Driving modes and rigging for on-road driving
6.3 Removing/installing main boom
Operating manual GMK 6400 3 112 993 en 6 - 23
12.07.2013
Fitting the derrick-
ing cylinder head
axle
• Check to see if the tightening belt of the derricking cylinder is taken off
Aligning the derricking cylinder
• (A) – Remove the bolt (1) and remove the
disc
• Place the lifting device (2) underneath the
middle of the derricking cylinder
• (B) – Carry out the movement Raise until the
head pin (4) is aligned with the bearing in
the derricking cylinder (3)
Fitting the head pin
• (A) – Turn the switch (1) to the Pull â
position
• (B) – Insert the lever into the clamp (2)
• Pump until the head pin (3) is inserted as far
as possible
Securing the head pin
• (C) – Fasten the disc with the bolt (4)
• Stow away the lever and the lifting device so
that it is safe to drive on the road
S
Risk of damage to the bearings in the derricking cylinder head
Make sure that the bearings in the derricking cylinder are aligned with the
head pin before fitting the head pin.
This prevents the head pin from damaging the bearing.
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