Manitowoc Grove GMK 4100L-1, Operating Manual

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Rigging work
12.10 Rigging work on the main boom
Operating manual 3 302 690 en 12 - 111
GMK4100L-1
2
3
.1
1.
201
7
Reeving the hoist rope
•
Guide the hoist rope over the upper head
sheave (
1 ) to the lower head sheave ( 2 ).
•
Guide the hoist rope from the front around
the outer pulley (
3 ) of the hook block,
upwards to the main boom head.
•
Guide the hoist rope from the rear over the
next required head sheave (
4 ), etc.
•
Reeve the hoist rope with the required
number of lines.
Possible reevings;
à
p. 12 - 114.
Fastening the hoist rope
The fixed point used depends on the number
of reeved rope lines.
Depending on the version, the centre fixed
point (
2 ) may be present on main booms with
5 head sheaves.
– Fixed points for an even number of lines
The rope end clamp is fastened to a fixed
point (
1 ) or ( 2 ) for 2-fall, 4-fall, 6-fall
reevings, etc.
– Fixed point for an odd number of lines
The rope end clamp is fastened to the fixed
point (
3 ) for 1-fall, 3-fall, 5-fall reevings etc.
s
A For the main hoist rope
B For the auxiliary hoist rope