Manitowoc Grove GMK 5250L - Page 47

Maintenance overview
5.2 Maintenance plans
09.03.2018
Maintenance manual 3 302 744 en 5 - 11
GMK5250L
M 3
Maintenance work on the SUPERSTRUCTURE:
every three months/after 250 oper. hrs.
Slewing bearing
– Checking the screws à p. 8 - 21
Hydraulic system
– Cleaning the magnetic rods à p. 8 - 34
Main boom
– Lubricating the telescopic sections à p. 8 - 48
– Checking the sheaves à p. 8 - 55
Hoist ropes
– Lubricating the hoist rope à p. 8 - 59
Hook blocks
– Checking the sheaves à p. 8 - 75