Bearing, Mast And Related Parts; General - Manitowoc Grove CD3340B Service Manual

CD3340B/YB4411 STRUCTURAL

BEARING, MAST AND RELATED PARTS

11

General

The mast is fastened to the main frame of the crane through
a bearing. The outer race of the bearing is fastened to the
mast and the inner race of the bearing is fastened to the
frame. See Figures 11-137 and 11-138.
The rotation of the mast is done by a gearbox which is
mounted below the frame deck. A hydraulic motor connected
to the gearbox provides power for rotation of the mast.
p0802
FIGURE 11-137
FIGURE 11-138
A0490
GROVE
Published 04/07/2015 Control # 569-00
11-55