Shutting Down The Unit; Lowering The Mast - Generac Power Systems Magnum MLT4200 Operating Manual

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SHUTTING DOWN THE UNIT

Check with personnel using power supplied by the unit and let them know the power is going to be turned off. Make
sure the power shutdown will not create any hazards by accidentally turning off equipment that needs to be kept on
(pumps, compressors, lights, etc.).
When you have finished using the unit, proceed with shut down as follows:
1. Remove any loads from the receptacles.
2. Switch the individual circuit breakers for each light to the OFF (O) position.
3. Switch the main circuit breaker to the OFF (O) position.
4. Turn the Control Power switch to the OFF position.
CIRCUIT BREAKERS
Note: For extended storage time, disconnect the battery. For extended storage requirements, refer to the engine
operator's manual.

LOWERING THE MAST

1. Shut down the lights and engine. Allow the lights to cool 10-15 minutes before lowering the mast.
2. Loosen the mast rotation knob. Rotate the mast until the white arrows are aligned and the metal stop tabs are
touching. Tighten the mast rotation knob.
3. Turn the upper mast winch handle counterclockwise to collapse the mast to its lowest position. Ensure the
electrical cord does not get caught in, or pinched by, the mast while it is being lowered.
STOP IMMEDIATELY if the mast hangs up, or the winch cable begins to develop slack.
Excess slack in the cable could cause the mast to collapse, which could result in personal
injury or equipment damage. Contact an authorized service center.
4. Release the mast lock by pulling the safety pin on the mast lock and pulling the lock bar free. Turn the handle
of the lower mast winch counterclockwise until the mast rests in the transport cradle.
Note: If the mast lock bar does not pull free, activate the lower winch slightly to relieve pressure on the mast bar.
5. After the mast is completely down, insert the mast cradle locking pin and secure it with the safety pin.
Note: If the trailer is going to be moved, Magnum Power Products LLC strongly recommends the lights be removed
from the mast and stowed for transportation. Refer to
I
I
I
I
O
O
O
O
CAUTION
"Removing the Lights for Transportation" on page
ENGINE START SWITCH
OFF
GLOW
RUN
PLUG
START
00201
22.
21

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