Electrical System Quick Checks; Battery Test (Open Circuit Test); Check Operation Of Interlock Switches - Toro Groundsmaster 4100-D Service Manual

Electrical System Quick Checks

Battery Test (Open Circuit Test)

Use a multimeter to measure the voltage between the
battery terminals.
Set multimeter to the DC volts setting. The battery
should be at a temperature of 60
o
38 C). The ignition key should be off and all accessories
turned off. Connect the positive (+) meter lead to the
positive battery post and the negative (−) meter lead to
the negative battery post.
NOTE: This test provides a relative condition of the bat-
tery. Load testing of the battery will provide additional
and more accurate information.

Check Operation of Interlock Switches

CAUTION
Do not disconnect safety switches. They are for
the operator's protection. Check the operation of
the interlock switches daily for proper operation.
Replace any malfunctioning switches before op-
erating the machine.
Groundsmaster 4100−D
o o o
F to 100 F (16 C to
Page 5 − 7
Voltage Measured
12.68 V (or higher)
12.45 V
12.24 V
12.06 V
11.89 V
Interlock switch operation is described in the Operator's
Manual. Testing of interlock switches and relays is in-
cluded in the Component Testing section of this Chap-
ter.
Rev. E
Battery Charge Level
Fully charged (100%)
75% charged
50% charged
25% charged
0% charged
Electrical System