General Operation; Workpiece And Work Area Set Up - Hercules HC61SB Owner's Manual & Safety Instructions

Battery and charger sold separately 20v brushless slide switch 4-1/2" / 5" angle grinder
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Installing a Threaded Accessory
TO PREVENT INJURY: Wear heavy-duty work
gloves when handling wire wheels and brushes.
These accessories are sharp and can cause
injury. Do not exceed maximum rated speed of
brush. Do not use a damaged brush. Replace
damaged brushes immediately. Damaged
or worn brushes will forcefully shoot wires
into all objects not covered by the guard.
1. The accessory MUST be:
• rated to at least 8500 RPM
• no larger than 5" in diameter
• fitted with a threaded opening of 5/8" x 11 TPI.
• undamaged
• a sanding disc and backing pad, a sanding
flap disc, a wire wheel or a wire cup
brush (accessories not included).
2. Press in and hold the Spindle Lock Button
to prevent the Spindle from turning.
3. Remove the Flange Nut and the Outer
Flange and keep in a safe place.
4. Thread disc accessory firmly onto the
Spindle. Wrench tighten onto the Spindle.

Workpiece and Work Area Set Up

1. Designate a work area that is clean and well-lit.
The work area must not allow access by children
or pets to prevent distraction and injury.
2. Secure loose workpieces using a vise or clamps
(not included) to prevent movement while working.
3. There must not be hazardous objects, such
as utility lines or foreign objects, nearby that
will present a hazard while working.
4. You must use personal safety equipment including,
but not limited to, ANSI-approved eye and hearing
protection, as well as heavy-duty work gloves.
5. Before beginning work, provide for sparks and
debris that will fly off the work surface.
Item 56903
For technical questions, please call 1-888-866-5797.

General Operation

TO PREVENT SERIOUS INJURY: Grip
the tool firmly in both hands.
1. Insert a fully charged Battery Pack into the
Grinder, making sure it clicks in place securely.
2. Press the back of the Switch down and
then it push forward to start the tool. To
turn tool OFF, release the Switch.
3. To lock the tool on, press the back of the Switch
down and push Switch forward. Then press
the front of the Switch down into the groove in
front. To release, press the back of the Switch.
4. Allow the tool to come up to full speed
before touching the work material.
For grinding or sanding operations, apply the
wheel or disc to the work material at a 10°–  1 5°
angle, allowing the tool to operate at full speed.
If the tool bogs down, use lighter pressure.
To create a smoother surface, keep the
tool moving over the work surface.
For abrasive cutting-off operations,
apply the cut-off wheel straight into the work
material using only the edge of the wheel,
allowing the tool to operate at full speed. If
the tool bogs down, use lighter pressure.
WARNING! TO PREVENT SERIOUS INJURY:
Do not grind with the side of the cut-off
wheel. Abrasive cut-off wheels are intended
for peripheral grinding; side forces applied to
these wheels may cause them to shatter.
NOTICE: TO PREVENT TOOL DAMAGE:
Only use the tool for 15-20 minutes at a time.
Allow the tool to cool completely before next use.
5. TO PREVENT ACCIDENTS, AFTER USE:
Turn off the tool.
WARNING! TO PREVENT SERIOUS INJURY:
Allow the tool to come to a complete stop before
setting it down.
Remove the Battery Pack. Clean, then store
the tool indoors out of children's reach.
Page 9

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