Priming The Fuel System; Electrical System Maintenance; Electrical System Safety; Disconnecting The 12 V Battery - Toro 03956 Operator's Manual

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Figure 131
1. Fuel-sender cover
2. Phillips-head screw

Priming the Fuel System

Prime the fuel system after the following scenarios:
Replacing the fuel filter.
Draining the water separator after each use or
daily.
Running out of fuel.
Replacing a fuel hose or open the fuel system for
any reason.
To prime the fuel system, perform the following steps:
Important:
Do not use the engine-starter motor
to crank the engine for fuel-system priming.
1.
Ensure that fuel is in the fuel tank.
2.
Perform the following steps to prime the filter
and the lines to the high-pressure pump to
prevent wear or damage to the pump:
A.
Cycle the key to the O
20 seconds.
B.
Cycle the key to the O
40 seconds.
Note:
This allows the ECU to power down.
C.
Cycle the key to the O
20 seconds.
D.
Inspect for leaks around the filter and hoses.
E.
Start the engine and inspect for leaks.
g373885
3. Fuel tank
position for 15 to
N
position for 30 to
FF
position for 15 to
N
Electrical System
Maintenance

Electrical System Safety

Disconnect the battery before repairing the
machine. Disconnect the negative terminal first
and the positive last. Connect the positive terminal
first and the negative last.
Charge the battery in an open, well-ventilated
area, away from sparks and flames. Unplug the
charger before connecting or disconnecting the
battery. Wear protective clothing and use insulated
tools.
Disconnecting the 12 V
Battery
DANGER
Battery electrolyte contains sulfuric acid,
which is fatal if consumed and causes severe
burns.
• Do not drink electrolyte and avoid contact
with skin, eyes, or clothing. Wear safety
glasses to shield your eyes and rubber
gloves to protect your hands.
• Fill the battery where clean water is always
available for flushing the skin.
1.
Prepare the machine for maintenance; refer to
Preparing for Maintenance (page
2.
Open the screen; refer to
(page
60).
3.
Press the sides of the battery cover, and remove
the cover from the battery tray
72
60).
Opening the Screen
(Figure
132).

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