Hilti DCH 230 Mode D'emploi page 17

6.3 Fitting a cutting disc
CAUTION
Use only cutting tools with a rated maximum permis-
sible speed which is at least as high as the machine's
highest no-load running speed.
CAUTION
Cutting discs which are damaged or out of round
(causing vibration) must not be used.
CAUTION
Do not use synthetic resin-bonded fiber-reinforced
cutting discs that have exceeded their use-by date.
CAUTION
The spindle extension may used only in conjunction
with the DCH‑EX 180‑SL slitting hood.
NOTE
Diamond cutting discs in compliance with ANSI B7.1
are to be used with the DCH 230 and DCH 180-SL.
Synthetic resin-bonded fiber-reinforced cutting discs in
compliance with ANSI B7.1 (cutting-off wheels of the
straight, not offset type) may also be used with the DCH
230 for working on metals. The mounting instructions
issued by the disc manufacturer must also be observed.
6.3.1 Fitting diamond cutting discs and synthetic
resin-bonded fiber-reinforced cutting discs to
the DCH 230
1. Disconnect the supply cord plug from the power
outlet.
2. Clean the clamping flange and the clamping nut.
CAUTION The clamping flange is equipped with
3.
an O-ring. If this O-ring is missing, the clamping
flange must be replaced.
Place the 41 mm dia. clamping flange on the spindle
so that it cannot rotate.
4. Place the cutting disc on the centering collar of the
clamping flange.
5. Fit the clamping nut.
CAUTION Do not press the spindle lockbutton
6.
before the drive spindle has stopped rotating.
Press the spindle lockbutton and hold it in this
position.
7. Use the wrench to tighten the clamping nut securely
and then release the spindle lockbutton.
8. Check to ensure that the spindle lockbutton has
disengaged.
6.3.2 Using the Kwik-Lock nut to fit cutting discs
(only for the DCH 230)
NOTE
The Kwik-Lock nut may be used instead of the stan-
dard clamping nut. No tools are then required for fit-
ting/changing the cutting discs.
NOTE
The arrow on the upper surface of the nut must be within
the index marks. If the arrow is not within the index marks
when the nut is tightened it will be impossible to release
the nut by hand. Should it be necessary, use the key to
release the Kwik-Lock nut (do not use a pipe wrench!).
1. Disconnect the supply cord plug from the power
outlet.
2. Clean the clamping flange and the quick release
clamping nut.
3. CAUTION The clamping flange is equipped with
an O-ring. If this O-ring is missing, the clamping
flange must be replaced.
Place the 41 mm dia. clamping flange on the spindle
so that it cannot rotate.
4. Place the cutting disc on the centering collar of the
clamping flange.
5. Screw the quick-release clamping nut onto the spin-
dle until it contacts the cutting disc (the side with the
lettering should be visible after the nut is screwed
on).
6. CAUTION Do not press the spindle lockbutton
before the drive spindle has stopped rotating.
Press the spindle lockbutton and hold it in this
position.
7. Turn the cutting disc firmly by hand in a clock-
wise direction until the quick-release clamping nut
is tightened securely.
8. Release the spindle lockbutton.
9. Check to ensure that the spindle lockbutton has
disengaged.
6.3.3 Fitting cutting discs to the DCH 180‑SL
slitting tool 8
NOTE
Use of the Kwik-Lock nut with the DCH 180‑SL slitting
tool is not permissible.
1. Disconnect the supply cord plug from the power
outlet.
2. Press the catch and pivot the hood extension down
and away from the hood.
3. Place the first diamond disc on the spindle exten-
sion.
4. Fit the spacer ring corresponding to the desired
slitting width.
5. Fit the second diamond cutting disc.
NOTE To achieve the maximum slitting width, all
spacer rings have to be positioned between the
diamond discs.
NOTE All the spacer rings thus have to be fitted.
6. CAUTION Do not press the spindle lockbutton
before the drive spindle has stopped rotating.
Press the spindle lockbutton and hold it in this
position.
7. Screw the clamping nut onto the drive spindle and
tighten it securely with the wrench.
8. Release the spindle lockbutton.
9. Check to ensure that the spindle lockbutton has
disengaged.
10. Press the catch to release the hood extension and
allow it to be pushed in and, at the same time, set
to the desired cutting depth.
en
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