Porter Cable PC750AG Manual De Instrucciones página 11

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90536090 PC750AG Angle Grinder
flange is correctly located on the flat sides of the spindle.
• Place the disc (12) onto the spindle (7) as shown (fig. 4). If the disc has a raised center
(13), make sure that the raised center faces the inner flange.
• Make sure that the disc locates correctly on the inner flange.
• Place the outer flange (14) onto the spindle. When fitting a grinding disc, the raised
center on the outer flange must face towards the disc (A in fig. 5). When fitting a
cutting disc, the raised center on the outer flange must face away from the disc (B in
fig. 5).
• Keep the spindle lock (5) depressed and tighten the outer flange using the two-pin
spanner (15) (fig. 6).
• When using a depressed-center wheel, hold the tool so that an angle of approximately
30° exists between the wheel and the work.
• When using ready-mount or hubbed wheels, flanges are not required.
:
Check rated speed on depressed-center wheel. Never use a wheel with
rated speed lower than the speed on the nameplate of the tool.
EDGE GRINDING
Edge grinding may be done with Type 27 depressed center wheels specifically designed
for this purpose. These wheels are available locally. They must not be subject to side
pressure.
:
Wheels used for edge grinding may break if they bend or twist while
being used for cut-off work or deep grinding. To reduce the risk of serious injury, limit the
use of these wheels to shallow cutting and notching (less than 1/2 in. in depth). The
open side of the guard must be positioned away from the operator.
REMOVING - FIGURE 6
• Keep the spindle lock (5) depressed and loosen the outer flange (14) using the two-pin
spanner (15) (fig. 6).
• Remove the outer flange (14) and the disc (12).
FITTING WIRE CUP BRUSHES & STRINGER BEAD/CABLE TWIST BRUSHES
Wire brushes screw directly on the spindle of the machine without the use of flanges.
When using wire brushes, thread firmly on spindle by hand.
FITTING ABRASIVE DISCS
Use an abrasive disc with a backing pad for sanding with your angle grinder.
• Remove the guard.
• Place the flange, (backing pad and abrasive disc sold separately) and outer flange on
the spindle as shown in Figure 7. Figure 7A shows how to attach an abrasive disc with
a rubber backing pad.
• Tighten the abrasive disc as shown in Figure 8 by depressing the spindle lock button
and turning the abrasive disc by hand.
OPERATION
:
Let the tool work at its own pace. Do not overload.
SWITCHING ON AND OFF
• To switch the tool on, press the on/off switch (1).
• For continuous operation, press the lock-on button (2) and release the on/off switch.
• To switch the tool off, release the on/off switch. To switch the tool off in continuous
operation, press the on/off switch once more and release it.
:
Do not switch the tool off while under load.
OVERLOAD
Overloading will cause damage to the motor of your angle grinder. This can happen if
your angle grinder is subjected to heavy use for prolonged periods of time. Do not in
any circumstances, attempt to exert too much pressure on your angle grinder to speed
up your work. The abrasive discs operate more efficiently when light pressure is
exerted, thus avoiding a drop in the speed of your angle grinder.
6/6/08
9:13 AM
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