Specifications 6; Fuel Pump - Toro Groundsmaster 4000-D Service Manual

Fuel Pump

The fuel pump is attached to the frame above the fuel
water separator (Fig. 36).
Operational Test
1. Park machine on a level surface, lower cutting
decks, stop engine and apply parking brake.
2. Disconnect wire harness electrical connector from
the fuel stop solenoid to prevent the engine from firing.
3. Disconnect fuel hose (pump discharge) from the fuel
water 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 15
seconds, then turn switch to OFF.
7. The amount of fuel collected in the graduated cylin-
der should be approximately 16 fl oz (475 ml) after 15
seconds.
8. Replace fuel pump as necessary. Install fuel hose to
the water separator.
9. Connect wire harness electrical connector to the fuel
stop solenoid.
10.Prime fuel system.
Electrical System
2
4
1. Fuel water separator
2. Fuel pump
Fuel Pump Specifications
Pump Capacity
Pressure
Current Draw
Page 5 - - 24
3
1
Figure 36
3. Pump inlet hose
4. Pump discharge hose
64 fl oz/min (1.9 l/min)
7 PSI (48.3 kPa)
2.0 amp
Groundsmaster 4000--D