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Starting and Stopping the PT-3000
CHECK BEFORE OPERATING THE ENGINE
If the engine is malfunctioning DO NOT operate until repairs
are made.
Be sure cover, guards and shields are in place before operating
the engine. Replace any that are damaged or missing.
Check to see that the area around the engine is clear of foreign
objects before starting.
DO NOT allow children or animals to approach the APU
while in operation.
DO NOT start the engine by shorting across starter terminals.
Engine starting controls
1) PT-3000 Main switch (located on the internal control panel on the APU) must
Be in ON position.
NOTE: This switch should be in the ON position except when performing
maintenance or to prevent starting for any reason.
2) Toggle the driver control panel switch to the ON position.
3) Glow plugs will preheat for 8 seconds. LED light flashes slowly.
4) Preheating will cease during engine cranking cycle. LED light continues flashing.
5) Engine begins an 8 second crank cycle, After 4 seconds of cranking the PT ECU-
64 will check for an AC signal from the generator. If an AC signal is verified the
engine will start and the LED will remain ON during the normal run operation. If
the AC signal is not verified the PT ECU-64 will terminate the cranking cycle and
LED light will flash a fault code.
6) Starter disengages immediately after engine run is verified.
7) PT ECU-64 deactivates the low Oil Pressure and high Water Temperature
switches for 6 seconds; this will assure oil pressure build up time. If oil pressure
does not build up the engine will immediately shut down and go into a fault mode.
Likewise for a high temperature situation.
8) If engine will not start on the first attempt the PT ECU-64 will initiate the start
cycle 2 more times before going into fault mode. Glow plugs will preheat for 8
seconds per attempt. Engine will crank for 8 seconds per attempt.
9) To shut down the engine under normal operations, push the driver control box
switch to the STOP position.
10) If a fault occurs during the normal operation of the PT-3000 the LED on the
driver control box will repeat a flashing code. This code will help troubleshoot the
problem. Count the flashes to determine the problem and refer to the service
manual for corrective procedures. The fault codes are as follows
LED Flashes 1 Time: Failure to Start
LED Flashes 2 Times: High Water Temperature
LED Flashes 3 Times: Low oil Pressure
LED Flashes 4 Times: No AC signal
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