Replacing The Chuck; Possible Faults - Schick Dental C2 Master Mode D'emploi

8. Replacing the chuck

8.1 Remove the motor cable 15. To do so
unscrew the cap 16 from the motor and
loosen the cable by pulling out the plug-in
seal 17.
8.2 Open the chuck and withdraw the rotary
instrument. Unscrew the tip 21.
8.3 Remove seeling cap 24
8.4 Use a number 6223 wrench 23 to hold the
motor end of the spindle. Insert the chuck tool
No. 4115 22. Hold the number 6223 23 wrench
tightly and turn the chuck tool anti clockwise to
unscrew the chuck completely.
- the chuck has a right-handed thread!
6653/1
6642 Ø 2,35 mm
6643 Ø 3,00 mm
6662
4115
6650
6223
9. Care and maintenance
Caution: Do not clean your C2 Master
motorhandpiece with compressed
air!
Chuck: should be cleaned and re-greased
once in a while, depending on how dirty
it is. As C2 Master units have no commutators,
carbon brushes or ventilation parts, no further
maintenance is required.
6652 Ø 2,35 mm
6652/1 Ø 3,00 mm
8.5 Clean the chuck, grease it lightly and place it in the
spindle. Use the tools to screw the chuck in - clock-
wise and as far as possible - as described in section
8.4, and tighten it slightly.
Replace the plug-in seal 17 and screw the cap 16
back into place. Screw the sealing cap 24 and the
end of the handpiece 21 on again.
Please note:
The tools 22 and 23 are to be found in the
base of the handpiece rack!

10. Possible faults

Should the handpiece be overloaded, respectively,
jammed, for safety reasons the unit will switch itself
off.
- Release knee/foot switch and operate it again; the
unit is ready for use immediately
bench controller version only
- When using the bench version without a pedal
switch, the speed control knob should be turned to
"0", when the desired speed is selected again; the
unit is ready for use immediately.
- When using the bench version with a pedal switch
it should be released and operated again; the unit is
then ready for use again.
all versions
if the unit should not be running after doing as
described above the 2 fuses have to be checked and
eventually exchanged.
The fuses (2x T2AH250V/2x T4AH100V-115V)are to
be found at the rear of the unit beneath the socket 1.
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