BI619559
Bucyrus International, Inc. 495HD Electric Mining Shovel
DECK EXTENSIONS 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 - Plan View
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.
MACHINERY HOUSE The machinery house encloses the revolving frame, ballast box and deck extensions. It is constructed of self-supporting steel panels with built-in framing. Removable roof sections are provided over the swing machinery and to the side and rear of the A-frame. The house also provides mounting for the air ventilation and pressurization system. A separate electrical room is located over the ballast box. Platforms and stairs facilitate access to the sides and tops of the house for inspection and maintenance purposes. A right-hand pivoting boarding stair and left-hand side boarding ladder permit easy access onto the machine.
Apr. 2009
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Manual No. 10757