Driving modes and rigging for on-road driving
6.4 Rigging the main boom
Operating manual 3 302 709 en 6 - 31
GMK5150L
12.01.2018
Pulling out the head pin
• (A) – Turn the switch (1) to the Pull
position
ä.
• (B) – Insert the lever into the clamp (2).
• Pump until the head pin (3) is completely
drawn out.
• Carry out the movement Lower until the
derricking cylinder is in the derricking
cylinder support.
• (C) – Fasten the disc with the bolt (4).
• Stow away the lever and the lifting device.
Fitting the
derricking cylinder
head axle
• Check to see if the tightening belt of the derricking cylinder is taken off.
Aligning the derricking cylinder
• (A) – Remove the disc (1).
• 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).
s
G
Risk of accident from falling derricking cylinder!
Always take the load off of the derricking cylinder using the lifting device
before retracting the head pin. By doing this, you prevent the derricking
cylinder from falling down, injuring people or being damaged while
retracting the head pin.
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