22.11.2018
2 3 302 836 en Additional pages for maintenance manualï€
GMK truck cranes
When turning three times is no longer sufficient
• Have the damaged guard strips replaced by Manitowoc Crane Care or an
authorised GROVE dealer or your qualified repair crew.
1.1.2 Conversion from plastic guard strips to steel rollers
GMK 6300L-1 The GMK 6300L-1 truck crane is delivered as standard with steel rollers
running in ball bearing races.
GMK 5250L and
GMK 6300L
The GMK 5250L and GMK 6300L truck cranes can be delivered with/
converted to steel rollers running in ball bearing races as additional
equipment.
• Contact Manitowoc Crane Care for information on the details and cost of a
conversion.
1.1.3 Checking the steel rollers
• Check all steel rollers (1) on all telescopic
sections for damage, wear and mobility of
the ball bearings (2).
• Have damaged, worn, stiff or extremely
steel rollers replaced by
Manitowoc Crane
Care
or an authorised GROVE dealer or your
repair crew.