MAINTENANCE
69
800D MM308 (3–95)
2. Fill the fuel tank.
3. Open the side and top engine access doors.
4. Loosen the vent screw on the top of the fuel
filter.
5. Turn the ignition switch on.
6. Manually operate the priming pump on the
top of the fuel filter until fuel, free from air,
comes from the filter vent point.
FOR SAFETY: When servicing machine, keep
flames and sparks away from fuel system
service area. Keep area well ventilated.
7. While holding down the priming pump,
tighten the filter vent screw.
8. Loosen the return connection of the fuel
injection pump.
9. Operate the the priming pump until fuel, free
from air, comes from the injection pump vent
point.
10. While holding down the priming pump,
tighten the return connection to the injection
pump.
11. Loosen all four of the high pressure fuel line
connections at the atomizers.
ATTENTION! The engine may start running
spontaneously if all four of the fuel line
connections are not loosened.
12. Operate the starter motor until fuel, free
from air, comes from the line connections.
NOTE: Operating the throttle in the Fast position
will increase the fuel flow speedup the bleeding
process. After bleeding is finished, return the
throttle to Idle.
13. Tighten the high pressure fuel line
connections. The engine is now ready to
start.
14. Close the access doors.
NOTE: If the engine runs correctly for a short time
and then stops, or runs roughly, check for air in
the fuel system. If there is air in the system, there
is probably leakage in the low pressure system.
15. Turn the ignition switch off.