K9 4930
A 6 Maintenance
Repair and maintenance work on the
electrical part of the unit may be performed
only by qualified technical personnel or
trained persons who have been made aware
of the safety regulations. Before
maintenance work, disconnect the mains
plug or isolate the unit completely from the
power supply so that there is no power to
the unit.
On no account may the K9 handpiece be
cleaned with compressed air; use the
cleaning brush from the care set.
On no account should cleaning agents
(such as spray cleaner, degreaser, etc.) be
introduced into the interior of the
handpiece.
A 6.1 Weekly cleaning of chuck and
handpiece part
Removing the chuck
Remove previously used tool or straight
pin from chuck and take off cover @ (3
covers as spare parts in care set).
Push tool or straight pin into chuck as far
as it will go and close chuck.
Slowly turn the shaft " until clip B can be
inserted into grip tip # with little resist-
ance.
Open the chuck. Unscrew the chuck using
original chuck key A and inserted straight
pin or tool ".
Clean the front opening of the K9 hand-
piece with a brush or with the cleaning
brush supplied. Clean chuck thread, surface
of the original chuck key A and rotor cone
and lightly grease.
Installing the chuck
Insert chuck incl. straight pin " using
chuck key A and tighten.
Mount cover @ again.
Remove clip B from grip tip # and close
chuck with inserted straight pin again.
C l e a n e r
" @
Ì
#
B
A
"
#
@
6 6
£
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