Bleeding Air From The Injectors - Toro 30487N Operator's Manual

CAUTION
The engine may start during this procedure.
Moving fans and belts in a running engine can
severely injure you or bystanders.
Keep hands, fingers, loose clothing/jewelry,
and hair away from the engine fan and belt
during this procedure.
5. Leave the key in the On position until a solid stream
of fuel flows out around the screw.
6. Tighten the screw and turn key to the Off position.
Note: Normally, the engine should start after above
bleeding procedures are followed. However, if engine
does not start, air may be trapped between injection
pump and injectors; refer to
Injectors (page 41).

Bleeding Air from the Injectors

Note: Use this procedure only if the fuel system has been
purged of air through normal priming procedures and engine
will not start; refer to Bleeding the Fuel System (page
1. Place a rag under the pipe connection coming from
the injection pump to the No. 1 injector nozzle as
illustrated in Figure
Figure 44
1. Pipe connection from the injection pump to the No. 1
injector nozzle
2. Move the throttle to the Fast position.
3. Turn the ignition key the Start position, and watch the
fuel flow around the connector.
CAUTION
The engine may start during this procedure.
Moving fans and belts in a running engine can
severely injure you or bystanders.
Keep hands, fingers, loose clothing/jewelry,
and hair away from the engine fan and belt
during this procedure.
Bleeding Air from the
44.
4. Tighten the pipe connector securely when it attains a
solid flow.
5. Turn the key to the Off position.
6. Repeat this procedure for the remaining nozzles.
40).
41