Figure 94
!
This procedure prescribes that:
- The fuel pipelines (from pumping elements to
injectors, bleeding recovery pipes from injectors
to pump, LDA pipeline and feed provided by
priming pump) shall all be disassembled.
- Electrical connection to feed pump shall be
disconnected.
- Accelerator cable shall be disconnected.
Rotary feed pump disassembly e assembly
procedure
In case feed pump replacement is necessary, this shall be
supplied pre−set already as spare part.
On the other hand, in case the pump shall be disassembled
and reassembled later on without being repaired it will be
necessary to pr−set it while it is still assembled to the engine
and disassemble it only afterwards.
The following procedure analyses this second hypothesis
since it is the more complex.
Figure 95
75714
1
2
- Disassemble the starter from the flywheel box (1)and
use the 380000988 tool (2) to rotate the flywheel.
- Rotate with caution the flywheel following its own
rotation sense to annul the gear slacks and at the same
time keep the (→) pin pressed until when this last one
is fitting into the port of the camshaft gear.
This way the P.M.S. shall be determined within N.I.
cylin der.
!
Flywheel rotation shall be carried out with extreme
caution. The pin charged by excessive sh earing stress
may get damaged.
75698
SECTION 3 − DUTY − INDUSTRIAL APPLICATION E NG I NE S
35
ED. FEBUARY 2003
zs
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