Toro 4100-D service manual Hour Meter, Audio Alarm

Hour Meter

The hour meter is located on the control console next to the operator seat.

Testing

1.Disconnect wire harness connector from hour meter.

2.Connect the positive (+) terminal of a 12 VDC source to the positive (+) terminal of the hour meter.

3.Connect the negative (--) terminal of the voltage source to the other terminal of the hour meter.

4.The hour meter should move a 1/10 of an hour in six

(6) minutes.

5.Disconnect voltage source from the hour meter. Re- connect harness connector to hour meter.

12

Figure 27

1. Positive (+) terminal 2. Negative (-) terminal

Audio Alarm

The audio alarm for low engine oil pressure or high en- gine coolant temperature is attached to the control con- sole next to the operator seat.

Testing

1. Disconnect wire harness connector from alarm.

IMPORTANT: Make sure to observe polarity on the alarm terminals when testing. Damage to the alarm may result from an improper connection.

2.Correctly connect 12VDC source to the alarm termi- nals (Fig. 28).

3.Alarm should sound. Remove voltage source from the alarm.

4.Reconnect harness connector to alarm.

4

1		3	2
		Figure 28
1.	Top view	3.	Positive (+) terminal
2.	Bottom view	4.	Negative (-) terminal

Electrical System

Groundsmaster 4100--D Page 5 -- 19 Electrical System