Fuel Pump
The fuel pump is attached to the fuel tank support above
the fuel/water separator (Fig. 34).
IMPORTANT: When testing fuel pump, make sure
that pump is not operated dry.
1
Operational Test
1.
Park machine on a level surface, lower cutting units,
2
stop engine, and engage parking brake.
3
2.
Disconnect electrical connector from the fuel stop
solenoid to prevent the engine from firing.
DANGER
Figure 34
1.
2.
Fuel pump
Fuel/water separator
3.
Pump discharge hose
Because diesel fuel is highly flammable, use cau-
tion when testing. Do not smoke while testing the
fuel pump. Do not perform this test while engine
is running, hot, or when machine is in an en-
closed area. Always wipe up any spilled diesel
fuel before starting the engine.
Fuel Pump Specifications
Pump Capacity
Pressure
23.5 fl oz/min (695 ml/min)
3.3 psi (22.8 kPa)
Maximum Current
Draw
3.
ter separator.
Disconnect fuel hose (pump discharge) from the wa-
0.9 amp
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 and holding it in the START position. Allow
pump to run for 30 seconds, then release switch to OFF.
7.
The amount of fuel collected in the graduated cylin-
der should be approximately 11.75 fl oz (350 ml) after 30
seconds.
8.
Replace fuel pump as necessary. Reconnect fuel
hoses.
9.
Reconnect electrical connector to the fuel stop sole-
noid.
10.Bleed
the fuel system (see Operator’s Manual).
Electrical System
Page 5 − 22 Rev. E
Groundsmaster 4100−D
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| Language | English |
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