Section 4 • Repair Procedures
REV A
Part No. 116478
AL8000HT Light Tower
4 - 9
September 2008
6 Remove the external snap rings from both the
tower extension cylinder rod-end pivot pin and
the extend cable pivot pin. Use a soft metal drift
to remove the pins.
7 Attach a lifting strap from an overhead crane to
the tower extension cylinder.
8 Remove the external snap rings from the tower
extension cylinder barrel-end pivot pin. Use a
soft metal drift to remove the pin. Carefully
remove the cylinder from the machine.
Crushing hazard. The tower
extension cylinder could become
unbalanced and fall when removed
from the machine if not properly
supported by the overhead crane.
9 Remove the cable retaining nut from the retract
cable, located on the bottom of tower tube
number 1, at the extension end of the tower.
10 Label and remove the wear pads from the
extension end of the number 1 tower tube.
11 Attach a lifting strap from an overhead crane to
the number 2 and 3 tower tubes.
12 Support and slide the number 2 and 3 tower
tubes out of the number 1 tower tube and place
them on a structure capable of supporting them.
Crushing hazard. The number 2
and 3 tower tubes could become
unbalanced and fall when removed
from the number 1 tube if not
properly supported by the overhead
crane.
Bodily injury hazard. Cables can
fray. Always wear adequate hand
protection when handling the cable.
Component damage hazard.
Cables can be damaged if they are
kinked or pinched.
Note: During removal, the overhead crane strap will
need to be carefully adjusted for proper balancing.
Note: As the number 2 and 3 tower tubes are
removed from the number 1 tower tube, guide the
retract cable out from the slot in the bottom of the
number 1 tower tube.
13 Working at the extension end of the number 2
tower tube, remove the cotter pins from the two
clevis pins that surround the cable pulley.
Remove the clevis pins. Do not remove the
pulley clevis pin.
Note: Always use a new cotter pin when installing a
clevis pin.
TOWER COMPONENTS
