Manitowoc GROVE GMK 6400, Operating Manual

Page: 784 / 960

Rigging work
12.7 Rigging/unrigging the counterweight
12 - 68 3 112 993 en Operating manual GMK 6400
1
2
.0
7.
201
3
Setting down 10 t
sections/blocks
version A The counterweight version A illustrated here shows a special equipping
version that is no longer available.
Counterweight version B shows the standard equipment;
à
Setting down
10 t sections/blocks version B , p. 12 - 74.
H
All the sections for the right side are interchangeable between themselves
and all the sections for the left side are interchangeable between them-
selves. This also applies to the counterweight blocks.
When rigging with an installed auxiliary hoist you require special lifting
gear;
à
Raising and lowering 10 t counterweight blocks with a mounted auxiliary
hoist , p. 12 - 88.
•
Always place the 10 t sections and 10 t
blocks alternately at the left and right sides.
1)
Additional equipment
2)
à
Securing 10 t blocks
, p. 12 - 80
S
Risk of overturning if counterweight rigging sequence is incorrect
When rigging, always place/raise the 10 t sections and 10 t blocks alter-
nately at the left and right sides. Otherwise the truck crane will be over-
loaded at one side or the counterweight may fall from the carrier.
Counterweight Counterweight section
15 t
1
35 t
1
and
2
55 t
1
to
3
75 t
1
to
4
95 t
1
to
5
115 t
2)
1
to
6
135 t
1) , 2) 1
to
7