ALPHA series engines worksHoP mAnuAL
37
Figure 2.31.4 Thrust Plate Spring
6. Fit the speeder spring (A) to the governor
lever assembly (B) and the speed control lever
assembly (C) with the fixed spring tail onto the
speed control.
7. Replace the end cover and torque the bolts to
9.0Nm (6.5lbf ft) in the sequence shown.
Figure 2.31.5 End Cover Torque Sequence
8. Replace the dipstick, fuel lift pump and fuel
pumps.
9. Refer to "2.24.2 Refitting a Cylinder Head" and
replace the cylinder head.
2.31.4
Camshaft End float
The camshaft end float is factory set at 0.07-
0.20mm (0.004-0.008in) and cannot be adjusted.
If the end float is greater than that given the
camshaft must be replaced.
2.31.5 Checking the End float
1. Remove the gear end cover.
2. Push the camshaft towards the flywheel end.
3. Fix a clock gauge in position against the camshaft
gear wheel.
Figure 2.31.6 Checking Camshaft End float
4. Zero the gauge.
5. Move the camshaft as far as it will go towards
the gear end.
The movement recorded on the gauge is the end
float.
2.32 tHe CAmsHAft BusH
2.32.1 removing the Bush
1. Fit the guide (A) into the bush from inside the
crankcase.
2. Fit the slide hammer (B) onto the guide threads.
3. Use the slide hammer to remove the bush.
wArning
Care must be taken to ensure that any part of the
hand is not likely to become trapped between the
two parts of the slide hammer while in use.
Figure 2.32.1 Camshaft Bush Tool
Service Tool Kit No 317-50118
2.32.2 fitting a new Bush
Before fitting a new camshaft bush the outside
diameter must be lightly oiled with engine lubricating
oil.
When the bush is replaced the split in it must be
positioned at the top of the bush bore.
1. Fit the new bush over the guide threads.