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24. SERVICE PROCEDURE
24.11.4
VENTING THE FUEL SYSTEM
Controlled
venting
is provided at the injection pump through the fuel drain
manifold.
Small amounts of air introduced
by changing
the filter or injection
pump supply line will be vented automatically,
if the fuel filter is changed in
accordance with the instructions. Manual bleeding is required if, the fuel filter is
not filled prior to installation,
initial engine start up or start up after an extended
period of on engine operation or the machine fuel tank has run empty.
24.11.4.1
LOW PRESSURE FILTER LINES AND FUEL FILTER
1. Open the vent screw (1). Operate the hand lever (2) on the fuel lift pump
until the fuel flowing from the fitting is free of air. Tighten the vent screw.
24.11.4.2
HIGH PRESSURE LINES
A
WARNING
+ The pressure of the fuel in the line is sufficient to penetrate the skin
and cause serious bodily harm.
+ For your personal protection never perform any adjustments
alone
with the engine running. Always have another experienced
person
helping in the operator's compartment
when adjustments
must be
done with the engine running. When making adjustments,
lock the
safety lever in the down position and apply the brake.
Venting is accomplished by loosening one injector fitting and cranking the engine
to allow entrapped air to bleed from the line.
1. Loosen the fitting at the injector, and crank the engine to allow entrapped air
to bleed from the lines. Tighten the fittings.
2. Start the engine and vent one line at a time until the engine runs smoothly.
REMARK
Run engine at low idle when venting lines.
24.11.5 ANGLING FRAME TO BLADE
Periodically or as required the lower (1) and upper (2) shims (both sides) may
have to be removed to take up wear between the angling frame (3) and the
blade (4). The gap between the angling frame and blade should not exceed 3
mm (0.12 in) minimum gap.
The lower shim pack is to consist of no less than 1 shim and no more than 6
shims. The upper shim pack is to consist of no less than 2 shim and no more
than 7 shims. The gap should permit free movement between the angling frame
and blade without any binding.
3-62
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