Bleeding The Fuel System; Bleeding Air From The Injectors - Toro Groundsmaster 3505-D Operator's Manual

Replacing the Fuel Filter
1. Clean the area where the filter mounts
51).
2. Remove the filter and clean the mounting
surface.
3. Lubricate the gasket on the filter with clean oil.
4. Install the filter by hand until the gasket contacts
the mounting surface; then rotate an additional
1/2 turn.

Bleeding the Fuel System

1. Perform the pre-maintenance procedure; refer
to Preparing the Machine for Storage (page 59)
2. Ensure that the fuel tank is at least half full.
3. Unlatch and raise the hood.
DANGER
Under certain conditions, diesel fuel and
fuel vapors are highly flammable and
explosive. A fire or explosion from fuel
can burn you and others and can cause
property damage.
Never smoke when handling fuel, and
stay away from an open flame or where
fuel fumes may be ignited by a spark.
4. Open the air-bleed screw on the fuel-injection
pump (Figure 52).
Figure 52
1. Air-bleed screw on the fuel-injection pump
5. Turn the key in the ignition switch to the O
position.
Note:
forcing air out around the air-bleed screw. Leave
(Figure
the key in the O
fuel flows out around the screw.
6. Tighten the screw and turn the key to the O
position.
Note:
Normally, the engine should start after
performing this procedure. However, if the engine
does not start, there may be air trapped between the
injection pump and injectors; refer to
from the Injectors (page
Bleeding Air from the
Injectors
Note:
Use this procedure only if the fuel system has
been purged of air through normal priming procedures
and the engine does not start; refer to
Fuel System (page
1. Loosen the pipe connection to the No. 1 nozzle
and holder assembly
1. Fuel injectors
2. Move the throttle to the F
3. Turn the key in the key switch to the S
position and watch the fuel flow around the
connector.
Note:
solid flow is observed.
4. Tighten the pipe connector securely.
5. Repeat this procedure on the remaining nozzles.
g031609
N
44
The electric fuel pump will operate,
position until a solid stream of
N
44).
44).
(Figure 53).
Figure 53
position.
AST
Turn the key to the O
FF
FF
Bleeding Air
Bleeding the
g031615
TART
position when