Sec. 4--Fig. 35
WRECKING CRANES SHIPPED WITH BOOMS SUPPORTED EXCLUSIVELY BY THEIR CABLES
Item No. of Pcs.
Description
A
Brake wheel clearance. See Fig. 2, Sec. 1.
B
2
1 in. steel cables 6 x 9, secured with two "U"- bolt cable clips at each end. Sharp turns must be
protected with thimbles.
Permanent anchors acceptable as substitutes.
C
2
1 1/4 in. rods, length to suit, or anchors equivalent in strength. Parts to which anchors are
secured must be equally as strong as the anchors. Rods with hooked ends must not be used.
D
Rear jacks must be screwed tight to eliminate vertical motion.
E
Uncoupling mechanism must be made inoperative.
Cable blocks may be detached, pulled up to boom head, or lay loose on idler car with cables sufficiently slack to
negotiate curves.
Boom end of crane must trail.
See General Rules 4, 5, 15, 16, 19, 19A and 21 for further details.
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