Deck Extensions and Ballast Box

Operators Manual

Deck Extensions

BI010535

Right and left side deck extensions are bolted to each side of the revolving frame. They provide a mounting area for the electrical transformers and accessory machinery as well as supporting the machinery house walls.

Deck Extensions and Ballast Box

Ballast Box

The ballast box is an all-welded steel fabrication located at the rear of the main revolving frame. A series of vertical plates in the box form compartments for holding ballast.