Section 3 • Scheduled Maintenance Procedures
3 - 12
AL8000HT Light Tower
Part No. 116478
REV A
September 2008
CHECKLIST
A
PROCEDURES
A-10
Grease the Turntable Rotation
Bearing and Rotate Gear
Note: Terex specifications require that this
procedure be performed every 100 hours of
operation. Perform this procedure more often if
dusty conditions exist.
Frequent application of lubrication to the turntable
rotation bearing and rotate gear is essential to good
machine performance and service life. Continued
use of an improperly greased bearing and gear will
result in component damage.
1 Lower all four outriggers to the ground and level
the machine.
2 Remove the tower transport lock pin.
3 Raise the tower to a vertical position.
4 Locate the grease fitting on the inner race of the
bearing.
5 Pump grease into the tower rotation bearing.
Rotate the tower in increments of
4 to 5 inches / 10 to 13 cm at a time and repeat
this step until the entire bearing has been
greased.
6 Remove retaining fasteners from the the pinion
gear guard. Remove the guard.
7 Apply grease to each tooth of the pinion gear.
8 Rotate the tower to transfer the grease from the
pinion gear to the teeth of the rotation bearing.
9 Repeat steps 5 and 6 until all gear teeth are
thoroughly greased.
10 Install the pinion gear guard and securely tighten
the retaining fasteners. Do not overtighten.
Grease Specification
Chevron Ultra-duty grease, EP NLGI 2 (lithium based)
or equivalent
