Toro Groundsmaster 5900 Series Service Manual page 333

Testing (continued)
Groundsmaster ® 5900 & 5910
16227SL Rev B
g288506
1. COM B terminal
2. NO B terminal
3. NC B terminal
5. The switch terminals are marked as shown in
of the PTO switch is shown in below table. With the use of a multimeter
(ohms setting), the switch functions may be tested to determine whether
continuity exists between the various terminals for each switch position.
Verify continuity between switch terminals.
SWITCH POSITION
OFF (DOWN)
ON (UP)
6. Replace switch if testing determines that it is faulty.
7. If the switch tests correctly and a circuit problem still exists, check the wire
harnesses (see Appendix A (page
8. After testing is complete, connect machine wire harness connector to switch.
9. Assemble console arm (see
10. Turn the battery−disconnect switch to the ON position before returning the
machine to service.
5
Figure 211
4. COM C terminal
5. NO C terminal
6. NC C terminal
CLOSED CIRCUITS
COM B + NC B
COM C + NC C
COM B + NO B
COM C + NO C
A–1)).
Console Arm (page
Page 6–71
4 1 2
6 3
Figure 211. The circuit logic
OPEN CIRCUITS
COM B + NO B
COM C + NO C
COM B + NC B
COM C + NC C
7–35)).
Electrical System: Component Testing