Fuel Pump
Thefuelpumpisattachedtotheframenearthefuelpre--
filter (Fig. 29).
1
2
IMPORTANT: When testing fuel pump, make sure
that pump is not operated without fuel.
3
Fuel Pump Capacity Test
1.
stop engine, and engage parking brake.
Park machine on a level surface, lower cutting units,
2.
solenoid to prevent the engine from firing.
Disconnect electrical connector from the engine run
3.
separator.
Disconnectfuelpumpdischargehosefromthewater
Figure 29
3.
1.
2.
Fuel pump
Fuel pre--filter
Pump discharge hose
4.
Make sure fuel hoses attached to the fuel pump are
free of obstructions.
Fuel Pump Specifications
5.
large, graduated cylinder sufficient enough to collect 1
quart (0.95 liter).
Place disconnected pump discharge hose into a
Pump Capacity
Pressure
23.5 fl oz/min (695 ml/min)
3.3 psi (22.8 kPa)
0.9 amp
Max. Current
Draw
6.
tion switch ON. Allow pump to run for 30 seconds, then
release ignition switch to OFF.
Collect fuel in the graduated cylinder by turning igni-
7.
der should be approximately 11.75floz (350ml) after30
seconds.
The amount of fuel collected in the graduated cylin-
8.
Replace fuel pump as necessary. Install fuel hose to
the water separator.
9.
Reconnect electrical connector to the engine run so-
lenoid.
10.Bleed
Manual).
the fuel system (see Traction Unit Operator’s
Groundsmaster 4500--D/4700--D
Page 5 -- 19 Rev. D
Electrical System (Rev. A)
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| Document Type | Service Manual |
| Language | English |
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