Toro 4700-D Lawn Mower User Manual


 
Groundsmaster 4500--D/4700--DPage 5 -- 30Electrical System
Fuel Pump
The fuel pump is energized by the TEC--5002 controller
when the ignition switch is either in the START or ON
position. Thefuel pump is attachedto the left sideframe
rail.
IMPORTANT: When testing fuel pump, make sure
that pump is not operated without fuel.
Fuel Pump Capacity Test
1. Park machine on a level surface, lower cutting
decks, stop engineand engage parking brake.Remove
key from ignition switch.
2. Raise and support hood.
3. Remove20A fuse (F1--1) (Fig.43) from fuseblock to
prevent the engine from cranking.
4. Make sure fuel hoses attached to the fuel pump are
free of obstructions.
5. Disconnect fuel pump discharge hose from the fuel/
water separator inlet fitting (Fig. 42).
6. Place disconnected fuel hose (pump discharge) into
a large, graduated cylinder sufficient enough to collect
1 quart (0.95 liter).
7. Collect fuel in the graduated cylinder by turning igni-
tion switch to the ON position. Allow pump to run for 15
seconds, then turn switch to OFF.
8. The amount of fuel collected in the graduated cylin-
der should be approximately 16 fl oz (475 ml) after 15
seconds.
9. Replace fuel pump if necessary.
10.Install fuel hose to the fuel/water separator. Secure
hose with hose clamp.
11.Install 20A fuse into fuse block.
12.Bleed the fuel system.
13.Lower and secure hood.
1. Fuel/water separator
2. Pump discharge hose
3. Inlet fitting
Figure 42
2
1
3
Figure 43
4321
F4
FRONT
2A
F3
F2
F1
7.5 A
7.5A
7.5A
2A
7.5A
7.5A
7.5A
10A
10A
10A
10A
20A
OPTION
OPTION
OPTION
M1 (60A)
M2 (option)
Fuel Pump Specifications
Pump Capacity
64 fl oz/min (1.9 l/min)
Pressure 7 PSI (48.3 kPa)
Current Draw 2.0 amp