Bleeding Air From The Injectors - Toro 30868 Operator's Manual

Fuel Lines and Connections
Check the fuel lines and connections every 400 hours or
yearly, whichever comes first. Inspect them for
deterioration, damage, or loose connections.
Water Separator
Drain water or other contaminants from the water separator
(Fig. 29) daily.
1. Place a clean container under the fuel filter.
2. Loosen the drain plug on the bottom of the filter
canister (Fig. 29). Tighten the plug after draining.
Figure 29
1. Water Separator
Replace filter canister after every 400 hours of
operation.
A. Clean the area where the filter canister mounts.
B. Remove the filter canister and clean the mounting
surface.
C. Lubricate the gasket on the filter canister with clean
oil.
D. Install the filter canister by hand until the gasket
contacts the mounting surface; then rotate it an
additional 1/2 turn.
Replacing the Fuel Pre-Filter
Replace the fuel pre-filter (Fig. 30), located between fuel
the tank and fuel pump, after every 400 operating hours or
yearly, whichever occurs first.
1. Clamp both fuel lines that connect to the fuel filter so
that fuel cannot drain when the lines are removed.
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2
2. Drain plug
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2. Loosen the hose clamps at both ends of the filter and
pull the fuel lines off of the filter.
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Figure 30
1. Fuel pre-filter
3. Slide the hose clamps onto the ends of the fuel lines.
Push the fuel lines onto the fuel filter and secure them
with the hose clamps. Be sure that the arrow on the side
of the filter points toward the injection pump.

Bleeding Air from the Injectors

Note: This procedure should be used only if the fuel system
has been purged of air through normal priming procedures
and the engine will not start; refer to Bleeding the Fuel
System, page 21.
1. Loosen the pipe connection to the No. 1 injector nozzle
and holder assembly at the injection pump (Fig. 31).
Figure 31
1. No. 1 injector nozzle
2. Move the throttle to the Fast position.
3. Turn the key in the ignition switch to the Start position
and watch the fuel flow around the connector. Turn the
key to the Off position when solid flow is observed.
4. Tighten the pipe connector securely.
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