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schunk.com
XND.00015.012_A – 10/2018
25
Spindle difficult to turn
Dismantle and clean spindle. (for removing the spindle, see Chapter 7.4)
Check the thread for any damage.
Lubricate and re-assemble the spindle.
Force amplification is too hard or too easy to operate
Move the clamping jaws 20 - 30 mm apart and back together. (approx. 5 - 6 spindle turns)
Adjust clamping force (if possible) by 15 - 20 kN.
Repeat clamping and unclamping process 3 – 4 times.
Re-set force setting to the required value. (
40 kN)
If necessary, dismantle and clean spindle.
7
Removing and replacing parts
7.1
Removing the turn prevention lock
1. Slightly push back the damping ring and the
sleeve.
Turn the spindle until the groove of the turn
prevention lock can be seen from above.
2. Use a screwdriver or Allen key to push the
turn prevention lock downwards until it comes
out.
7.2
Replacing the turn prevention lock
Turn in the mechanical force cassette and inner
telescope tube up to the stop.
Turn the mechanical force cassette and inner
telescope tube back so that both grooves are
aligned.
Insert the turn prevention lock, push the
damping ring and the sleeve back in place on
the prevention lock.
Important
:
Always insert the turn prevention lock engaging
the recessed end first. The recess must be
pointing towards the fixed jaw (see diagram).
Mechanical force cassette
Inner telescope tube
