BA.GB.12-27409-05-07-FTA-jr
Re-adjust prestressing of retraction chains and extension ropes in case
of a too big chain dip and/or rope slack.
Attention!
A too strong prestressing can lead to the demolition
of the machine. You have to take care that the tele-
scope will not be twisted as a result of the re-
stretching.
Extend the telescope as far as possible with horizontal boom and un-
loaded cage.
Retract the telescope slightly.
Check rope slack of the extension ropes.
Re-stretch extension ropes if necessary.
Re-stretch extension ropes by means of adjustment screw (A
1.1, 1.2
;
A
2.1, 2.2
or A
3.1, 3.2
). A sufficient rope slack must always remain. Pay
attention to regular distances between the boom heads during re-
stretching procedure.
The two extension ropes have to be prestressed approximately
equally so that under operating conditions they will take approxi-
mately the same load. The position of the corresponding rocker
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