Form # 46584
Issue 11/06 Web Rev_01
75
MAINTENANCE/SERVICE
Diesel Engine: Fuel System
FUEL SYSTEM AIR REMOVAL - DIESEL ENGINE
(continued)
To bleed high pressure lines:
WARNING: Escaping fluid under
pressure can penetrate the skin
causing serious injury. When
disconnecting diesel lines, have engine
stopped and loosen fittings slowly to relieve
pressure. Tighten all connections before
applying pressure. Keep hands and body away
from pin-holes and nozzles which eject fluids
under high pressure. Use a piece of cardboard
or paper to search for leaks. Do not use your
hand.
If ANY fluid is injected into the skin, it must be
surgically removed within a few hours by a
doctor familiar with this type of injury or
gangrene could result.
WARNING: Do not bleed a hot engine
as this could cause fuel to spill onto
a hot exhaust manifold creating a
danger of fire.
WARNING: It is necessary to have the
engine cranking for this procedure.
Two persons will be required; one to
turn ignition switch and one to watch
the injector connections.
Use extreme care when working around
moving parts. Wear close fitting clothing and
protective eye-wear. Keep hands, feet, clothing
and hair away from moving parts.
1. With engine stopped, slowly loosen fittings at
the injectors as shown.
2. Turn key in ignition switch fully clockwise to
START position) and crank for 15 seconds
maximum. Allow starter to cool for two minutes
before cranking again.
3. When clear fuel with no air bubbles flows from
the connections, stop cranking the engine and
tighten fittings.
AVOID PRESSURIZED FLUID
1
2
3
4
BLEEDING HIGH PRESSURE LINES
Summary of Contents for 9250
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