Driving modes and rigging for on-road driving
6.4 Rigging the main boom
6 - 30 3 302 709 en Operating manual
GMK5150L
12.01.2018
6.4.7 Retracting/fitting the derricking cylinder head pin
Operating the
lifting device
A lifting device is needed in order to relieve and level the derricking cylinder.
• Attach the lever to the holder (2).
(A) – Raise
• Close the drain plug (1) and pump the lever.
The piston rod (3) extends.
(B) – Lower
• Slowly open the drain plug (1).
The piston rod (3) retracts.
Pulling the
derricking cylinder
head axle
After you have pulled the head pin, you can not longer derrick the main
boom.
#
(A) – Releasing the head pin
• Remove the disc (3).
(B) – Taking the load off of the head pin
• Place the lifting device (2) underneath the
middle of the derricking cylinder.
• Carry out the movement Raise until the
shelf (1) is resting firmly on the derricking
cylinder.
S
Danger from using unsuitable lifting device
Have the lifting device serviced in time before the maintenance interval
specified on the label expires
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