Fuel Pump (Models 30893, 30893Te, 30899 And 30899Te) - Toro Groundsmaster 4500-D Series Service Manual

Fuel Pump (Models 30893, 30893TE, 30899 and 30899TE)

Operational Test
Electrical System: Component Testing
g309899
1. Fuel pump
2. Fuel supply hose
3. Hose clamp
The fuel pump is attached to the air cleaner mount below the fuel water separator
(Figure 220).
1. Park machine on a level surface, lower cutting decks, stop engine and apply
parking brake. Raise hood to access fuel pump.
2. Disconnect fuel supply hose from the fuel injection pump fitting on the engine
(Figure 220). This hose is the fuel pump discharge.
3. Make sure fuel hoses attached to the fuel pump are free of obstructions.
4. Place disconnected end of supply hose into a large, graduated cylinder
sufficient enough to collect 0.95 liter (1 quart).
When testing fuel pump output, do not turn ignition switch to the
START position.
5. Collect fuel in the graduated cylinder by turning ignition switch to the ON
position. Allow pump to run for fifteen (15) seconds, then turn switch to OFF.
6. The amount of fuel collected in the graduated cylinder should be
approximately 475 ml (16 fl oz) after fifteen (15) seconds.
7. Replace fuel pump as necessary.
Figure 220
4. Fuel water separator
5. Engine
IMPORTANT
Page 6–58 Groundsmaster ® 4500-D/4700-D
19245SL Rev A