The Paterson Simons Takoradi team recently worked on a Grove slew ring change, for a large mining customer in Ghana.
The slew ring needed to be changed on the Grove RT 530E-2, as the crane was used in an application involving shock loads, which can lead to wear causing erratic movement in the bearing while slewing.
A new GMK6300 was used for assistance to lift the superstructure of the Grove RT 530E-2
This bearing is to be inspected semi-annually. However, for this customer, we recommend quarterly checks, as the crane is used in an application involving shock loads, which may cause the bearing to fail prematurely.
The superstructure of the Grove RT 530E-2
Slew ring location on the chassis
Slew ring
The dismantled superstructure from the Grove RT 530E-2
By carrying out inspections with a dial gauge, to check slew bearing tolerance is the best way to know when it is needed to change your slew ring.
What happens when you don’t change your slew ring is that the bearings wear out, which causes instability when slewing.
Fixing the superstructure of the Grove RT 530E-2 in position after the slew ring change
Job successfully completed on the Grove RT 530E-2