CUMMINS S3.8 - Page 29

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into timing gear housing in such a manner
that the tooth of the injection pump gear
marked with a notch is in alignment with
pointer in timing housing smaller cover.
Fig. 5. Fit mounting bolts with spring washer
and tighten.
3. Remove clamps for Nos 1 and 2 valve
holders. Unscrew No. 1 delivery valve holder
and remove delivery valve spring and peg.
Fig. 6.
4. Refit delivery valve holder without delivery
valve, spring and peg and tighten to specified
torque.
5. Install swan neck tube, 312 589 0223, on
Fig. 6
this holder. Fig. 7
6. Connect diesel bowl pipe to the fuel injection
pump gallery. Fig. 7
7. Set control lever to full throttle position.
8. Loosen mounting bolts of the fuel injection
pump to intermediate plate and swivel pump
towards engine when fuel should start flowing
freely through swan neck. Fig. 8. Swivel
pump away from the engine. Fuel flow should
completely cut off. Fig. 9. If this condition
does not exist, either timer is faulty or
crankshaft gear mismatched or the fuel
injection pump is not properly timed to the
engine camshaft. If the pump is correctly
mounted, proceed as follows:
Swivel fuel injection pump towards engine,
Fig. 7
when the flow of fuel will resume. Now swivel
Fig. 5
Fig. 8
Fig. 9
Workshop Manual
S3.8 Engine
A030K288 (Issue 2)
01-2010
31