Multiquip LT12D Manuel D’Utilisation

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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 Outriggers
Figure 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.