Hourmeter - Toro Z MASTER 2000 Series Service Manual

Key/Ignition Switch Test
Position
OFF
RUN
START

Hourmeter

Hourmeter Test
Electrical: Service and Repairs
•
1- PTO Switch
•
2- Operator Presence Switch, Safety Interlock Switches
•
3- Starting Circuit
•
4- Regulator, Charging Circuit
•
5- Battery Voltage In
g336416
1. Remove the control panel from the right console.
2. Disconnect the ignition switch from the wire harness.
3. Using a digital multi-meter set to the OHM or Continuity setting, verify that
continuity exists between the terminals listed for each switch position.
4. Using a digital multi-meter set to the OHM or Continuity setting, verify that
NO continuity exists between the terminals not listed for each switch position.
The hourmeter records hours of operation when the ignition key is ON and the
PTO switch is ON.
With the ignition switch in the RUN position and the PTO switch closed (ON),
verify battery voltage and ground to the hourmeter.
Figure 83
Page 8–6
Circuit "Make"
None
B + R + I + A
B + R + I + S
2000 Series Z MASTER® Service Manual
3438-778 Rev A