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57. To replace camshaft and time engine (Fig 9 & 11)
(a) Generally reverse instructions for removal
(b) Check the camshaft end float (Y) and if excessive fit a new thrust plate
(see Technical Data)
(c) When assembling the gearwheels make sure that the teeth marked
with dots are in their relative positions
(d) Tighten the camshaft gearwheel retaining screw and extension shaft
screws, if fitted, using a torque spanner set to the figure shown under
Technical Data.
(e) Retime the fuel injection pump and adjust the valve clearances.
Y
58. To remove governor (Fig. 12)
(a) Remove the gear cover.
(b) Remove the screws (A) securing the governor assembly to the
crankcase and withdraw it.
59. Crankcase breather maintenance
Under normal circumstances the breather assembly will not require
maintenance. However, if removal is necessary proceed as follows;
(a) Drain and remove the fuel tank.
(b) Remove the breather pipe. cover and valve.
(c) Remove the breather housing and seal from the crankcase. A special
tool for this purpose is available from Petters Ltd or their agents.
(d) Thoroughly clean all parts in paraffin or clean fuel.
(e) Examine the seal and valve for damage and replace if necessary.
(f) When fitting the cover, ensure that the pipe connection is parallel to the
crankshaft and facing the flywheel end.
60. To remove governor linkage (Fig. 12)
(a) Remove the governor.
(b) Remove the gearwheel from the camshaft.
(c) Move the stop/run lever (B) to the "RUN" position, i.e , horizontal.
Fig. 11
37
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