Taylor-Dunn E-451 - Interlock Switch Inspection

PM Schedule
Page 20
E-451 & E-457
ME-45X-01
INTERLOCK SWITCH INSPECTION
The interlock switches should disable vehicle operation when activated. Perform the following to conrm proper
operation. If any one test fails, then immediately remove the vehicle from service and refer repair to a qualied
technician.
All procedures shall be performed with the charger disconnected from its power source except for the procedure
testing the charger interlock. If using a portable charger, disconnect the charger cable from the vehicle.
If equipped with a battery disconnect switch, make sure it is in the run position before performing procedures.
Start Switch
Sit in the approved operator position, turn the start switch
OFF and select a direction, then slowly press the throttle
pedal.
• The vehicle should not operate.
Release the pedal and place the direction control switch
in the center OFF position.
Turn the start switch ON, select a direction and slowly
press the throttle pedal.
• The vehicle should operate normally.
High Pedal Disable (HPD)
Sit in the approved operator position, turn the start
switch ON.
Press and hold the throttle pedal to the oor.
Select a direction:
• The vehicle should not move
Release the throttle pedal and press again.
• The vehicle should operate normally.
Operator Presence Switch
Stand in the approved operator position, turn the start
switch ON, select a direction, and slowly press the treadle
forward.
• The vehicle should operate normally.
Release the throttle pedal, lift your foot up off the left side
oorboard and again slowly press the treadle.
• The vehicle should not operate.
These procedures may result in unexpected vehicle movement.
• All procedures shall be performed in an area that allows for possible movement of the vehicle and room to
safely stop the vehicle if it moves.
• DO NOT allow any personnel to stand in front or behind the vehicle while performing these procedures.
Failure to follow the above instructions may result in severe personal injury and/or property damage.
DO NOT bypass, modify, or disable any interlock switch. Doing so could result in unexpected movement of the
vehicle causing severe bodily injury and/or property damage.
WARNING