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Installation of a Selection Switch for Grab or Hook mode on Mitsubishi Cranes

 

Heavy Duty Grab operation causes excessive stress on crane structures, rope sheaves, hydraulic machinery and especially on crane slewing bearings. Standard deck cranes are not designed for continuous operation with full load, for Grab operation,, the max. load therefore needs to be limited to 80% of the SWL.

However, most Mitsubishi cranes do not have this feature installed and operate unrestricted. This explains the un-proportionally large number of slewing bearing failures we see on Mitsubishi Cranes.

ALATAS therefore sells and installs upgrade kits that enables the operator to select Hook Mode (100% SWL) or Grab Mode (80% SWL) via means of a key switch in the operator cabin.

This effectively reduces early wear on slew bearings & crane components.

 

 

  Installation in progress
  After installation of switch on control panel
  Solenoid valve installation
     
  Remote control valve installation
  Cable installation
  After installation
     
 
 
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