Operator’s Manual
PRS 80
18
and the boom lowering function should be stopped. Lower the load-handling device slightly to
eliminate this condition.
If the A2B warning symbol fails to flash and audible alarm does not function as described
and the crane movements are not stopped, the system is not working properly. The
malfunction shall be corrected before operating the crane.
4. If the crane is equipped with a boom extension, repeat the test procedure for the boom extension
anti two-block switch.
© Hirschmann PRS80 REV. C 09/26/05
190183_D.DOC
Содержание PRS 80
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