Taylor-Dunn SS-025-34 Operation, Maintenance, And Replacement Parts Manual page 103

Motor
Set the test light voltage to the same voltage as the battery
volts.
Connect the test light across the motor 'A1' and 'A2'
terminals.
Close all interlock switches, turn the Key Switch ON,
and place the F&R Switch in Forward.
Depress the accelerator fully.
•
If the light comes on then the motor armature windings
are open and the motor must be repaired or replaced.
Stop trouble shooting here and repair the problem.
When the repair is completed, completely test the
vehicle before lowering the drive wheels to the
ground.
Connect the test light across the motor 'S1' and 'S2' terminals.
Close all interlock switches, turn the Key Switch ON,
and place the F&R Switch in Forward.
Depress the accelerator fully.
•
If the light comes on then the motor field windings are
open and the motor must be repaired or replaced.
Stop trouble shooting here and repair the problem.
When the repair is completed, completely retest
the vehicle before lowering the drive wheels to the
ground.
•
If the test light did not come on during either test then
go to the F/R Switch sequence.
The rear drive wheels may rotate during some of the following tests. Block the
front wheels, raise the rear drive wheels off the ground, and support the vehicle
with jack stands. Failure to do so may cause the vehicle to move and cause
severe bodily injury and/or property damage.
Rotating rear drive wheels are a potential hazard. Keep hands, arms, legs and
loose clothing away from the rear drive wheels while conducting tests. Failure
to do so may cause serious bodily injury.
1. Make sure the key-switch is in the "OFF" position, then remove the key.
2. Place the forward-reverse switch in the center "OFF" position.
3. Set the park brake.
4. Place blocks under the front wheels to prevent vehicle movement.
Curtis PMC Troubleshooting
Page 9