Chicago Electric 90891 Installationshandbuch

10” COMPOUND SLIDE MITER SAW

Model

90891

SET UP AND OPERATING INSTRUCTIONS

Diagrams within this manual may not be drawn proportionally.

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

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.

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 or replacement parts, please call 1-800-444-3353.

Cover revised 07h

Page 2SKU 90891 For technical questions, please call 1-800-444-3353.

REV 05i, 07h

SPECIFICATIONS

Electrical

Requirements

120 V / 60 Hz / 4600 RPM

10.8 A Input Working Amperage (with load)

1-3/4 HP Motor / Single Phase

2-Prong Power Plug

Double Insulated Motor w/ External Access Brushes

Arbor Diameter 5/8” (0.625”)

Positive Stops 0°, 15°, 22.5°, 30°, 45° Miter

0°, 45° Compound

Blade Diameter 10”, 60 Tooth, C2 Carbide Tipped Blade

Cutting Capacity At 90 Degrees: 3-1/2” Deep x 12” Front to Back

At 45 Degrees: 1-3/4” Deep x 10” Front to Back

Features Trigger Safety Button

Transparent, Retractable, Blade Guard

Accessories Workpiece Holders (Qty. 2)

Hex Socket Wrench (Qty. 1)

Bafe Plate (Qty. 1)

Bafe Plate Screw (Qty. 1)

Carbon Brushes (Qty. 2)

Dust Collect Bag (Qty. 1)

SAVE THIS MANUAL

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

operating, 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 refer-

ence.

GENERAL SAFETY RULES

WARNING! Read all instructions

Failure to follow all instructions listed below may result in electric shock,

re, and/or serious injury. The term “power tool” in all of the warnings listed

below refers to your mains-operated (corded) power tool or battery-operated

(cordless) power tool.

SAVE THESE INSTRUCTIONS

WORK AREA

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

invite accidents.

E105017E105017

Page 3SKU 90891 For technical questions, please call 1-800-444-3353.

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

ence of ammable liquids, gases, or dust. Power tools create sparks which

may ignite the dust or fumes.

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

Distractions can cause you to lose control. Protect others in the work area from

debris such as chips and sparks. Provide barriers or shields as needed.

ELECTRICAL SAFETY

Grounded tools must be plugged into an outlet properly installed and

grounded in accordance with all codes and ordinances. Never remove the

grounding prong or modify the plug in any way. Do not use any adapter

plugs. Check with a qualied electrician if you are in doubt as to whether

the outlet is properly grounded. If the tools should electrically malfunction or

break down, grounding provides a low resistance path to carry electricity away

from the user.

Double insulated tools are equipped with a polarized plug (one blade is

wider than the other). This plug will t in a polarized outlet only one way.

If the plug does not t fully in the outlet, reverse the plug. If it still does

not t, contact a qualied electrician to install a polarized outlet. Do not

change the plug in any way. Double insulation eliminates the need for the

three wire grounded power cord and grounded power supply system.

Avoid body contact with grounded surfaces such as pipes, radiators, rang-

es, and refrigerators. There is an increased risk of electric shock if your body is

grounded.

Do not expose power tools to rain or wet conditions. Water entering a power

tool will increase the risk of electric shock.

Do not abuse the Power Cord. Never use the Power Cord to carry the tools

or pull the Plug from an outlet. Keep the Power Cord away from heat, oil,

sharp edges, or moving parts. Replace damaged Power Cords immediate-

ly. Damaged Power Cords increase the risk of electric shock.

When operating a power tool outside, use an outdoor extension cord

marked “W-A” or “W”. These extension cords are rated for outdoor use, and

reduce the risk of electric shock.

PERSONAL SAFETY

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

ating a power tool. Do not use a power tool while tired or under the inu-

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

power tools may result in serious personal injury.

Page 4SKU 90891 For technical questions, please call 1-800-444-3353.

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.

Avoid accidental starting. Be sure the Power Switch is off before plugging

in. Carrying power tools with your nger on the Power Switch, or plugging in

power tools with the Power Switch on, invites accidents.

Remove adjusting keys or wrenches before turning the power tool on. A

wrench or a key that is left attached to a rotating part of the power tool 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 situa-

tions.

Use safety equipment. Always wear eye protection. Dust mask, non-skid

safety shoes, hard hat, or hearing protection must be used for appropriate condi-

tions.

TOOL USE AND CARE

Use clamps (not included) or other practical ways to secure and support

the workpiece to a stable platform. Holding the work by hand or against your

body is unstable and may lead to loss of control.

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 power tool if the Power Switch does not turn it on or off.

Any tool that cannot be controlled with the Power Switch is dangerous and must

be replaced.

Disconnect the Power Cord Plug from the power source before making any

adjustments, changing accessories, or storing the tool. Such preventive

safety measures reduce the risk of starting the tool accidentally.

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. Keep cutting tools sharp and clean. Properly

maintained tools with a sharp cutting edge are less likely to bind 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 main-

tained tools.

Page 5SKU 90891 For technical questions, please call 1-800-444-3353.

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.

SERVICE

Tool service must be performed only by qualied repair personnel. Service

or maintenance performed by unqualied personnel could result in a risk of injury.

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

structions 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 RULES

Maintain a safe working environment. Keep the work area well lit. Make sure

there is adequate surrounding workspace. Always keep the work area free of

obstructions, grease, oil, trash, and other debris. Do not use the Miter Saw in

areas near ammable chemicals, dusts, and vapors. Do not use this product in a

damp or wet location.

Maintain labels and nameplates on the Miter Saw. These carry important

information. If unreadable or missing, contact Harbor Freight Tools for a replace-

ment.

Do not force the equipment. This Miter Saw will do the work better and safer at

the speed and capacity for which it was designed.

Keep all guards in place and in working order.

Remove all adjusting wrenches from the Miter Saw before turning it on.

Do not abuse the Power Cord. Do not use the Power Cord to pull its Plug from

an electrical outlet. Keep the Power Cord away from heat, oil, sharp edges, and

moving parts. Route the Power Cord safely. Protect the Power Cord from be-

ing damaged by other equipment in the work area. Do not route the Power Cord

where it can be walked on or tripped over. Replace a damaged Power Cord im-

mediately.

Make sure the Power Switch is in the “OFF” position before plugging in the

Power Cord.

Do not use this Miter Saw for cutting metals or brittle materials. Do not cut

dangerous materials, such as asbestos which can cause harmful dust or vapors.

Page 6SKU 90891 For technical questions, please call 1-800-444-3353.

When replacing the Saw Blade, make sure the new Saw Blade has a diam-

eter of 10”, has an RPM rating of at least 4600, and has an arbor hole of 5/8”

diameter.

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

changing a Saw Blade.

Before using the Miter Saw, make sure the Saw Blade is properly mounted

on the Saw Spindle. Make sure the Saw Blade is balanced, and is not cracked

or bent.

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

pletely cool before touching.

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

When turning off the Miter 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 material into the Saw Blade when cutting. Apply moderate

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

Never attempt to remove material stuck in the moving parts of the Miter

Saw while the machine is plugged in and running.

Whenever possible, use clamps or other safe, practical ways to hold and

support the workpiece. Do not attempt to cut material that does not have a at

surface, unless a suitable support is used.

Turn off the Miter Saw and allow the Saw Blade to stop on its own if the

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

Always keep hands and ngers away from the spinning Saw Blade.

Use eye, hearing, and breathing protection. Always wear ANSI approved

safety impact eye goggles, hearing protectors, and dust masks or respirator

when working with the Miter Saw.

Do not use this product if under the inuence of alcohol or drugs. Read warning

labels on prescriptions to determine if your judgement or reexes are impaired

while taking drugs. If there is any doubt, do not attempt to use this product.

Industrial applications must follow OSHA requirements.

Maintain this product with care. Keep the Miter Saw clean and dry for better and

safer performance. For your safety, service and maintenance should be per-

formed regularly by a qualied technician.

Use the right tool or attachment for the right job. Do not attempt to force a

small tool or attachment to do the work of a larger industrial tool or attachment.

There are certain applications for which this product was designed. It will do the

10.

11.

12.

13.

14.

15.

16.

17.

18.

19.

20.

21.

22.

23.

Page 7SKU 90891 For technical questions, please call 1-800-444-3353.

job better and more safely at the rate for which it was intended. Do not modify

this product, and do not use this product for a purpose for which it was not in-

tended.

Always turn off the Miter Saw and unplug the Power Cord from its electrical

outlet before changing accessories or performing any inspection, mainte-

nance, or cleaning procedures.

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:

Lead from lead-based paints

Crystalline silica from bricks and cement 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

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

are specially designed to lter out microscopic particles. (California Health &

Safety Code § 25249.5, et seq.)

People with pacemakers should consult their physician(s) before use. Electro-

magnetic elds in close proximity to heart pacemaker could cause pacemaker

interference or pacemaker failure.

The warnings, precautions, and instructions discussed in this manual cannot

cover all possible conditions and situations that may occur. The operator must

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

this product, but must be supplied by the operator.

Only lock the Motor Housing in the lock down position for carrying or storing the

Miter Saw. Never attempt to cut with the Miter Saw when the Motor Housing is in

the lock down position.

GROUNDING

Improperly connecting the grounding wire can result in

electric shock.

Check with a qualied electrician if you are in doubt as to

whether the outlet is properly grounded. Do not modify

the power cord plug provided with the tool. Never remove

the grounding prong from the plug. Do not use the tool if

the power cord or plug is damaged. If damaged, have it

repaired by a service facility before use. If the plug will not

t the outlet, have a proper outlet installed by a qualied

electrician.

24.

25.

26.

27.

28.

WARNINGWARNING

Page 8SKU 90891 For technical questions, please call 1-800-444-3353.

Grounded Tools: Tools with Three Prong Plugs

Tools marked with “Grounding Required” have a three wire cord and three prong

grounding plug. The plug must be connected to a properly grounded outlet. If

the tool should electrically malfunction or break down, grounding provides a low

resistance path to carry electricity away from the user, reducing the risk of electric

shock. (See 3-Prong Plug and Outlet.)

The grounding prong in the plug is connected through the green wire inside the

cord to the grounding system in the tool. The green wire in the cord must be the

only wire connected to the tool’s grounding system and must never be attached

to an electrically “live” terminal. (See 3-Prong Plug and Outlet.)

The tool must be plugged into an appropriate outlet, properly installed and

grounded in accordance with all codes and ordinances. The plug and outlet

should look like those in the following illustration.

(See 3-Prong Plug and Outlet.)

3-Prong Plug and Outlet Outlets for 2-Prong Plug

Double Insulated Tools: Tools with Two Prong Plugs

Tools marked “Double Insulated” do not require grounding. They have a special

double insulation system which satises OSHA requirements and complies with

the applicable standards of Underwriters Laboratories, Inc., the Canadian Stan-

dard Association, and the National Electrical Code.

(See Outlets for 2-Prong Plug.)

Double insulated tools may be used in either of the 120 volt outlets shown in the

preceding illustration. (See Outlets for 2-Prong Plug.)

Extension Cords

Grounded tools require a three wire extension cord. Double Insulated tools can

use either a two or three wire extension cord.

As the distance from the supply outlet increases, you must use a heavier gauge

extension cord. Using extension cords with inadequately sized wire causes a

serious drop in voltage, resulting in loss of power and possible tool damage.

(See Table A.)

Page 9SKU 90891 For technical questions, please call 1-800-444-3353.

The smaller the gauge number of the wire, the greater the capacity of the cord.

For example, a 14 gauge cord can carry a higher current than a 16 gauge cord.

(See Table A.)

When using more than one extension cord to make up the total length, make

sure each cord contains at least the minimum wire size required. (See Table A.)

If you are using one extension cord for more than one tool, add the nameplate

amperes and use the sum to determine the required minimum cord size.

(See Table A.)

If you are using an extension cord outdoors, make sure it is marked with the suf-

x “W-A” (“W” in Canada) to indicate it is acceptable for outdoor use.

Make sure the extension cord is properly wired and in good electrical condition.

Always replace a damaged extension cord or have it repaired by a qualied elec-

trician before using it.

Protect the extension cords from sharp objects, excessive heat, and damp or wet

areas.

RECOMMENDED MINIMUM WIRE GAUGE FOR EXTENSION CORDS* (120/240 VOLT)

NAMEPLATE

AMPERES

(at full load)

EXTENSION CORD LENGTH

25 Feet 50 Feet 75 Feet 100 Feet 150 Feet

0 – 2.0 18 18 18 18 16

2.1 – 3.4 18 18 18 16 14

3.5 – 5.0 18 18 16 14 12

5.1 – 7.0 18 16 14 12 12

7.1 – 12.0 18 14 12 10 -

12.1 – 16.0 14 12 10 - -

16.1 – 20.0 12 10 - - -

TABLE A * Based on limiting the line voltage drop to ve volts at 150% of the rated amperes.

Symbology

Double Insulated V~ Volts Alternating Current

Canadian Standards Association AAmperes

Underwriters Laboratories, Inc. n0xxxx/min. No Load Revolutions per Minute

(RPM)

Page 10SKU 90891 For technical questions, please call 1-800-444-3353.

UNPACKING

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

pages 22 and 23 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.

ASSEMBLY AND FUNCTIONS

Note: For additional references to the parts listed in the following pages, refer to the As-

sembly Diagrams on pages 24 and 25.

To Assemble The Accessories:

WARNING! Prior to performing any assembly procedures, make sure the Power

Cord of the Miter Saw is unplugged from its electrical outlet.

The Miter Saw comes with several accessories that may be attached to the unit.

DUST COLLECTION BAG

(154)

ELBOW

(47)

FIGURE D

BAFFLE PLATE

(151) HOLDER (149)

The Dust Collection Bag (154) can be attached by inserting the bag opening onto

the top of the Elbow (47). The Dust Collection Bag helps keep the work area

clean by catching sawdust and wood chips which are thrown off by the Saw

Blade (51). When the Dust Collection Bag is half full, remove it from the Miter

Saw, empty, and reattach it to the Miter Saw. (See Figure D.)

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