8
Rectification of
malfunctions
8-4
RUTHMANN-Steiger
®
TB270
BA.GB.12-27409-05-07-FTA-jr
Telescope retraction not possible / is interrupted.
Possible cause
Remedy
Chain for power track is slack.
The cable /hose drum does not
roll up the chain for power track.
Carry out for a short time a movement
so that the chain for the power track
will be tightened and be rolled off from
the cable / hose drum, e.g.
extension of telescope.
Attention
: Carry out the movement
with precaution while observing the
cable / hose drum. If the chain can af-
terwards be rolled up or off resp. with-
out problems, however the cause
must be found out. If necessary, an
existent default must be eliminated.
Cage rotation not possible / is interrupted.
Possible cause
Remedy
Boom rotated too far.
Lifting of boom.
Extension of jacks not possible.
Possible cause
Remedy
Door to driver’s cab open.
Close door to driver’s cab.
Telescope not retracted.
Retract telescope.
Boom (turret) not in centre posi-
tion.
Rotate boom (turret) into centre posi-
tion.
Boom not completely lowered
into boom rest.
Lower boom into boom rest.
Retraction of jacks not possible.
Possible cause
Remedy
Door
to driver’s cab open.
Close door to driver’s cab.
Telescope not retracted.
Retract telescope.
Boom (turret) not in centre posi-
tion.
Rotate boom (turret) into centre posi-
tion.
Boom not completely lowered
into boom rest.
Lower boom into boom rest.
Summary of Contents for 27409
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