Maintenance work on the superstructure
8.15 Hook blocks
8 - 116 3 302 577 en Maintenance manual
GMK7450
16.08.2018
The diagram gives an example of the arrange-
ment of the grease nipples (1), (2) and (3) on a
hook block.
There are more grease nipples on the other
side.
• Clean the grease nipples on all hook blocks
and grease them using a grease gun.
Having them dis-
mantled
Depending on the manufacturer, there are different maintenance intervals
for the dismantling of the
hook blocks. The maintenance-free sheaves are
also greased at this time. Some manufacturers recommend dismantling
every 4 years or after 500 operating hours.
• Ask Manitowoc Crane Care about the maintenance intervals for the hook
blocks supplied with your crane.
• Have the hook blocks dismantled by Manitowoc Crane Care or an author-
ised GROVE dealer or your qualified repair crew.
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