolts that secure the camshaft
rear end of the cylinder block.
bearing to the front end plate.
If the thrust washers, located between the bearings
11. Install the camshaft gear puller J 1902-01, four
and thrust shoulders at the front end of the shafts on
spacers J 6202-2 and camshaft gear puller adaptor
"B" and "C" engines are not removed with the shafts,
plate J 6202-1 on the camshaft gear (Figs. 5 and 6).
they should be pulled out when removing the
bearings.
12. Turn the puller center screw clockwise to disengage
the camshaft gear.
14. The camshaft and balance shaft front bearings (and
thrust washers on "B" and "C" engines) may be
removed after taking out the bolts that hold the
bearings to the end plate and cylinder block. Pry
under the bearing flange with a suitable tool if the
bearing cannot be withdrawn by hand.
Remove
Camshaft
(Flywheel
Housing
and
Transmission in Place)
The camshaft may be removed and replaced without
removing the flywheel housing and disconnecting the
transmission if there is space enough to slide the shaft
out through the front of the engine.
1. Drain the engine cooling system and remove the
radiator and all attaching parts.
2. Remove the parts, accessories and assemblies that
Fig. 5 - Removing Camshaft With Camshaft Gear Puller
are necessary to facilitate the removal of the flywheel
J 1902-01 and Adaptor Plate Set J 6202
Page 119
