PowerHalt is a registered trademark of Pacbrake Co.
8
PH3 EL AUTOMATIC ACTUATION
L6319
8
P O W E R G U A R D T E S T P R O C E E D U R E
TO ENTER TEST MODE:
With the engine running, hold the reset and test buttons together for 5 seconds until both
led
lights start
flashing, and then release both buttons
Press and release the TEST button to enter test mode, where the trip point will be reduced to a lower limit
based on number of presses from prior set-up procedure.
1.
90% of original
rpm
, or 82% of trip point
2.
90% of original
rpm
, or 75% of trip point
3.
90% of original
rpm
, or 69% of trip point
4.
100% of original
rpm
, or 50% of trip point
The controller will wait for 60 seconds before reverting back if trip point is not reached.
If the RPM trip point is reached, the valve will close and the red
led
will illuminate until 0
rpm
is detected
and either 30 seconds elapses or the TEST button is pressed
Next, the valve will automatically re-open and the red
led
will extinguish
9
P O S T I N S TA L L AT I O N T E S T I N G
Once the installation is complete, ensuring all steps, schematics and recommendations have been
followed, it is now time to test your system
1.
Press the red TRIP button and confirm the red
led
is illuminated. Wait 30 seconds for the valve to
auto reset
2.
Start the engine
3.
Press the red TRIP button and ensure:
• The engine stops within a few seconds
• Hose collapse is not severe
• No excessive leaks are present in the system
NOTE: if the engine does not fully shut down check all intake piping and hoses for leaks between
the valve and intake system. If the system is sealed and the valve still fails to shut down the engine
consult your Pacbrake service representative for support
4.
Once the engine stops wait 30 seconds until the valve automatically re-opens and the red
led
turns off
5.
Utilize the test mode as per PowerGuard Test Procedure to ensure that the automatic overspeed is
functioning properly
