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Groundsmaster 4100--DPage 5 -- 26Electrical System
Fuel Pump
The fuel pump is attached to the frame above the fuel
water separator (Fig. 38).
Operational Test
1. Park machine on a level surface, lower cutting deck,
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.
1. Fuel water separator
2. Fuel pump
3. Pump inlet hose
4. Pump discharge hose
Figure 38
2
1
3
4
Fuel Pump Specifications
Pump Capacity
64 fl oz/min (1.9 l/min)
Pressure 7 PSI (48.3 kPa)
Current Draw 2.0 amp