C-51
35 Series 4WD, Model - 3535, 4035, 4535 and 5035 SM June’08
3. INSTALLATION
a) Fit a new key to the crankshaft then press the
crankshaft pinion on to the crankshaft.
b) Assembly the idler gear and shaft, install it on
the crankcase ensuring that the double marks on
the idler gear line up with the double marks on
the crankshaft pinion. Tighten the bolt to the
specified torque.
c) Install the camshaft and camshaft gear.
d) Install the injection pump gear ensuring that the
double marking on the injection pump gear is in
register with the single marking on the idler gear,
install the three bolts and tighten to the correct
torque.
D. CAMSHAFT
1. REMOVAL
NOTE 1: Before camshaft removal check
a. Backlash of camshaft drive gear
b. Camshaft end float
c. Cam lobe lift
NOTE 2: Cam lobe lift may be checked by means of a
dial indicator gauge.
Rest the stylus of the dial indicator on one of the
push rods.
Rotate the engine one revolution and note dial
indicator reading. Compare reading with
“specifications”.
a) Remove the valve rocker arm shaft assembly.
b) Lift out the valve push rods and identify them so
they can be installed in their original positions.
c) Remove the crankcase front cover.
d) Remove the oil pump.
e) Invert the engine then turn the camshaft until the
cored holes in the gear line up with the bolts
(7-2) securing the camshaft thrust plate then
remove the bolts and lockwashers.
f) Withdraw the camshaft with gear from the
crankcase.
g) Remove the valve tappets (1-4) and identify them
so they can be installed in their original positions.
Fig. 4
Fig. 3
1. Gear
2. Screw
3. Washer
4. Plate
5. Key
6. Camshaft
Timing Gear Train, Front Cover & Camshaft
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