➀ ➁
Maintenance and Service
8.4.3
Front lower slide pads
• Extend extensions without load and push
slightly against the ground in order to create
enough clearance.
• Lubricate.
8.4.3 Lubrication of the upper column
bearing and three-point bridge
The lubrication of the column upper bearing and
the three-point bridge is made through nipples
placed on the base.
Niples
①
: For greasing upper column bearing
Niple
②
: For greasing three-point bridge
DANGER
The upper column bearing must be lubricated
while the crane is slewed. If one person
lubricates the upper column bearing, while
another is slewing the crane: Take care that
the person lubricating the bearing does not
come into contact or get crushed by the crane!
If you are lubricating the upper column bear-
ing without help:
• Lubricate the upper bearing with a little
grease.
• Slew the crane a little.
• Again lubricate with a little grease. Repeat,
until the column has been slewed round
completely.
Operator's Manual GB
91