Stellar
®
Heavy-Duty Telescopic Crane Owner’s Manual | Page 19
Rotation Gear Bearing Maintenance
Rotation Worm Gear and Open Gear Teeth
Use a heavy Moly Lube grease (Stellar PN
4460) to lubricate the worm gear and open
gear teeth of the rotation bearing. Slowly
rotate the crane while pumping the grease
between the worm and rotation gear. This
should be greased every month or sooner
depending on the usage of the crane.
Another way of applying the grease would
be to remove the gear guard and brush the
Molube grease between the gear teeth of
the rotation bearing.
Do not lubricate the
worm and rotation gear teeth with EP2
grease. EP2 grease will wipe the Molube
grease clean causing excessive wear.
Worm Gear Bearings and Races
Apply three (3) pumps of EP2 grease to the
two grease zerks located on the side of the
Rotation Gear bearing; every three months.
After adding the EP2 grease, rotate the
crane fully.
Inner Gear Bearing Race
To lubricate the inner race of the
large rotation gear bearing, open the
compartment door just below the crane.
The grease zerk for the inner race bearing is
located on the compartment drip tray. The
inner race will need to be lubricated with
EP2 Grease weekly. The rst week grease
the inner race bearing at the one (1),
three (3), ve (5), seven (7), nine (9), and
eleven (11) o’clock positions. The following
week, grease the inner race bearing in the
two (2), four (4), six (6), eight (8), ten (10)
and twelve (12) o’clock positions. Rotate
lubrication points every week.
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