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Figure 35
Bleeding the Fuel System
You must bleed the fuel system before starting the
engine if any of the following have occurred:
•
Initial start up of a new machine
•
The engine has ceased running due to lack of fuel.
•
Maintenance has been performed upon fuel
system components (i.e., filter replaced, separator
serviced, etc.)
1.
Perform the pre-maintenance procedure; refer
to
Maintenance Safety (page 32)
that the fuel tank is at least half full.
2.
Open the hood and secure it with the prop rod.
3.
Open the air-bleed screw on the fuel-injection
pump
(Figure
36) with a 12 mm wrench.
1. Bleed screw
4.
5.
Note:
procedure. However, if engine does not start, air may
be trapped between injection pump and the injectors;
g031412
refer to
Bleeding Air from the Fuel
Injectors
Note:
been purged of air through normal priming procedures
and the engine does not start; refer to
Fuel System (page
1.
and ensure
41
Figure 36
Turn the key in the ignition switch to the O
position. The electric fuel pump will begin
operation, thereby forcing air out around the air
bleed screw. Leave the key in the O
until a solid stream of fuel flows out around the
screw.
Tighten the screw and turn the key to the O
position.
The engine should start after you perform this
Bleeding Air from the Fuel Injectors (page
Use this procedure only if the fuel system has
41).
Loosen the pipe connection to the No. 1 nozzle
and holder assembly
(Figure
g003993
N
position
N
FF
41).
Bleeding the
37).
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