MacDon 9000 - Page 75

MAINTENANCE/SERVICE
Diesel Engine: Fuel System
FUEL SYSTEM AIR REMOVAL - DIESEL ENGINE
(continued)
To bleed high pressure lines:
A
WARNING: Escaping fluid under pres-
sure 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 t"IOZ2les
which eject fluids under high pressure. Use a
piece d 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
fam iliar with this type d injury or gangrene coud
result
A
A
WARNING: Do not bleed a hot erigine
as this could cause fuel to spill onto a
hot exhaust manifold creating a danger
d fire.
WARNING:
It is necessary to have the
engine cranking for this procedure.
Two persons will be required; one to
tum ignition switch and one to watch
the injector connections and tighten the fittings
when the line is free d air.
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, ~ loosen fittings at
the injectors (A) .
2. Tum key in ignition switch fully clockwise to
START position) and crank for 15 seconds
maximum. Allow starter
to cool for one minute
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
BLEEDING HIGH PRESSURE LINES
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