Central Machinery 41876 User Manual
PORTABLE THREADING
MACHINE
41876
SET UP AND OPERATING INSTRUCTIONS
Distributed exclusively by Harbor Freight Tools®.
3491 Mission Oaks Blvd., Camarillo, CA 93011
Visit our website at: http://www.harborfreight.com
Read this material before using this product.
Failure to do so can result in serious injury.
SAVE THIS MANUAL.
Copyright© 1999 by Harbor Freight Tools®. All rights reserved. No portion of this manual 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 manual 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.
Manual revised 08l
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.
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.
General Power Tool Safety
Warnings
IMPORTANT SAFETY
INFORMATION
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.
WARNING Read all safety
warnings and instructions.
Failure to follow the warnings and
instructions may result in electric
shock, re and/or serious injury.
Save all warnings and
instructions for future reference.
The term ″power tool″ in the
warnings refers to your mains-
operated (corded) power tool or
battery-operated (cordless) power
tool.
Work area safety1.
Keep work area clean and well lit. a.
Cluttered or dark areas invite acci-
dents.
Do not operate power tools in b.
explosive atmospheres, such as in
the presence of ammable liquids,
gases or dust. Power tools create
sparks which may ignite the dust or
fumes.
Keep children and bystanders c.
away while operating a power tool.
Distractions can cause you to lose
control.
Electrical safety2.
Power tool plugs must match the a.
outlet. Never modify the plug in
any way. Do not use any adapter
SKU 41876 For technical questions, please call 1-800-444-3353. Page 2
plugs with grounded power tools.
Unmodied plugs and matching outlets will reduce risk of electric shock.
Do not expose power tools to rain b.
or wet conditions. Water entering
a power tool will increase the risk of
electric shock.
Do not abuse the cord. Never use c.
the cord for carrying, pulling or
unplugging the power tool. Keep
cord away from heat, oil, sharp
edges or moving parts. Damaged
or entangled cords increase the risk
of electric shock.
When operating a power tool out-d.
doors, use an extension cord suitable for outdoor use. Use of a cord
suitable for outdoor use reduces the
risk of electric shock.
If operating a power tool in a damp e.
location is unavoidable, use a
Ground Fault Circuit Interrupter
(GFCI) protected supply. Use of
a GFCI reduces the risk of electric
shock.
Personal safety3.
Stay alert, watch what you are do-a.
ing and use common sense when
operating a power tool. Do not use
a power tool while you are tired
or under the inuence of drugs,
alcohol or medication. A moment
of inattention while operating power
tools may result in serious personal
injury.
Use personal protective equip-b.
ment. Always wear eye protection.
Safety equipment such as dust mask,
non-skid safety shoes, hard hat, or
hearing protection used for appropriate conditions will reduce personal
injuries.
Prevent unintentional starting. c.
Ensure the switch is in the off-position before connecting to power
source, picking up or carrying the
tool. Carrying power tools with your
nger on the switch or energizing
power tools that have the switch on
invites accidents.
Remove any adjusting key or d.
wrench before turning the power
tool on. A wrench or a key left at-
tached to a rotating part of the power
tool may result in personal injury.
Do not overreach. Keep proper e.
footing and balance at all times.
This enables better control of the
power tool in unexpected situations.
Dress properly. Do not wear loose f.
clothing or jewelry. Keep your
hair, clothing and gloves away
from moving parts. Loose clothes,
jewelry or long hair can be caught in
moving parts.
Only use safety equipment that g.
has been approved by an appropriate standards agency. Unapproved
safety equipment may not provide
adequate protection. Eye protection
must be ANSI-approved and breathing protection must be NIOSH-approved for the specic hazards in the
work area.
Power tool use and care4.
Do not force the power tool. Use a.
the correct power tool for your application. The correct power tool will
do the job better and safer at the rate
for which it was designed.
Do not use the power tool if the b.
switch does not turn it on and off.
Any power tool that cannot be con-
SKU 41876 For technical questions, please call 1-800-444-3353. Page 3
trolled with the switch is dangerous
and must be repaired.
Disconnect the plug from the c.
power source before making any
adjustments, changing accessories, or storing power tools. Such
preventive safety measures reduce
the risk of starting the power tool accidentally.
Store idle power tools out of the d.
reach of children and do not allow
persons unfamiliar with the power
tool or these instructions to operate the power tool. Power tools are
dangerous in the hands of untrained
users.
Maintain power tools. Check for e.
misalignment or binding of moving
parts, breakage of parts and any
other condition that may affect the
power tool’s operation. If damaged, have the power tool repaired
before use. Many accidents are
caused by poorly maintained power
tools.
Keep cutting tools sharp and f.
clean. Properly maintained cutting
tools with sharp cutting edges are
less likely to bind and are easier to
control.
Use the power tool, accessories g.
and tool bits etc. in accordance
with these instructions, taking into
account the working conditions
and the work to be performed. Use
of the power tool for operations different from those intended could result
in a hazardous situation.
Service5.
Have your power tool serviced by a.
a qualied repair person using
only identical replacement parts.
This will ensure that the safety of the
power tool is maintained.
Pipe Threader Safety Warnings
Maintain labels and nameplates on 1.
the tool. These carry important safety
information. If unreadable or missing, contact Harbor Freight Tools for a
replacement.
Avoid unintentional starting. Prepare 2.
to begin work before turning on the
tool.
When using a handheld power tool, 3.
maintain a rm grip on the tool with
both hands to resist starting torque.
Do not leave the tool unattended 4.
when it is plugged into an electrical
outlet. Turn off the tool, and unplug it
from its electrical outlet before leaving.
This product is not a toy. Keep it out 5.
of reach of children.
People with pacemakers should 6.
consult their physician(s) before use.
Electromagnetic elds in close proximity to heart pacemaker could cause
pacemaker interference or pacemaker failure. In addition, people with
pacemakers should:
• Avoid operating alone.
• Do not use with Trigger locked on.
• Properly maintain and inspect to
avoid electrical shock.
• Any power cord must be properly
grounded. Ground Fault Circuit Interrupter (GFCI) should also be implemented – it prevents sustained electrical shock.
Some dust created by power sand-7.
ing, sawing, grinding, drilling, and
SKU 41876 For technical questions, please call 1-800-444-3353. Page 4
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