Structure And Parts Of The Crane; Main Groups; Crane Base With Column And Slewing System - Jonsered 1250RZ Operator's Manual

2. Structure and parts of the crane

2.1. Main groups

The crane consists of the following main groups:

(1) Crane base with column and slewing system

(2) Boom system
(3) Stabiliser system
(4) Operating system (depends on the configuration)
2.2. Crane base with column and slewing system
The crane base, column and the slewing system consist of the following
components:
• Crane base
with stabiliser beam, column bearings and three-point
bridge.
• Column
is fitted to the crane base and turns in an upper and a
lower bearing.
• Slewing system
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Structure and parts of the crane
Jonsered 1250RZ -1500RZ safety+R CE