Maintenance
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 rota-
tion 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 first week grease the inner race
bearing at the one (1), three (3), five (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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