RUTHMANN Steiger TB270 - Page 176

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.