Raising The Tower - Magnum MLT 4250 Operating & Parts Manual

RAISING THE TOWER

The trailer must be leveled with the outriggers extended before raising the tower. The outriggers
must remain extended while the tower is up. Failure to level the trailer or extend the outriggers
will severely reduce the stability of the unit and could allow the tower to tip and fall.
1. Remove the mast cradle locking pin from the mast cradle (I).
2. Check both sets of mast cables for excessive wear or damage. Make sure the cables are properly centered in
each pulley (J). Check the electrical cord for damage.
Do not start the unit if the insulation on the electrical cord is cut or worn through.
Bare wires in contact with the mast or frame may energize the trailer and cause electrocution.
3. Make sure the area behind the unit is clear before
raising the mast to the vertical position.
4. Remove the safety pin (K) from the mast lock bar
(L). Using the handle for the lower mast winch (M),
raise the mast until it is vertical and the tab on the
mast is positioned into the mast lock. The mast lock
bar should snap into place automatically. Secure
the lock with the safety pin (N).
5. After the mast is up and locked into place, use
the upper mast winch (O) to telescope the
tower to the desired height. Extend the mast slowly,
making sure that the electrical cord is extending
at the top sections of the mast. If, for any reason,
the winch cable begins to develop slack or any of
the tower sections get stuck, STOP IMMEDIATELY
and contact an authorized service center.
CAUTION
Do not extend the mast beyond the colored mark
on the middle mast tube (P).
6. The mast can be rotated by loosening the locking
knob at the bottom of the mast (Q). Turn the mast
until the lights face in the desired direction and
then tighten the knob.
WARNING
Never raise or lower the mast while the unit is
operating! Never remove the safety pin or mast
lock while the tower is up. Releasing the lock
will cause the mast to fall.
26
WARNING
WARNING
Repair or replace cord.
K, L, N
DETAIL I DETAIL K
J
Q
O
M
J
DETAIL N
STOP
DETAIL P
I