page 3
SPECIFIC SAFETY RULES
1. Hold tool by insulated gripping surfaces when performing an operation where the cutting tool may contact hidden wiring or its
own cord. Contact with a "live" wire will make exposed metal parts of the tool "live" and shock the operator.
2. Wear ear protectors when using the tool for extended periods. Prolonged exposure to high intensity noise can cause hearing loss.
3. Keep hands away from all cutting edges and moving parts.
4. Maintain labels and nameplates. These carry important information. If unreadable or missing, contact a Service Agent facility for a free
replacement.
5. WARNING! Some dust created by power sanding, sawing, grinding, drilling, and other construction activities contains chemicals known to cause
cancer, birth defects or other reproductive harm. Some examples of these chemicals are:
lead from lead-based paint
crystalline silica from bricks and cement and other masonry products, and
arsenic and chromium from chemically-treated lumber.
Your risk from these exposures varies, depending on how often you do this type of work. To reduce your exposure to these chemicals: work in
a well ventilated area, and work with approved safety equipment, such as those dust masks that are specially designed to filter out microscopic
particles.
Symbology
Canadian Standards Association
Amperes
Double Insulated
Underwriters Laboratories, Inc.
Volts Alternating Current
No Load Revolutions per
Minute (RPM)
Hertz
To reduce the risk of injury, user
must read and understand
operator's manual
FUNCTIONAL DESCRIPTION
Specifications
Cat.
No.
840M
840S
Percussion
Core
Bits
6"
6"
Load/
No
Load
RPM
190-385*
190-385*
Percussion
Carbide
Tipped
Bits
1-1/2"
1-1/2"
Load/
No Load
Blows per
Minute
1700-3400*
1700-3400*
Volts
AC
Only
120
120
Self-
Drilling
Anchors
5/8"
5/8"
Chisels
See
p. 9
* EFCC - The Electronic Feedback Control Circuit maintains constant speed under
varying load conditions.
Amps
11.0
11.0
1. Stop rotation knob
2. Vibration Isolation System
3. Handle
4. Trigger
5. Power indicator light
6. Service indicator light
7. Speed control dial
8. Vibration isolation side handle
9. Depth gauge adjustment knob
10. Depth gauge
11. Dust shield
12. Bit release collar
3
2
1
4
8
11
12
Cat. No. 840S
9
10
5
6
7
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