Chicago Electric 94488 Manuale utente

14” GAS PORTABLE CUT

OFF SAW

Model

94488

ASSEMBLY AND OPERATING INSTRUCTIONS

Due to continuing improvements, actual product may differ slightly from the product described herein.

CAUTION!

Your Warranty Is Voided If:

You do not operate the Cut Off Saw with the proper 50:1 fuel mix in its Fuel Tank.

SEE PAGES 12 AND 13 OF THIS MANUAL FOR FUEL MIX INSTRUCTIONS.

Never run the Engine with an improper fuel mix, low or no fuel mix.

Running the Engine with an improper fuel mix, low or no fuel mix will permanently damage the unit.

3491 Mission Oaks Blvd., Camarillo, CA 93011

Visit our Web site at: http://www.harborfreight.com

TO PREVENT SERIOUS INJURY, READ

AND UNDERSTAND ALL WARNINGS AND

INSTRUCTIONS BEFORE USE.

manual or any artwork contained herein may be reproduced in any shape or form

without the express written consent of Harbor Freight Tools.

For technical questions, please call 1-800-444-3353.

SKU 94488 For technical questions, please call 1-800-444-3353 PAGE 2

PRODUCT SPECIFICATIONS

Required Saw Blade Type 14” Diameter (Not Included)

7/64” to 1/4” Thickness

Composite Abrasive or Diamond Abrasive

Rated at a Minimum 4700 RPM

1” Diameter Spindle Hole

Maximum Saw Blade Speed 4700 RPM

Saw Blade Rotation Clockwise

Maximum Cutting Depth 4-1/2”

Drive Type Belt Driven

Belt Type 10X840 Li (3/4” Width)

Spindle Diameter 1” Diameter

Noise Level 110 dBA @ 3 Feet

Engine Speciﬁcations 3.8 HP / Recoil Start / Air Cooled

Engine Idle Speed: 2400 RPM

64cc Displacement / 49mm Cylinder Bore / Single Cylinder / 34mm Piston Stroke

Fuel Mix: Unleaded Gasoline with Octane Rating of 91 / Two Stroke Engine Oil / Ratio 50:1

Fuel Tank Capacity: 0.4 Gallons

Ignition Type: Electronically Controlled Magneto

Spark Plug Type: Bosch WSR 6F or NGK BPMR 7A; M14 x 1.25 Thread

Engine Approvals: 2003 U.S. EPA

Emission Control: EM / TWC

Overall Dimensions 29-1/2” L x 14” W x 12” H

Product Weight 29.5 Pounds

The Emission Control System for this Cut Off Saw is warranted for standards set by the U.S.

Environmental Protection Agency. For warranty information, refer to the back two pages of this manual.

SAVE THIS MANUAL

You will need this manual for the safety warnings and precautions, assembly, operat-

ing, inspection, maintenance and cleaning procedures, parts list and assembly diagram.

Keep your invoice with this manual. Write the invoice number on the inside of the front

cover. Keep this manual and invoice in a safe and dry place for future reference.

GENERAL SAFETY RULES AND PRECAUTIONS

WARNING!

READ AND UNDERSTAND ALL INSTRUCTIONS

Failure to follow all instructions listed below may result in

electric shock, ﬁre, and/or serious injury.

SAVE THESE INSTRUCTIONS

WORK AREA

Keep your work area clean and well lit. Cluttered benches and dark areas invite

accidents.

Do not operate power tools in explosive atmospheres, such as in the pres-

ence of ﬂammable liquids, gases, or dust. Power tools create sparks which may

ignite the dust or fumes.

SKU 94488 For technical questions, please call 1-800-444-3353 PAGE 3

Keep bystanders, children, and visitors away while operating a power tool.

Distractions can cause you to lose control. Provide barriers or shields as needed.

PERSONAL SAFETY

Stay alert. Watch what you are doing, and use common sense when operat-

ing a power tool. Do not use a power tool while tired or under the inﬂuence

of drugs, alcohol, or medication. A moment of inattention while operating power

tools may result in serious personal injury.

Dress properly. Do not wear loose clothing or jewelry. Contain long hair.

Keep your hair, clothing, and gloves away from moving parts. Loose clothes,

jewelry, or long hair can be caught in moving parts.

Remove adjusting keys or wrenches before turning the Cut Off Saw on. A

wrench or a key that is left attached to a rotating part of the machine may result in

personal injury.

Do not overreach. Keep proper footing and balance at all times. Proper footing

and balance enables better control of the power tool in unexpected situations.

Use safety equipment. Always wear ANSI-approved safety impact goggles when

using this product. Proper hearing and breathing protection must also be used.

TOOL USE AND CARE

Do not force the tool. Use the correct tool for your application. The correct

tool will do the job better and safer at the rate for which it is designed.

Do not use the Cut Off Saw if the Engine’s Kill Switch (5D) does not immedi-

ately turn it off. Any tool that cannot be controlled with its Kill Switch is dangerous

and must be replaced.

Store idle tools out of reach of children and other untrained persons. Tools

are dangerous in the hands of untrained users.

Maintain tools with care. Properly maintained tools are less likely to malfunction

and are easier to control. Do not use a damaged tool. Tag damaged tools “Do not

use” until repaired.

Check for misalignment or binding of moving parts, breakage of parts, and any

other condition that may affect the tool’s operation. If damaged, have the tool

serviced before using. Many accidents are caused by poorly maintained tools.

Use only accessories that are recommended by the manufacturer for your

model. Accessories that may be suitable for one tool may become hazardous

when used on another tool.

SKU 94488 For technical questions, please call 1-800-444-3353 PAGE 4

SERVICE

Tool service must be performed only by qualiﬁed repair personnel. Service or

maintenance performed by unqualiﬁed personnel could result in a risk of injury.

When servicing a tool, use only identical replacement parts. Follow instruc-

tions in the “Inspection, Maintenance, And Cleaning” section of this manual.

Use of unauthorized parts or failure to follow maintenance instructions may create

a risk of electric shock or injury.

SPECIFIC SAFETY GENERAL RULES AND PRECAUTIONS

Maintain labels and nameplates on the Cut Off Saw. These carry important infor-

mation. If unreadable or missing, contact Harbor Freight Tools for a replacement.

Industrial applications must follow OSHA guidelines.

Never stand on the Cut Off Saw. Serious injury could result if the Saw is tipped.

Never leave the Cut Off Saw unattended when it is running. Turn off the Saw

before leaving.

Do not allow children and other unauthorized people to handle or play with

the Cut Off Saw. Keep children and other bystanders away from the working

area.

This Cut Off Saw is designed for outdoor use only. Do not operate the Cut Off

Saw in a closed area or in a poorly ventilated area. When running, the Engine of

this Cut Off Saw produces carbon monoxide, a colorless, odorless, toxic fume

that, when inhaled, can cause serious personal injury or death. Whenever

possible, use a carbon monoxide detector (not included) to detect excessive

carbon monoxide fumes in the work area and in the surrounding area.

Do not force the Cut Off Saw. This tool will do the work better and safer at the

speed and capacity for which it was designed.

FIRE AND EXPLOSION PRECAUTIONS

Gasoline fuel and fumes are ﬂammable, and potentially explosive. Use proper

fuel storage and handling procedures. Always have multiple ABC class ﬁre extin-

guishers nearby.

Keep the Cut Off Saw and surrounding areas clean at all times.

When spills of fuel or oil occur, they must be cleaned up immediately. Dispose

of ﬂuids and cleaning materials as per any local, state, or federal codes and regula-

tions. Store oil rags in a covered metal container.

SKU 94488 For technical questions, please call 1-800-444-3353 PAGE 5

Never store fuel or other ﬂammable materials near the Cut Off Saw.

Do not smoke, or allow sparks, ﬂames, or other sources of ignition around

the Cut Off Saw.

Keep grounded conductive objects, such as tools, away from exposed, live

electrical parts and connections to avoid sparking or arcing. These events

could ignite fumes or vapors.

Do not reﬁll the Fuel Tank while the Engine is running or while the Engine is

still hot. Do not operate the Cut Off Saw with known leaks in the fuel system.

MECHANICAL PRECAUTIONS

Prior to performing service, maintenance, or cleaning procedures, always

make sure the Engine is off. Allow the Engine and Cut Off Saw to

completely cool. Then, remove the spark plug from the Engine.

Do not alter or adjust any part of the Cut Off Saw or Engine that is assembled

and supplied by the manufacturer.

Always follow scheduled Cut Off Saw and Engine maintenance.

CHEMICAL PRECAUTIONS

Avoid contact with hot fuel, oil, exhaust fumes, and solid surfaces.

Avoid body contact with fuels, oils, and lubricants used in the Cut Off Saw and

Engine. If swallowed, seek medical treatment immediately. Do not induce vomiting

if fuel is swallowed. For skin contact, immediately wash with soap and water. For

eye contact, immediately ﬂush eyes with clean water.

NOISE PRECAUTION

Prolonged exposure to high noise levels is hazardous to hearing. Always wear

ANSI-approved hearing protection when operating or working around the Cut Off

Saw when it is running.

SAW BLADE PRECAUTIONS

Only use Saw Blades with the following speciﬁcations:

14” Diameter.

From 7/64” to 1/4” thickness.

1” Diameter spindle mounting hole.

SKU 94488 For technical questions, please call 1-800-444-3353 PAGE 6

Only composite abrasive or diamond abrasive Saw Blades rated at a mini-

mum of 4,700 RPM.

Never use carbide-tipped, woodcutting, or circular machine Saw Blades. They

can cause severe personal injury from reactive forces, blade contact, or thrown

objects.

Only cut asphalt, concrete, stone, brick, and plastics with this Cut Off Saw.

Inspect the Saw Blade frequently, and replace immediately if the Blade is

cracked, or warped. Cracked or warped Saw Blades may shatter or break and

cause serious personal injury.

Always install the Saw Blade so that the arrow on the Blade points in the di-

rection of the rotation of the spindle.

Keep hands and ﬁngers away from the cutting area and Saw Blade.

Never attempt to cut more than one workpiece at a time.

When cutting a large workpiece, make sure its entire length is properly sup-

ported. If necessary, use a roller stand (not included).

Allow the Saw Blade to spin up to full speed before feeding it into a workpiece.

When turning off the Cut Off Saw, allow the Saw Blade to spin down and stop on

its own. Do not press against the Saw Blade to stop it.

Do not force the Saw Blade into the workpiece when cutting. Apply moderate

pressure, allowing the Saw Blade to cut without being forced.

To avoid accidental injury, always wear heavy duty work gloves when chang-

ing the Saw Blade.

The Saw Blade will become hot while cutting. Allow the Saw Blade to completely

cool before handling.

Turn off the Cut Off Saw and allow the Saw Blade to completely stop if the

Saw Blade is to be backed out of an uncompleted cut.

Never attempt to remove material stuck in the Cut Off Saw while it is operat-

ing.

KICKBACK PRECAUTIONS

Make sure the workpiece is free from nails, metal rebar, and any other foreign

objects that could damage the Saw Blade or cause “kickback”.

Causes and operator prevention of “kickback”: Kickback is a sudden reaction

to a pinched, bound, or misaligned Saw Blade, causing an uncontrolled Cut Off

Saw to lift up and out from the workpiece toward the operator. When the Saw Blade

10.

11.

12.

13.

14.

SKU 94488 For technical questions, please call 1-800-444-3353 PAGE 7

is pinched or bound tightly by the kerf closing down, the Saw Blade stalls and the

engine reaction drives the Cut Off Saw rapidly back toward the operator. If the Saw

Blade becomes twisted or misaligned in the cut, the teeth at the back edge of the

Saw Blade can raise the Cut Off Saw (walk up) toward the operator. Kickback is a

result of tool misuse and/or incorrect operating procedures or conditions and can

be avoided by taking proper precautions as given below:

Maintain control of the Cut Off Saw at all times. Never allow the rotating Saw

Blade to rest on the workpiece without holding on to the Saw with both hands.

When the Saw Blade is binding, or when interrupting a cut for any reason,

turn off the Cut Off Saw and hold the Saw motionless until the Saw Blade

comes to a complete stop. Never attempt to remove the Saw Blade from the

workpiece or pull the Saw backward while the Saw Blade is in motion or kick-

back may occur. Investigate and take corrective actions to eliminate the cause

of Saw Blade binding.

When restarting the Cut Off Saw on a workpiece, center the Saw Blade

in the pre-cut kerf and check that the Saw Teeth are not engaged into the

workpiece. If the Saw Blade is binding, the Cut Off Saw may walk up or kick-

back as the Saw is restarted.

Support large panels with roller stands (not included) to minimize the risk

of Saw Blade pinching and kickback. Large panels tend to sag under their

own weight. Supports must be placed under the panel and near the outer edge

of the panel.

Do not use a dull or damaged Saw Blade. Unsharpened or improperly set

Saw Blades produce a narrow kerf causing excessive friction, Saw Blade bind-

ing and kickback.

Push the Saw Blade past the workpiece prior to release.

Make sure to check the Blade Guard for proper operation. Never disable

the Guard. Do not use the Cut Off Saw if the Guard assembly does not oper-

ate properly. Before each use, make sure the Blade Guard does not touch the

Saw Blade.

MISC. PRECAUTIONS

WARNING! Some dust created by power sanding, sawing, grinding, drilling, and

other construction activities, contain chemicals known (to the State of California) to

cause cancer, birth defects or other reproductive harm. Some examples of these

chemicals are: lead from lead-based paints, crystalline silica from bricks and ce-

ment or other masonry products, 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

•

SKU 94488 For technical questions, please call 1-800-444-3353 PAGE 8

area, and work with approved safety equipment, such as those dust masks that are

specially designed to ﬁlter out microscopic particles.

(California Health & Safety Code § 25249.5, et seq.)

WARNING! People with pacemakers should consult their physician(s) before using

this product. Electromagnetic ﬁelds in close proximity to a heart pacemaker could

cause interference to or failure of the pacemaker.

WARNING! The warnings and precautions discussed in this manual cannot cover

all possible conditions and situations that may occur. It must be under stood by the

operator that common sense and caution are factors which cannot be built into this

product, but must be supplied by the operator.

SAVE THESE INSTRUCTIONS

CAUTION! Your Warranty is voided if:

You do not operate the Cut Off Saw with the proper 50:1 fuel mix in its Fuel

Tank. Never run the Engine with an improper fuel mix, low or no fuel mix. Running

the Engine with an improper fuel mix, low or no fuel mix will permanently damage

the unit.

SEE PAGES 12 AND 13 OF THIS MANUAL FOR FUEL MIX INSTRUCTIONS.

UNPACKING

When unpacking, check to make sure all the parts shown on the Parts Lists on pages

19 through 26 are included. If any parts are missing or broken, please call Harbor Freight

Tools at the number shown on the cover of this manual as soon as possible.

PRODUCT FEATURES

(See Figure A, page 11, for details.)

Saw Blade (23F): Use only composite abrasive or diamond abrasive Blades (not

included). Depending on the material to be cut, these Blades are made of differ-

ent materials. Make sure to choose the right Blade for the material being cut. The

Saw Blade should be 14” in diameter. From 7/64” to 1/4” thickness, and with a 1”

diameter spindle mounting hole. The Saw Blade should be rated at a minimum of

4,700 RPM.

Flanges (22F): Clamp and support the composite or diamond Saw Blade (23F).

Hex Bolt (25F): Tightens the Flange (22F).

Blade Guard (19F): Safety guard. Directs sparks and dust away from the opera-

tor.

SKU 94488 For technical questions, please call 1-800-444-3353 PAGE 9

Front Handle (3G): Use to securely hold the Cut Off Saw when operating.

Spark Plug Cover (4D): A removable cover for access to the Spark Plug (2B).

Kill Switch (5D): Engine stops when this switch is pressed and held.

Full Throttle Lock Button (9D): To lock the Throttle Trigger (10D) in wide open

position, press this button while the Throttle Trigger is fully depressed. Pressing and

releasing the Throttle Trigger will return the Throttle Trigger to its idle position.

Throttle Trigger (10D): Controls the Engine speed. Pulling back on the Throttle

Trigger opens the throttle and the Engine accelerates. Releasing the Throttle Trig-

ger slows down the Engine.

Rear Handle (7D): Use to securely hold the Cut Off Saw when operating.

Filter Cover Lock Lever (13E): Locks the Air Filter Cover (1E). Pull back on the

Filter Cover Lock Lever to open the Air Filter Cover.

Pre-Filter 1 (2E), Pre-Filter 2 (3E), Filter Housing (4E), Paper Air Filter (5E),

Secondary Filter (6E): Filters the air, preventing dirt and debris from entering the

Carburetor (7C).

Choke Lever (5C): Turning this Lever counterclockwise closes the Carburetor.

Use the Choke Lever to prime the Engine (cold starting). Turn clockwise for normal

operation.

Starter Grip (3A): Pull to start Engine.

Fuel Tank Cap (16C): Open this Cap for ﬁlling the Fuel Tank (2C, 10C). Close the

Fuel Tank Cap prior to for starting and operation.

Decompression Valve (7B): Press down on this Valve to make starting easier.

When air pressure in the Engine reaches a preset value, the Valve automatically

closes.

Belt Tensioner with Tensioning Nut (35F): For V-Belt tension adjustment. Turn

the Nut clockwise to loosen the V-Belt. Turn the Nut counterclockwise to add more

tension to the V-Belt.

Mufﬂer (9B): Reduces both noise and emissions.

Blade Guard Positioning Knob (38F): Loosen the Knob to adjust the Blade Guard

(19F) position.

Shaft Lock (34F): Press and hold the Shaft Lock to facilitate Saw Blade (23F)

changing and installation.

10.

11.

12.

13.

14.

15.

16.

17.

18.

19.

20.

REV 07e

SKU 94488 For technical questions, please call 1-800-444-3353 PAGE 10

23F

(NOT INCLUDED)

2E, 3E

13E

35F

16C

38F

34F

FIGURE A

22F

25F

19F 3G

5D 9D

10D

24F

Indice

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