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Groundsmaster 4000--D/4010--D Page 5 -- 59 Electrical System
Fuel Pump (Models 30607 a nd 30609)
The fuelpump is attachedto the fueltank supportabove
the fuel water separator (Fig. 78).
Operational Test
1. Park machine on a level surface, lower cutting
decks, stopengine andapplyparking brake. Raise hood
to access fu el pump.
2. Disconnect fuel pump discharge hose from the fuel
filter attached to the engine (Fig. 79).
3. Make sure fuel hoses attached to the fuel pump are
free of obstructions.
4. Place disconnected end of fuel pump discharge
hose into a large, graduated cylinder sufficient enough
to collect 1 quart (0.95 liter).
IMPORTANT: When testing fuel pump output, do
not turn ignition switch to the START position.
5. Collect fuel in the graduated cylinder by turning igni-
tion switch to the RUN position. Allow pump to run for
thirty (30) seconds, then turn switch to OFF.
6. The amount of fuel collected in the graduated cylin-
der should be approximately 11.8 fl oz (350 ml) after
thirty (30) seconds.
7. Replace fuel pump as necessary.
IMPORTANT: If fuel pump is replaced, make sure
that replacement pump is the correct pump for your
Groundsmaster by using your Parts Catalog. If in -
correct pump is used, fuel system components can
be damaged.
8. Install fuel hose to the engine mounted fuel filter and
secure with hose clamp.
9. Prime fuel system (see Fuel System in the Service
and Repairs section of Chapter 3 -- Yanmar Diesel En-
gine).
10.Lower and secure hood.
1. Fuel water separator
2. Fuel pump
3. Pump inlet hose
4. Pump discharge
Figure 78
2
1
3
4
Figure 79
1. Tier 4 engine
2. Hose clamp
3. Pump discharge hose
4. Fuel return hose
2
3
1
4
Fuel Pump Specifications
Pump Capacity
23.5 fl oz/min (700 ml/min)
Pressure 3.3 PSI (22.8 kPa)
Current Draw 0.9 Amp
Electrical
System