Manitowoc Grove GMK 4100L-1 Maintenance Manual page 308

Maintenance work on the superstructure
8.11 Hook blocks
Having them
dismantled
8 - 72
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
blocks supplied to you.
•
Have the hook blocks dismantled by
authorised GROVE dealer or your qualified repair crew.
The diagram gives an example of the
arrangement 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.
about the maintenance intervals for the hook
Manitowoc Crane Care
3 302 364 en
or an
Maintenance manual
GMK 4100L-1