TIMING CASE AND DRIVE - K.3
Check idler gear end float as shown in Fig. K.5.
The end float should be between 0.003/0.007 in
(0,08/0,18 mm).
Fig. K.4.
Showing Timing Marks on Drive Gear
6.
Tighten down the rocker assembly securing nuts
and adjust the valve clearances to 0.012 in (0.30
mm) cold.
7.
Refit the timing case front cover as previously
detailed in this Section.
Fig. K.5.
Checking Idler Gear End Float.
To Remove the Camshaft Gear
1.
Remove
the
timing
case
front
cover
as
previously described in this Section.
2.
Knock back the locking washer tab and remove
the camshaft gear retaining setscrew, locking
washer and camshaft gear retaining plate.
Fig. K.6.
Camshaft Gear Removal
3.
Using a suitable extractor, remove the camshaft
gear (see Fig. K.6).
4.
Clean and thoroughly examine the gear for
wear, cracks and pitting, etc.
To Refit the Camshaft Gear
1.
Remove the idler gear as previously described
in this Section.
2.
Slacken off the rocker assembly securing nuts.
3.
Refit the gear to the camshaft by drawing it onto
the shaft with the retaining plate and setscrew.
4.
Turn the engine until No. 1 piston is at T.D.C.,
i.e., with the crankshaft gear keyway at the top
of its periphery.
5.
Refit the idler gear to its hub ensuring that the
timing marks on the crankshaft gear, fuel pump
gear, camshaft gear and idler gear are correctly
aligned as shown in Fig. K.4. Assemble the idler
gear retaining plate to its studs, and secure with
the three self locking nuts tightened to a torque
setting of 30 lbf ft (4,1 kgf m)- 40 Nm.
6.
Remove the camshaft gear retaining setscrew,
fit a new lock washer, refit the setscrew,
