起
重
机
说
明
Assembly and
Dismantling
Operator’s Manual for Crawler Crane
5-17
Hang the twin hook on the loose end of the attachment in the holes of the floor plate
underneath to prevent the crawler carrier from hanging down during mounting of the
crawler carrier. Secure the lower crawler with attachment chains and hang the sling on
the lifting point of crawler carrier to prevent the track pad from suspending during
mounting of the crawler carrier.
Figure 5-15 Attaching the first crawler carrier
c) Push
the right control lever (30) backwards to retract the mounting cylinder to lift the firs
t
cr
awler carrier from the transport vehicle.
Slowly raise A-frame and adjust the mounting cylinder to align the crawler carrier exactly
with the bolting points on the undercarriage centre section. Carefully and sensitively
position the crawler carrier by the undercarriage centre section and upper limit plate of
crawler carrier.
Turn on “undercarriage auxiliary control” switch on the auxiliary remote control box, and
then extend the crawler carrier bolting cylinders with appropriate control lever. In this way,
the first crawler carrier is attached onto the undercarriage centre section by the bolting
cylinders.
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