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Date of Origin – 02/24/11
Updated – 02/03/20
• At the rear of the trailer, locate the control panel for the
self-contained power unit.
o It is located on the road side of the trailer in the
back above the trailer bogie.
• Verify that the hydraulic quick couplers on the
self-contained power unit are fully engage with the
appropriate hoses.
• Verify that the hydraulic oil level is correct in the level
indicator.
• Verify that the hydraulic control levers are in the
neutral position.
• Start the self-contained power unit.
o Verify the throttle is fully inward.
o Pull the chock lever outward.
o Turn the key to the “START” position, once
the engine starts; allow the key to return to t
he “RUN” position.
o After the engine is running, slowly press
the choke lever inward until it is pressed
in fully and the engine remains running.
o Allow the engine to run for 1-2 minutes to
warm up to operating temperature.
o Pull the throttle cable fully outward to increase
the RPM of the motor to operating speed.
• To pull the throttle cable, push the center red button
and pull the black knob.
• Follow the procedures in the previous section
“TRAILER UNLOADING” to unload the trailer.
• Once the trailer is unloaded, shut down the self-contained
power supply.
o Press the throttle cable fully inward to decrease
the speed of the engine to idle position.
o Turn the key to the “OFF” position.
SELF-CONTAINED POWER UNIT OPERATION
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