Driving modes and rigging for on-road driving
6.5 Installing/removing the supporting box
Operating manual GMK 6400 3 112 993 en 6 - 59
12.07.2013
6.5.3
Rigging the outrigger span 7.98 x 8.50/1.00 m (26.1 x 27.9/3.3 ft)
With this outrigger span, the truck crane is sta-
bilised at the front to an outrigger width (2)
8.50 m (26.1 ft). The auxiliary supports must
be extended at the rear. This produces the out-
rigger span (3) of 1.00 m (3.3 ft) and the outrig-
ger length (1) of 7.98 m (26.1 ft).
You must rig this outrigger span before:
– Slewing the superstructure with the rear
outrigger box removed,
– Removing/installing the supporting box,
– Setting down the main boom on a separate
trailer, or raising the main boom from a
trailer.
H
Loads of up to 55.7 t (122 789 lbs) can arise on the outrigger pads of the aux-
iliary supports when the truck crane only stands on the supports. If the
ground cannot support these loads, you must determine the required sup-
port area and install the supports.
à Determining the required ground bearing area, p. 12 - 9,
à Enlarging the ground bearing area, p. 12 - 44.
s
S
Risk of damage to the suspension struts and tyres
Always extend the auxiliary supports before you perform one of the list
processes.
This prevents the suspension struts and tyres from becoming overloaded
and damaged.
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