Manitowoc Grove GMK 4100L-1 Maintenance Manual page 61

Maintenance work on the SUPERSTRUCTURE:
every six months/after 500 oper. hrs.
Slewing gear
– Checking the slewing gear brake
Slewing bearing
– Lubricating the gear teeth
– General inspection
– Measuring tilting play
Cable drums and slewing angle sensor
– Maintenance of the slip ring assemblies
Air conditioning system
– Checking hoses
Maintenance manual
GMK 4100L-1
3 302 364 en
Maintenance overview
5.2 Maintenance plans
M 6
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p. 8 - 16
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p. 8 - 25
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p. 8 - 27
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p. 8 - 28
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p. 8 - 65
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p. 8 - 76
5 - 13