Central Pneumatic 68832 User manual
3” Composite Air Cut-off Tool
Item 68832
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Read this manual before using this product.
Failure to do so can result in serious injury.
SAVE THIS MANUAL.
When unpacking, make sure that the product is intact and undamaged.
If any parts are missing or broken, please call 1-800-444-3353 as soon as possible.
Copyright©2011 by Harbor Freight Tools®. All rights reserved. No portion of this document
or any artwork contained herein may be reproduced in any shape or form without the express
written consent of Harbor Freight Tools. Diagrams within this document may not be drawn
proportionally. Due to continuing improvements, actual product may differ slightly from the
product described herein. Tools required for assembly and service may not be included.
For technical questions or replacement parts, please call 1-800-444-3353.
Page 2 For technical questions, please call 1-800-444-3353. SKU 68832
Save This Manual
Keep this manual for the safety warnings
and precautions, assembly, operating,
inspection, maintenance and cleaning
procedures. Write the product’s serial
number in the back of the manual near
the assembly diagram (or month and year
of purchase if product has no number).
Keep this manual and the receipt in a
safe and dry place for future reference.
Safety Alert Symbol
and Signal Words
In this manual, on the labeling,
and all other information
provided with this product:
This is the safety alert
symbol. It is used to alert you
to potential personal injury
hazards. Obey all safety
messages that follow this symbol
to avoid possible injury or death.
DANGER indicates a hazardous
situation which, if not avoided, will
result in death or serious injury.
WARNING indicates a hazardous
situation which, if not avoided, could
result in death or serious injury.
CAUTION, used with the safety
alert symbol, indicates a hazardous
situation which, if not avoided, could
result in minor or moderate injury.
NOTICE is used to address practices
not related to personal injury.
CAUTION, without the safety alert
symbol, is used to address practices
not related to personal injury.
IMPORTANT SAFETY
INSTRUCTIONS
INSTRUCTIONS PERTAINING
TO A RISK OF FIRE,
ELECTRIC SHOCK, OR
INJURY TO PERSONS
WARNING – When using tools, basic
precautions should always be
followed, including the following:
General
a. To reduce the risks of electric
shock, re, and injury to
persons, read all the instructions
before using the tool.
Work Area
a. Keep the work area clean and well
lighted. Cluttered benches and dark
areas increase the risks of electric
b. Do not operate the tool in
explosive atmospheres, such
as in the presence of ammable
liquids, gases, or dust. The tool
is able to create sparks resulting in
the ignition of the dust or fumes.
c. Keep bystanders, children, and
visitors away while operating the
tool. Distractions are able to result
in the loss of control of the tool.
Page 3For technical questions, please call 1-800-444-3353.SKU 68832
Personal Safety
a. Stay alert. Watch what you are
doing and use common sense
when operating the tool. Do not
use the tool while tired or under
the inuence of drugs, alcohol, or
medication. A moment of inattention
while operating the tool increases
b. Dress properly. Do not wear loose
clothing or jewelry. Contain long
hair. Keep hair, clothing, and gloves
away from moving parts. Loose
of being caught in moving parts.
c. Avoid unintentional starting.
Be sure the switch is off before
connecting to the air supply.
on the switch or connect the tool to
the air supply with the switch on.
d. Remove adjusting keys and
wrenches before turning the tool
on. A wrench or a key that is left
attached to a rotating part of the tool
e. Do not overreach. Keep proper
footing and balance at all times.
Proper footing and balance
enables better control of the tool
in unexpected situations.
f. Use safety equipment. A dust
mask, non-skid safety shoes
and a hard hat must be used
for the applicable conditions. Wear
heavy-duty work gloves during use.
g. Always wear eye protection.
Wear ANSI-
approved safety goggles.
h. Always wear hearing
protection when using the
tool. Prolonged exposure to
high intensity noise is able to cause
hearing loss.
i. Risk of Electric Shock. This tool
is not provided with an insulated
gripping surface.
wire will also make exposed metal parts
Avoid body contact with grounded
surfaces such as pipes, radiators,
ranges and refrigerators. There
is an increased risk of electric
shock if your body is grounded.
k. Explore the workpiece to avoid
contact with hidden wiring.
Thoroughly investigate the workpiece
for possible hidden wiring before
performing work. Contact with live
wiring will shock the operator.
Tool Use and Care
a. Use clamps or another practical way
to secure and support the workpiece
to a stable platform. Holding the work
by hand or against the body is unstable
and is able to lead to loss of control.
b. Do not force the tool. Use the correct
tool for the application. The correct tool
rate for which the tool is designed.
c. Do not use the tool if the
switch does not turn the tool
on or off. Any tool that cannot
be controlled with the switch is
dangerous and must be repaired.
d. Disconnect the tool from the
air source before making any
adjustments, changing accessories,
or storing the tool. Such preventive
safety measures reduce the risk
of starting the tool unintentionally.
Turn off and detach the air supply,
safely discharge any residual air
pressure, and release the throttle and/
or turn the switch to its off position
before leaving the work area.
Page 4 For technical questions, please call 1-800-444-3353. SKU 68832
e. Store the tool when it is idle out of
reach of children and other untrained
persons. A tool is dangerous in
the hands of untrained users.
f. Maintain the tool with care. Keep
a cutting tool sharp and clean. A
properly maintained tool, with sharp
cutting edges reduces the risk of
binding and is easier to control.
g. Check for misalignment or binding
of moving parts, breakage of parts,
and any other condition that affects
the tool’s operation. If damaged,
have the tool serviced before using.
Many accidents are caused by poorly
maintained tools. There is a risk of
bursting if the tool is damaged.
h. Use only accessories that are
identied by the manufacturer for
the specic tool model. Use of an
accessory not intended for use with
i. Always use proper guard with
Cut-off Tool. A guard reduces
broken wheel fragments.
Accessories must be rated for
at least the speed of the tool
marked on the tool label. Wheels
and other accessories running over
Service
a. Tool service must be performed
only by qualied repair personnel.
b. When servicing a tool, use only
identical replacement parts.
Use only authorized parts.
c. Use only the lubricants supplied
with the tool or specied
by the manufacturer.
Air Source
a. Never connect to an air
source that is capable of
exceeding 200 psi.
Over pressurizing the tool
may cause bursting, abnormal
operation, breakage of the tool or
clean, dry, regulated compressed air at
the rated pressure or within the rated
pressure range as marked on the tool.
Always verify prior to using the tool that
rated air pressure or within the rated
air-pressure range.
b. Never use oxygen, carbon dioxide,
combustible gases or any bottled
gas as an air source for the tool.
Such gases are capable of explosion
SAVE THESE
INSTRUCTIONS.
Symbols and Specic
Safety Instructions
Symbol Denitions
Symbol Property or statement
noNo-load speed
.../min Revolutions or
reciprocation per minute
PSI Pounds per square
inch of pressure
ft-lb Foot-pounds of torque
Chart continued in next column.
Page 5For technical questions, please call 1-800-444-3353.SKU 68832
Symbol Property or statement
BPM Blows per minute
CFM
SCFM
at standard conditions
NPT National pipe thread, tapered
NPS National pipe thread, straight
WARNING marking
Wear ANSI-approved
eye protection.
WARNING marking
concerning Risk of
Hearing Loss. Wear
hearing protection.
WARNING marking
concerning Risk of Respiratory
dust mask/respirator.
WARNING marking
concerning Risk of Explosion.
Specic Safety
Instructions
1. The warnings and precautions
discussed in this manual cannot cover
all possible conditions and situations
that may occur. It must be understood
by the operator that common sense
and caution are factors which cannot
be built into this product, but must
be supplied by the operator.
WARNING: Some dust created by
power sanding, sawing, grinding,
drilling, and other construction activities,
contains chemicals known [to the State
of California] to cause cancer, birth
defects or other reproductive harm.
Some examples of these chemicals are:
cement or other masonry products
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
(California Health & Safety
Code § 25249.5, et seq.)
2. WARNING: The brass components
of this product contain lead, a
chemical known to the State of
California to cause birth defects
(or other reproductive harm).
(California Health & Safety
code § 25249.5, et seq.)
3. Only use with accessories rated to
handle the forces exerted by this tool
during operation. Other accessories
not designed for the forces generated
may break and forcefully launch pieces.
4. Attach all accessories properly to
the tool before connecting the air
supply. A loose accessory may
detach or break during operation.
5. Obey the manual for the air
compressor used to power this tool.
6. Install an in-line shutoff valve
to allow immediate control over
the air supply in an emergency,
even if a hose is ruptured.
7. Use this tool with both hands only.
Using tools with only one hand
can result in loss of control.
8. Do not lay the tool down until it has
come to a complete stop. Moving
parts can grab the surface and
pull the tool out of your control.
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