C-53
35 Series 4WD, Model - 3535, 4035, 4535 and 5035 SM June’08
E. CAMSHAFT BEARING
1. REMOVAL
a) Remove the camshaft.
b) Remove the flywheel.
c) Remove backplate by loosening its bolts.
d) Use a long bar from the front of the crankcase
and drive out the expansion plug (1-6).
e) Remove the camshaft bearings (2-4) from the
crankcase.
2. INSTALLATION
a) Press the centre bearing into position aligning the
hole in the bearing with the hole in the crankcase.
b) Press the front and rear bearings into position
ensuring that the edge marked “FRONT” is to the
front of the crankcase and that the holes in the
bearings line up with those in the crankcase.
c) Line bore the bearings to the dimensions in
specifications.
d) After reaming, blow out the crankcase and oil
ways to remove all foreign material.
Note: Ensure that the rear bearings is pressed in flush
with the front of the bore in the crankcase.
Note: Bearings supplied for service are supplied
semi-finished and must be line reamed to
specified dimension after assembly.
a) After reaming thoroughly blowout the
casting and oil ways to ensure that there
is no metal deposit left.
b) Examine the tappet for signs of wear.
c) Do not attempt to straighten or repair the
camshaft. If any parts are suspect they must
be replaced.
Note: When the engine is in the upright position the
tappet must be inserted one at a time as the
camshaft is installed into the engine because
the tappets are held in position by the
camshaft. Possible the engine should be
supported in an inverted position.
a) Place tappet in position.
e) Install the rear bearing expansion plug
(1-6) expansion plug using a good quality sealer
on the plug and seat.
f) Install the flywheel.
g) Install the camshaft in the crankcase taking care
not to damage the bearings. Engage the camshaft
gear with the crankshaft pinion to ensure that
single timing marks are in line with each other.
Secure the thrust plate to the crankcase with bolts
and lock washers and tighten to the same specified
torque.
Fig. 6
Timing Gear Train, Front Cover & Camshaft
To Next Page
Loading...
Need help?
General
