Fuel Pump - Toro Groundsmaster 4000-D Service Manual

Fuel Pump

The fuel pump is attached to the frame above the fuel
water separator.
Operational Test
1. Park machine on a level surface, lower cutting units,
stop engine, and engage parking brake.
2. Disconnect electrical connector from the fuel stop
solenoid to prevent the engine from firing.
3. Disconnect fuel hose (pump discharge) from the wa-
ter separator.
4. Make sure fuel hoses attached to the fuel pump are
free of obstructions.
5. Place fuel hose (pump discharge) into a large, grad-
uated cylinder sufficient enough to collect 1 quart (0.95
liter).
6. Collect fuel in the graduated cylinder by turning igni-
tion switch to the ON position. Allow pump to run for 30
seconds, then turn switch to OFF.
7. The amount of fuel collected in the graduated cylin-
der should be approximately 11.75 fl oz (350 ml) after 30
seconds.
8. Replace fuel pump as necessary. Install fuel hose to
the water separator.
9. Reconnect electrical connector to the fuel stop sole-
noid.
10.Prime fuel system.
Electrical System
1
3
1. Fuel pump
2. Water separator
Fuel Pump Specifications
Pump Capacity
Pressure
Max. Current
Draw
Rev. E
Page 5 − 20
2
Figure 29
3. Pump discharge hose
23.5 fl oz/min (695 ml/min)
3.3 psi (22.8 kPa)
0.9 amp
Groundsmaster 4000−D