Kohler APM402, Operation

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142 TP-6694 9/20
Figure 77 Prime Power Switch Connections
6.1.11 Remote Emergency Stop Kit
The emergency stop (E-stop) kit allows immediate shutdown of the generator set from a remote location. If the emergency stop
switch is activated, the EMERGENCY STOP lamp lights and the unit shuts down immediately, bypassing the engine cooldown
cycle. Before attempting to restart the generator set, reset the emergency stop switch and reset the generator set by pressing
and holding the OFF/RESET button for 3 seconds.
Two emergency stop kits are available. See Figure 78 and the following instructions.
6.1.12 Remote emergency stop kit.
This switch uses a glass piece that must be replaced after activation.
1. To stop the generator set, pull down on the handle, breaking the glass piece.
2. To reset the emergency stop switch, return the handle to the original position and replace the glass piece with a new
one.
3.
Press and hold the controller’s OFF/RESET button for 3 seconds.
Use the single glass piece located inside the switch for replacement and order additional glass pieces as service parts.
6.1.13 Lockable Emergency Stop Switch
This switch can be locked in the activated position to prevent generator set starting. Use a customer-provided locking device
inserted into the holes in the shroud to lock the switch until the generator set can be operated safely.
Operation
Press the red STOP button to shut down the generator set in an emergency.
Using the emergency stop button bypasses the engine cooldown cycle, stopping the engine immediately. The emergency stop
LED on the RSA III lights (if equipped) and the unit shuts down. The generator set cannot be restarted until the emergency stop
switch(es) is/are reset.
Prime
Power
Switch
To Engine Harness
APM402 / DEC 3000 Controller
Toggle switch shown in the
prime power mode off
position (contacts open)