Interlock Switch Inspection; Start Switch; Operator Presence Switch (Ops); Battery Door Switch - Taylor-Dunn TT-416 Operator's Manual

MT-416-00

INTERLOCK SWITCH INSPECTION

The interlock switches should disable vehicle operation when activated. Perform the following to
confirm proper operation. If any one test fails, then immediately remove the vehicle from service
and refer repair to a qualified technician.
WARNING
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.

Start Switch

Turn start switch OFF.
Stand in the approved operator position.
Select a direction, then slowly press the treadle.
• The vehicle should not operate.
Release the treadle and place the direction
control switch in the center OFF position.
Turn the start switch ON, select a direction and
slowly press the treadle.
• The vehicle should operate normally.

Operator Presence Switch (OPS)

Stand in the approved operator position.
Place direction control switch in the center OFF
position then turn the start switch ON, select a
direction, and slowly press the treadle forward.
• The vehicle should operate normally.
Release the treadle, lift your foot up off the
left side floorboard and again slowly press the
treadle.
• The vehicle should not operate.
TT-416 Stand Up Tow Tractor

Battery Door Switch

Remove all battery access doors.
Stand in the approved operator position.
Place direction control switch in the center OFF
position then turn the start switch ON, select a
direction, and slowly press the treadle forward.
• The vehicle should not operate.
Replace one door at a time and attempt to
operate the vehicle after each door is installed.
• The vehicle should not operate until
the last door is installed, then it should
operate normally.
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