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LT12 SERIES LIGHT TOWER • OPERATION MANUAL — REV. #12 (01/20/09) — PAGE 27
MAST OPERATION
Outriggers and Support Stands
See Figure 16 for location of components.
Make sure both outriggers are extended. To extend the 1.
outriggers, pull the locking pin on the outrigger and hold
while sliding out the outrigger assembly.
Deploying OutriggersFigure 16.
DANGER
ALWAYS make sure the area above
light tower is open and clear of
overhead power lines and other
obstructions. The tower extends
in excess of 30 feet (9 meters).
Contact with overhead power lines
or other obstructions could result in
equipment damage, serious injury
or death!
DANGER
DO NOT stand behind
the trailer while the
mast is being raised or
lowered. Serious injury
could result if the mast
falls down.
TO RELEASE
OUTRIGGER
PULL PIN
PULL
OUTRIGGER
TO EXTEND
OUTRIGGER
ROTATE JACK
STAND TO PLACE
IN SUPPORT
POSITION
JACK STAND
OPERATION
As soon as the pin clears the travel position hole, 2.
release it and continue sliding out the outrigger. The
pin must snap into the outrigger locking hole in the
extended position.
After extending all outriggers, rotate all trailer jack 3.
stands into the foot down position, then turn the crank
handle on the jackstands clockwise to lower it and level
the light tower.
Check behind the light tower and make sure all 4.
personnel and objects are clear of the mast.
Deploying the Mast to Vertical Position
Refer to Figure 17 for the location of components:
To release the mast from the mast cradle support, pull 1.
the retaining pin out of the cradle lock/release pin. Pull
the cradle lock/release pin. This will unlock the mast
from the horizontal position.
Remove the mast lock/release pin before raising tower 2.
to the vertical position.
To place the mast in the vertical position, turn the 3.
vertical mast winch hand lever clockwise until the mast
is pointing upwards at 90 degrees.
Once the mast is in the vertical position, insert the mast 4.
lock/release pin to prevent the mast from falling.
Raising the Mast
Once the tower mast has been locked into its vertical
position, the mast can now be raised. The tower allows the
lamps to be extended upwards in excess of 30 feet.
Refer to Figure 17 for location of components.
Turn the mast extension winch clockwise and observe 1.
that the mast begins to extend upwards.
Continue turning the winch in the clockwise direction 2.
until the desired height has been reached.
Release the winch. This winch is of the self-locking 3.
type. The tension on the cable will keep the mast in
place.