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balances the individual cells in the battery
pack to allow it to function at peak capacity.
Battery packs should be tuned up weekly or
whenever the battery no longer delivers the
same amount of work. To use the automatic
tune-up mode, place the battery pack in the
charger and leave it for at least 8 hours.
INSTALLATION AND REMOVAL OF
THE BATTERY PACK
TO INSTALL BATTERY PACK: Figure C-
Insert battery pack onto the tool until an
audible click is heard. Make sure battery pack
is fully seated and fully latched into position.
TO REMOVE BATTERY PACK: Depress
the battery release button as shown in figure
D and pull battery pack out of the tool.
OPERATING INSTRUCTIONS
WARNING:
protection that conforms to ANSI Z87.1(CAN/
CSA Z94.3) while operating this power tool.
WARNING:
Use clamps or another
practical way to secure and support the
work piece to a stable platform. Holding the
work by hand or against your body leaves it
unstable and may lead to loss of control.
:
NOTE
Before cutting any type of
material, be sure it is firmly anchored or
clamped to prevent slipping.
TRIGGER SWITCH
The tool is equipped with a switch lock-off
feature to prevent unintentional operation.
• To switch the tool on, press the lock off
button (2),
then squeeze the on/off switch (1).
• Releasing the trigger turns the motor OFF.
NOTE:
This tool has no provision to lock
the switch in the ON position, and should
never be locked in the ON position by any
other means.
These utilize a carbon steel back welded
to high speed steel teeth making the blade
more flexible and less prone to breaking
ASSEMBLY
WARNING:
operation, turn off tool and remove
battery before making any adjustments or
removing or installing attachments or
accessories. Failure to do this could result
in serious personal injury.
ATTACHING THE SIDE HANDLE
• A three position auxiliary handle (5) is
furnished with your grinder and can be
screwed into either side of the grinder
housing as well as into the top.
WARNING:
SHOULD BE USED AT ALL TIMES to
maintain complete control of the tool.
Always make sure the handle is tight.
Always use proper eye
To prevent accidental
This handle
ACCESSORIES
It is important to choose the correct
guards, backing pads and flanges to use
with grinder accessories.
CAUTION:
for at least the speed recom mended on the
tool warning label. Wheels and other
accessories running over their rated
accessory speed may fly apart and cause
injury. Threaded accessories must have a 5/8
inch-11 hub. Every unthreaded accessory
must have a 7/8 inch (22mm) arbor hole. If it
does not, it may have been designed for a
circular saw. Use only the accessories shown
on pages 10 and 11 of this manual.
Accessory ratings must always be above tool
speed as shown on tool nameplate.
MOUNTING GUARD
MOUNTING AND REMOVING GUARD
Turn off tool and remove battery before
making any adjustments or removing or
installing attachments or accessories.
Guards must be used with all grinding
wheels, sanding flap discs, wire brushes,
cut-off wheels and wire wheels. The
tool may be used without a guard only
when sanding with conventional sanding
discs. Porter Cable model PCC671 is
provided with a guard intended for use with
depressed center wheels (Type 27) and
hubbed grinding wheels (Type 27). The same
guard is designed for use with sanding
flap discs (Type 27 and 29) and wire cup
brushes. Grinding and cutting with wheels
other than Type 27 and 29 require different
accessory guards included with tool. A Type
1 guard is provided for use with a Type 1
wheel and is shown in figures E and F.
Both Type 27 and Type 1 guards attach
and are removed in the same way as
described in figures E and F.
FIGURE E
1. ATTACHING - Open the guard latch (10),
and align the lugs on the guard (9) with
the slots on the gear case cover.
2. Push the guard down until the guard
lugs engage and rotate freely in the
groove on the gear case hub.
3. With the guard latch open, rotate the
guard (9) into the desired working position.
The guard body should be positioned
between the spindle and the operator to
provide maximum operator protection.
4. Figure F - Close the guard latch to
secure the guard on the gear case. You
should not be able to rotate the guard by
hand when the latch is closed. Do not
operate the grinder with a loose guard or
the clamp lever in open position.
5. REMOVING - To remove the guard,
open the guard latch, rotate the guard
12
Accessories must be rated
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