OPERATOR'S MANUAL MAINTENANCE

Section 3 - Maintenance
Routine Maintenance
Fuel System
3-79 3-79
9803/JSM-0412
Bleeding the System
Air in the fuel system could cause misfiring or failure to
start. Air will enter the system if any part of it is
disconnected or emptied.
Note: Running the engine with air in the system could
damage the fuel injection pump. After maintenance,
remove air from the fuel system as detailed below.
1 Prepare the machine.
K Prepare the Machine for
Maintenance ( T 3-29).
2 Locate the fuel filter A,
K Fig 55. ( T 3-79).
3 Loosen the air bleeder plug B and operate the priming
pump C until fuel appears at plug B.
4 Tighten plug B and operate pump C until the fuel filter
is filled with fuel.
5 Wait approximately one minute and loosen air
bleeder plug B to bleed any air from the fuel filter.
6 Repeat the previous three steps until no air comes
from the bleeder plug B.
7 Tighten the plug B securely and wipe off any spilt fuel.
8 Start the engine but do not increase engine speed. If
the engine fails to start repeat procedure from step 5.
9 After engine start up, keep at idle speed for five
seconds before increasing speed slowly for three
minutes.
10 Use throttle dial to operate the machine at maximum
speed.
11 Stop machine and check for leaks.
Fig 55.
D
E
A
B
C