Toro Groundsmaster 5900 Series Service Manual page 368

Testing (continued)
Electrical System: Component Testing
g288590
1. Cutting Deck manifold front shown)
2. Using a multimeter (ohms setting), measure resistance between the two (2)
connector terminals on the solenoid coil. The resistance for the solenoid
coils is identified below:
A. The coils of the solenoid valves at the following locations are the same.
Resistance of these coils should be approximately 8.8 ohms when tested
at 20 ºC (68 ºF):
Steering/Lift manifold S4, S5, S6 and S9
B. The coils of the solenoid valves at the following locations are the same.
Resistance of these coils should be approximately 7.1 ohms when tested
at 20 ºC (68 ºF):
Steering/Lift manifold S1, S2, S3, S7 and S8
Cutting Deck manifolds (front, left and right) PRV
Note: To assist in troubleshooting, identical replaceable solenoid coils
can be exchanged. If the problem follows the coil, the coil is likely at fault.
If the problem remains unchanged, something other than the coil is the
likely problem source (e.g. switch, circuit wiring, hydraulic problem).
Note: Hydraulic solenoid valves S1 through S9 (steering/lift manifold)
and PRV (cutting deck manifolds) have replaceable coils. If these
solenoid coils fail a resistance test, replace the entire valve assembly
(see Hydraulic Solenoid Valve Coils (page
Figure 249
2. Solenoid valve PRV
Page 6–106
2
1
(Figure 248)
(Figure 248).
(Figure 249).
6–146)).
Groundsmaster ® 5900 & 5910
16227SL Rev B