User manual C4 – C6
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6.3. Crane functions/operation
Make sure that the crane and the track undercarriage are
parallel to one another before collapsing the crane!
In the event of an overload, retract the extendable sections
of the crane or lower the winch cable until the load is once
more within the safe operating range of the crane.
6.3.1. Order of operations
To operate the arm of the compact crane, follow these steps in sequence:
Start the engine and activate the transmitter as described in section 6.4.
Check that the outriggers are extended and that the compact crane is level (see section 6.5).
Check the gauge for the winch cylinder. Points on the plate
must be between the points on the boom (see the yellow
circle in figure 31). Contact your dealer or Hoeflon
International B.V. if the gauge falls outside the level, in
connection with incorrect lifting capacity.
Turn the key switch on the electrical cabinet to position 2
(crane).
Use the throttle control to increase the speed of the Honda
engine. The Yanmar engine runs at a standard speed. Or, with
the actuator option, the speed is increased automatically
when a function is operated.
Erect the crane by raising the cylinders of boom 1 and the jib in succession, using the
corresponding levers on the transmitter (see section 6.2.1). The boom and jib can then be
extended. Collapse the crane by performing this procedure in reverse order.
6.3.2. Operation
Operate the crane with the remote control by moving the levers (see section 6.2.1).
Do not operate more than one crane function at a time.
An overload warning will be displayed if the crane reaches its maximum upper position. Lower
the mast slightly.
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