Checking The Fuel Lines And Connections; Bleeding The Fuel System; Bleeding Air From The Injectors - Toro 30487TC Operator's Manual

Checking the Fuel Lines and
Connections
Service Interval: Every 400 hours
Inspect the fuel lines for deterioration, damage, chaffing, or
loose connections.

Bleeding the Fuel System

1. Park the machine on a level surface. Ensure that the
fuel tank is at least half full.
2. Unlatch and raise the hood.
3. Place a rag under the air-bleed screw on the
fuel-injection pump and open it
1. Fuel-injection-pump bleed screw
4. Turn the ignition key to the O
Note: The electric fuel pump begins operation,
thereby forcing air out at the air-bleed screw.
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 O
of fuel flows out around the screw.
6. Tighten the screw and turn key to the O
Note: Normally, the engine should start after you
bleed the fuel system. However, if engine does not
start, air may be trapped between injection pump and
injectors; refer to Bleeding Air from the Injectors (page
39).
(Figure 40).
Figure 40
position.
N
position until a solid stream
N
position.
FF

Bleeding Air from the Injectors

Note: Use this procedure only if you purged the fuel system
through normal priming procedures and the engine does 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
1. Pipe connection from the injection pump to the No. 1
injector nozzle
2. Move the throttle to the F
3. Turn the ignition key the S
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.
4. Tighten the pipe connector securely when it attains a
solid flow.
5. Turn the key to the O
6. Repeat this procedure for the remaining nozzles.
39
39).
41.
Figure 41
position.
AST
position and watch the
TART
position.
FF