RUTHMANN Steiger TB270 - Page 175

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.