Toro Groundsmaster 4300-D Service Manual page 301

Testing the Fuel Sender (continued)
Groundsmaster ® 4300-D
16226SL Rev C
4. To test the circuit wiring and InfoCenter fuel gauge, use a jumper wire to
connect the 2 terminals in the wire harness connector. Ensure that the
jumper wire connections are secure.
g188097
1. Fuel sender
2. Fuel supply fitting
5. Turn the key switch to the R
indicate a full fuel tank if the circuit wiring and InfoCenter are working
correctly. Turn the key switch to the O
sender if the circuit wiring and InfoCenter are acceptable.
6. Loosen the hose clamps and carefully disconnect the fuel supply and return
hoses from the fittings on the top of the fuel sender.
Before removing the fuel sender from the tank, note the orientation
of the fuel sender fittings for assembly purposes
7. Carefully remove the fuel sender cap that secures the fuel sender in the
fuel tank.
8. Lift the fuel sender and sender gasket from the fuel tank. Clean all the fuel
from the sender.
Ensure that the fuel sender is completely dry (no fuel on it) before the
testing. Perform the test away from the tank to prevent an explosion
or fire from sparks.
Figure 184
3. Fuel return fitting
position. The InfoCenter display should
UN
position and continue testing fuel
FF
IMPORTANT
CAUTION
Page 5–77 Electrical System: Testing the Electrical Components
(Figure 184).