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EG-114
ENGINE - FUEL SYSTEM
(b)
Using
8
wooden stick. remove the carbon adhering to
the nozzle needle tip.
(e)
Using a brass brush. remove the carbon from the
exterior of the nozzle body (except lapped surface).
(d)
Check the seat of the nozzle body for burns or corro-
sion.
(e)
Check the nozzle needle tip for damage or corrosion.
If
any of
these conditions are present, replace the
nozzle assembly.
One third of
its lenglh
About 60 degrees
2.
INSPECT NOZZLE ASSEMBLY
(a) Wash the nozzle in clean diesel fuel.
HINT: Do not touch the nozzle mating surfaces with
your fingers.
(b)
Tilt the nozzle body about 60 degrees and pull the
needle out about one third of its length.
(el
When released. the needle should stick down into the
body vent smoothly by its own weight.
(d)
Repeat this test, rotating the needle slightly each time.
If the needle does not sink freely, replace the nozzle
assembly.
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