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8
Rectification of
malfunctions
BA.GB.12-27409-05-07-FTA-jr
RUTHMANN-Steiger
®
TB270
8-3
Boom rotation not possible / is interrupted.
Possible cause
Remedy
Jacks of Steiger not properly
extended
Extend jacks properly.
Boom in boom rest.
Lifting of boom.
Max. angle of rotation in corre-
sponding working range
reached.
No increase of swivelling angle possi-
ble with the boom constellation re-
maining the same.
Rotate back.
Load moment too high.
Reduce load moment by e.g.
retraction of telescope,
lifting of boom,
reduction of working cage
load.
Boom lowered completely and
telescope not retracted.
Retract telescope.
Lifting of boom.
Telescope extension not possible / is interrupted.
Possible cause
Remedy
Boom in boom rest.
Lifting of boom.
LML-cut-off.
Reduce load moment by e.g. reduc-
tion of working cage load.
Rotate the boom in the direction that
allows a greater load moment.
Lifting of boom.
The telescopic extension limita-
tion has responded.
Rotate the boom in the direction that
allows a greater load moment.
Lifting of boom.
Summary of Contents for 27409
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Page 211: ...9 Maintenance BA GB 12 27409 05 07 FTA jr RUTHMANN Steiger TB270 9 25 ...
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Page 255: ...13 Spare Parts BA GB 12 27409 05 07 FTA jr RUTHMANN Steiger TB270 13 1 13 Spare Parts ...
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Page 258: ...14 Appendix 14 2 RUTHMANN Steiger TB270 BA GB 12 27409 05 07 FTA jr ...
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Page 261: ...BA GB 12 27409 05 07 FTA jr RUTHMANN Steiger TB270 14 1 ...