Pre-assembling the upper wall mount:

Now the upper wall mount is pre-assembled.

The figures show the assembly of a pivoting bearing on a size WL 35 jib crane. The assembly of a self-aligning roller bearing on larger jib cranes does not essentially differ.

 

Seal ring

Upper pin

*   Place seal ring on upper pin.

 

 

Upper pin

Pivoting bearing

*   Place pivoting bearing on upper pin.

*   Lubricate the slew bearing: put about half of the grease provided (80 ml) into the slew bearing.

Lubricant: “Multi-purpose grease”. For details, see Lubricants.

 

 

Circlip

Upper pin

*   Mount circlip on upper pin.

 

 

Wall mount

 

*   Place wall mount onto upper pin.