Commissioning; Attaching The Grinding Wheel - Metabo WX 20-230 SP Instructions Manual

ENGLISH
ENG

7 Commissioning

Before plugging in, check to see that the
rated mains voltage and mains frequency, as
specified on the rating label, match your power
supply.
Always use an extension cable with a minimum
2
diameter of 1.5 mm . The extension cable must be
suitable for the machine power rating (see Tech-
nical Specifications). If using a roll of cable, always
roll up the cable completely.
7.1 Attaching the additional handle
Always work with the additional handle
attached (7)! Manually screw in the additional
handle securely in the left, centre or right threaded
hole (depending on requirements).
7.2 Attaching the safety guard
(for work involving grinding wheels)
Prior to commissioning: Fit the
protective cover.
For reasons of safety, the safety guard (8)
should always be attached when roughing
work is performed.
For reasons of safety, the special parting
guard should always be attached before
parting work is performed (see chapter 12 Acces-
sories).
See illustration D on page 3.
- Push and hold the lever (11). Place the safety
guard (8) in the position indicated.
- Release the lever and turn the safety guard until
the lever engages.
- Push the lever and turn the safety guard until the
closed section is facing the operator.
- Make sure that the guard is seated securely: the
lever must engage and you should not be able to
turn the safety guard.
7.3 Power supply
The mains sockets must be protected using time-
delay fuses or circuit breakers.
Machines with "X" in the model designation:
(with integrated, automatic restriction of the
starting current (soft start)). The mains sockets can
also be protected using fast-acting fuses or circuit
breakers.
18
8 Attaching the grinding
wheel
Disconnect the mains plug before changing
any accessories. The machine must be
switched off and the spindle at a standstill.
For reasons of safety, attach the parting
guard before performing parting work (see
chapter 12 Accessories).
8.1 Locking the spindle
Press in the spindle locking button (4) only
when the spindle is stationary!
- Press in the spindle locking button (4) and turn
the spindle
(3) by hand until you feel the spindle locking
button engage.
8.2 Placing the grinding wheel in position
See illustration B on page 3.
- Fit the support flange (2) on the spindle. The
flange should not turn on the spindle when prop-
erly attached.
- Position the grinding wheel on the support flange
(2) as shown in illustration B.
The grinding wheel must lay flat on the
supporting flange. The metal flange on the
parting grinder disc must lay flat on the support
flange.
8.3 Securing/Releasing the "Quick"clamp-
ing nut (depending on features)
Securing the "Quick"clamping nut (1):
Do not use the "Quick" clamping nut if the
accessory has a clamping shank thicker than
8mm! In this case, use the clamping nut (9) with 2-
hole spanner (10).
Only use the "Quick" clamping nut when
undamaged and in perfect operating condi-
tion : the arrow must point to the notch on the
outer ring (see illustration on page 3).
- Lock the spindle (see chapter 8.1).
- Fit the "Quick"clamping nut (1) on the spindle (3).
See illustration on page 3.
- Tighten the "Quick"clamping nut by turning
clockwise by hand.
- Turn the grinding wheel firmly clockwise to
tighten the "Quick"clamping nut.
Releasing the "Quick" clamping nut (1) :
- Lock the spindle (see chapter 8.1).
- Turn the "Quick"clamping nut (1) anticlockwise
to unscrew.