Hilti DC-SE20 Operating Instructions Manual page 16

Mounting the diamond discs
4
Caution! Pull the plug out of the mains socket
carrying out any work on the machine. Make
sure that the diamond discs are not damaged
in any way i.e. no cracks or broken segments.
– Lay the tool on its side (fig. 4 and 5).
– Press the carriage lockbutton ( ) and relea-
se the carriage ( ) from the tool.
– Open the side guard ( ).
– Mount the discs as per fig. 3:
Clamping flange ( )
First diamond disc ( ) (observe the direc-
tion of rotation arrow ( ))
Spacers ( ) (to suit desired slit/ groove
width)
2 nd diamond disc ( )
Remaining spacers ( )
Clamping nut ( )
– Block the spindle by pressing the spindle
lockbutton ( ).
– Tighten the clamping nut firmly using the
pin wrench ( ).
– Close the side guard ( ).
– Close down the carriage ( ) onto the machi-
ne.
14
Printed: 08.07.2013 | Doc-Nr: PUB / 5069486 / 000 / 01
5
Trial run with in-place discs:
– Mount the discs as per fig. 3.
– Plug machine into the mains electric supp-
ly. (It must agree with the data on the tool
rating plate.)
– Operate the on/off switch, sideways (left or
right) push and press.
Protect the discs from any knocks or impac-
ts. Always replace vibrat ing /wobbl ing discs!
Slitting
6
The following procedure assumes that the dia-
mond cutting discs have been fitted and checked.
– Safety precaution: Ensure that the carria-
ge ( ) is in the starting position (fig. 6).
– Connect the vacuum cleaner and switch on.
– Set the desired slit/groove depth fig. 6).
– Position the machine on the work surface
with the guide point ( ) in the slitting direc-
tion.
– Switch on the machine (push the on/off switch
( ) sideways [left/ right] and press).
– Press the slitting control switch ( ) to allow
the discs to «gently» cut the material.
– When the set cutting depth is reached, the
carriage is locked in this position as long as
the slitting control switch is pressed.
– Guide the machine in the direction of the
guide point ( ), but don't apply too much
pressure.
7
Safety precaution: When the machine is lif-
ted out of the slit, release the plunge movement
control switch ( ) and ensure that the carria-
ge ( ) returns to the starting position (fig. 6).