Fuel Pump (Models 30885 And 30887) - Toro Groundsmaster 4500-D Series Service Manual

Fuel Pump (Models 30885 and 30887)

Operational Test
Electrical System: Component Testing
g309900
1. Fuel pump
2. Pump discharge hose
3. Hose clamp
The fuel pump is attached to the air cleaner mount below the fuel water separator
(Figure 221).
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 pump discharge hose from the fuel filter attached to the
engine (Figure 221).
3. Make sure fuel hoses attached to the fuel pump are free of obstructions.
4. Place disconnected end of pump discharge 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 thirty (30) seconds, then turn switch to OFF.
6. The amount of fuel collected in the graduated cylinder should be
approximately 350 ml (11.8 fl oz) after thirty (30) seconds.
7. Replace fuel pump as necessary.
Figure 221
4. Fuel water separator
5. Engine
IMPORTANT
Page 6–60 Groundsmaster ® 4500-D/4700-D
19245SL Rev A