Fuel Pump - Toro Groundsmaster 4300-D Service Manual

Fuel Pump

Testing the Fuel Pump Capacity
Groundsmaster ® 4300-D
16226SL Rev C
The fuel pump is attached to the air cleaner stand adapter below the fuel/water
separator (Figure 186). Electrical current is available for the fuel pump when the
key switch is in either the R
The Toro Electronic Controller (TEC) energizes the fuel pump.
When testing the fuel pump, ensure that the pump is not operated
without fuel.
Diesel fuel is highly flammable.
• Use caution whenever you handle diesel fuel.
• Do not smoke while testing the fuel pump.
• Do not test the fuel pump while the engine is hot.
• Ensure that there is adequate ventilation when testing.
• Always wipe up any spilled diesel fuel before starting the engine.
g190995
1. Fuel pump
2. Pump discharge hose
1. Park the machine on a level surface, lower the cutting decks, shut off the
engine, and set the parking brake. Ensure that the key switch is in the O
position.
2. Unlatch the hood and raise it.
3. Ensure that the fuel hoses attached to the fuel pump are free of obstructions.
4. Disconnect the fuel pump discharge hose from the inlet fitting of the
fuel/water separator.
or S position.
UN TART
IMPORTANT
DANGER
Figure 186
3. Fuel/water separator
Page 5–79 Electrical System: Testing the Electrical Components
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