Clarke CFC100 Operating & Maintenance Instructions - Page 8
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OPERATION
RAISING THE JIB
Important;- Make sure that the hook
is directly above the point of lift,
which in turn is directly above the
centre of gravity of the load.
1. Use the end of the pump handle
(19) to close the valve by turning it
fully clockwise.
• It should be hand tight, do not
overtighten.
2. Return the pump handle (19) to
the pump linkage and pump the
handle until the crane reaches
the desired height.
LOWERING THE JIB
1. Use the end of the pump handle
(19) to turn the valve
anticlockwise VERY SLOWLY.
• The speed of lowering the load
is controlled by how much you turn the valve.
EXTENDING THE JIB
1. Raise the jib until horizontal.
2. Remove the locating pin assembly
(29) & withdraw the pin.
3. Reposition the jib extension to the
desired length.
4. Replace the pin assembly (29)
ensuring the 'R'clip is firmly in place
NOTES:
During transit or storage, it is possible
that an air pocket may have developed within the hydraulic ram, and the ram
action may therefore appear to be 'spongy'. As the ram is self bleeding, any
air will be dispelled and the ram action normalized by fully raising and
lowering the jib a few times. Should the jib not reach its full height, the oil level
should be checked, as described in the Maintenance section.
Parts & Service: 020 8988 7400 / E-mail: [email protected] or [email protected]
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