Toro 30857 - Fuel Pump

Groundsmaster 4500--D/4700--DPage 5 -- 30Electrical System
Fuel Pump
Thefuelpumpisenergizedby the TEC--5002controller
when the ignition switch is either in the START or ON
position.Thefuelpumpisattachedtotheleftsideframe
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,stopengineandengageparkingbrake.Remove
key from ignition switch.
2. Raise and support hood.
3. Remove20Afuse(F1--1)(Fig.43)fromfuseblockto
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. Placedisconnectedfuelhose(pumpdischarge)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