Chicago Electric 94071 Installation manual

3″ MINI TOOL GRINDER

94071

SET UP AND OPERATING INSTRUCTIONS

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.

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 11a

SKU 94071 For technical questions, please call 1-800-444-3353 PAGE 2

CONTENTS

IMPORTANT SAFETY

INFORMATION ........................... 3

GENERAL TOOL SAFETY

WARNINGS ..................................... 3

GROUNDING INSTRUCTIONS .... 5

110-120 V~ GROUNDED TOOLS:

TOOLS WITH THREE PRONG

PLUGS ............................................ 5

GRINDER SAFETY WARNINGS ....... 6

SPECIFICATIONS ......................... 8

UNPACKING ................................. 8

ASSEMBLY INSTRUCTIONS ....... 8

TO ATTACH THE RIGHT

MOVABLE TOOL REST: ................ 8

TO ATTACH THE SPARK SHIELDS: 9

TO MOUNT THE GRINDER ON A

WORKBENCH: ............................... 9

OPERATING INSTRUCTIONS ... 10

INSPECTION, MAINTENANCE,

AND CLEANING ........................11

PARTS LIST ................................ 12

ASSEMBLY DIAGRAM ............... 13

LIMITED 90 DAY WARRANTY ... 14

SKU 94071 For technical questions, please call 1-800-444-3353 PAGE 3

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.

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.

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 Tool Safety Warnings

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.

1. KEEP GUARDS IN PLACE

and in working order.

2. REMOVE ADJUSTING KEYS

AND WRENCHES. Form habit

of checking to see that keys and

adjusting wrenches are removed

from tool before turning it on.

3. KEEP WORK AREA CLEAN.

Cluttered areas and benches

invite accidents.

4. DON’T USE IN DANGEROUS

ENVIRONMENT. Don’t use

power tools in damp or wet

locations, or expose them to rain.

Keep work area well lighted.

SKU 94071 For technical questions, please call 1-800-444-3353 PAGE 4

5. KEEP CHILDREN AWAY. All

visitors should be kept safe

distance from work area.

6. MAKE WORKSHOP KID PROOF

with padlocks, master switches,

or by removing starter keys.

7. DON’T FORCE TOOL. It will do

the job better and safer at the

rate for which it was designed.

8. USE RIGHT TOOL. Don’t force

tool or attachment to do a job

for which it was not designed.

RECOMMENDED MINIMUM WIRE

GAUGE FOR EXTENSION CORDS

(120 VOLT)

NAMEPLATE

AMPERES

(at full load)

EXTENSION CORD

LENGTH

25’ 50’ 100’ 150’

0 – 6 18 16 16 14

6.1 – 10 18 16 14 12

10.1 – 12 16 16 14 12

12.1 – 16 14 12

TABLE A

9. USE PROPER EXTENSION CORD.

Make sure your extension cord

is in good condition. When using

an extension cord, be sure to use

one heavy enough to carry the

current your product will draw. An

undersized cord will cause a drop in

line voltage resulting in loss of power

and overheating. Table A shows

the correct size to use depending

on cord length and nameplate

ampere rating. If in doubt, use the

next heavier gauge. The smaller the

gauge number, the heavier the cord.

10. WEAR PROPER APPAREL.

Do not wear loose clothing,

neckties, rings, bracelets, or other

jewelry which may get caught in

moving parts. Nonslip footwear is

recommended. Wear protective

hair covering to contain long hair.

11. ALWAYS USE SAFETY GLASSES.

Also use face or dust mask

if grinding operation is dusty.

Everyday eyeglasses only have

impact resistant lenses, they

are NOT safety glasses.

12. DON’T OVERREACH. Keep proper

footing and balance at all times.

13. MAINTAIN TOOLS WITH CARE.

Keep tools sharp and clean for

best and safest performance.

Follow instructions for lubricating

and changing accessories.

14. DISCONNECT TOOLS before

servicing; when changing

accessories, such as blades,

bits, cutters, and the like.

15. REDUCE THE RISK OF

UNINTENTIONAL STARTING.

Make sure switch is in off

position before plugging in.

16. USE RECOMMENDED

ACCESSORIES. Consult the

owner’s manual for recommended

accessories. The use of

improper accessories may cause

risk of injury to persons.

17. NEVER STAND ON TOOL.

Serious injury could occur if the

tool is tipped or if the grinding tool

is unintentionally contacted.

18. CHECK DAMAGED PARTS. Before

further use of the tool, a guard or

other part that is damaged should be

carefully checked to determine that

it will operate properly and perform

SKU 94071 For technical questions, please call 1-800-444-3353 PAGE 5

its intended function – check for

alignment of moving parts, binding

of moving parts, breakage of parts,

mounting, and any other conditions

that may affect its operation. A guard

or other part that is damaged should

be properly repaired or replaced.

19. DIRECTION OF FEED. Feed

work into a blade or cutter

against the direction of rotation

of the blade or cutter only.

20. NEVER LEAVE TOOL RUNNING

UNATTENDED. TURN POWER OFF.

GROUNDING INSTRUCTIONS

TO PREVENT

ELECTRIC SHOCK

AND DEATH FROM

INCORRECT GROUNDING

WIRE CONNECTION

READ AND FOLLOW THESE

INSTRUCTIONS:

110-120 V~ Grounded Tools:

Tools with Three Prong Plugs

1. In the event of a malfunction or

breakdown, grounding provides a

path of least resistance for electric

current to reduce the risk of electric

shock. This tool is equipped with an

electric cord having an equipment-

grounding conductor and a grounding

plug. The plug must be plugged into

a matching outlet that is properly

installed and grounded in accordance

with all local codes and ordinances.

2. Do not modify the plug provided

– if it will not t the outlet, have

the proper outlet installed by

a qualied electrician.

3. Improper connection of the

equipment-grounding conductor can

result in a risk of electric shock. The

conductor with insulation having

an outer surface that is green with

or without yellow stripes is the

equipment-grounding conductor. If

repair or replacement of the electric

cord or plug is necessary, do not

connect the equipment-grounding

conductor to a live terminal.

4. Check with a qualied electrician or

service personnel if the grounding

instructions are not completely

understood, or if in doubt as to

whether the tool is properly grounded.

5. Use only 3-wire extension cords

that have 3-prong grounding

plugs and 3-pole receptacles

that accept the tool’s plug.

6. Repair or replace damaged

or worn cord immediately.

125 V~ 3-Prong Plug and Outlet

(for up to 125 V~ and up to 15 A)

Grounding

7. This tool is intended for use on a

circuit that has an outlet that looks

like the one illustrated above in

125 V~ 3-Prong Plug and Outlet.

8. The tool has a grounding plug that

looks like the plug illustrated above

in 125 V~ 3-Prong Plug and Outlet.

SKU 94071 For technical questions, please call 1-800-444-3353 PAGE 6

9. The outlet must be properly installed

and grounded in accordance

with all codes and ordinances.

10. Do not use an adapter to connect

this tool to a different outlet.

Grinder Safety Warnings

For Your Own Safety Read Instruction

Manual Before Operating Grinder

1. Wear eye protection.

2. Use grinding wheel suitable

for speed of grinder.

3. Replace cracked wheel immediately.

4. Always use guards and eye shields.

5. Do not overtighten wheel nut.

6. Use only anges furnished

with the grinder.

7. Adjust distance between wheel and

work rest to maintain 1/16 inch or

less separation as the diameter of

the wheel decreases with use.

8. Frequently clean grinding

dust from beneath grinder.

9. Wear a full face shield over ANSI-

approved safety goggles during use.

10. Do not grind with side of wheel

unless wheel is specically

designed for that type of grinding.

11. DO NOT OPERATE WITH

ANY GUARD DISABLED,

DAMAGED, OR REMOVED.

12. The use of accessories or

attachments not recommended

by the manufacturer may result

in a risk of injury to persons.

13. When servicing use only

identical replacement parts.

14. Only use safety equipment that 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 specic

hazards in the work area.

15. Industrial applications must

follow OSHA guidelines.

16. Maintain labels and nameplates

on the tool. These carry important

safety information. If unreadable

or missing, contact Harbor Freight

Tools for a replacement.

17. Avoid unintentional starting.

Prepare to begin work before

turning on the tool.

18. People with pacemakers should

consult their physician(s) before

use. Electromagnetic elds in close

proximity to heart pacemaker could

cause pacemaker interference

or pacemaker failure.

19. 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

SKU 94071 For technical questions, please call 1-800-444-3353 PAGE 7

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.)

20. WARNING: Handling the cord on

this product will expose you to lead,

a chemical known to the State of

California to cause cancer, and birth

defects or other reproductive harm.

Wash hands after handling.

(California Health & Safety

Code § 25249.5, et seq.)

21. The warnings, precautions,

and instructions discussed in

this instruction 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.

Vibration Safety

This tool vibrates during use.

Repeated or long-term exposure

to vibration may cause temporary

or permanent physical injury,

particularly to the hands, arms

and shoulders. To reduce the

risk of vibration-related injury:

1. Anyone using vibrating tools regularly

or for an extended period should

rst be examined by a doctor and

then have regular medical check-

ups to ensure medical problems are

not being caused or worsened from

use. Pregnant women or people

who have impaired blood circulation

to the hand, past hand injuries,

nervous system disorders, diabetes,

or Raynaud’s Disease should not

use this tool. If you feel any medical

or physical symptoms related to

vibration (such as tingling, numbness,

and white or blue ngers), seek

medical advice as soon as possible.

2. Do not smoke during use. Nicotine

reduces the blood supply to the

hands and ngers, increasing the

risk of vibration-related injury.

3. Wear suitable gloves to reduce

the vibration effects on the user.

4. Use tools with the lowest

vibration when there is a choice

between different processes.

5. Include vibration-free periods

each day of work.

6. Grip tool as lightly as possible

(while still keeping safe control of it).

Let the tool do the work.

7. To reduce vibration, maintain

the tool as explained in this

manual. If any abnormal vibration

occurs, stop use immediately.

SAVE THESE

INSTRUCTIONS.

SKU 94071 For technical questions, please call 1-800-444-3353 PAGE 8

SPECIFICATIONS

Electrical Input 120 V~ / 1 A (Start)

Arbor Shaft 1/2″

No Load Speed 3450 RPM

Mounting Holes 3/16″ Diameter

UNPACKING

When unpacking, check to make

sure all the parts shown on the Parts List

near the end of the manual are included.

If any parts are missing or broken, please

call Harbor Freight Tools at

1-800-444-3353 as soon as possible.

ASSEMBLY INSTRUCTIONS

WARNING! Turn the Grinder off and

unplug it before assembly.

To Attach The Right

Movable Tool Rest:

1. The left Movable Tool Rest

has been pre-attached by the

manufacturer. However, the right

Movable Tool Rest must be attached

by the operator prior to using

the Grinder. (See Figure E.)

2. To attach the right Movable Tool

Rest, insert its mounting slot onto the

protruding, threaded Bolt located on

the front of the Grinder. Then, secure

the Movable Tool Rest, using the

Wing Nut. IMPORTANT: Adjust the

distance between the Movable Tool

Rest and Grinding Wheel to a 1/16″

or less separation. (See Figure E.)

RIGHT

SAFETY

GUARD

COVER

FLAT WASHER

SPRING WASHER

MOVABLE TOOL REST

WING NUT

ONOFF

FIGURE E

REV 11a

3168328

SKU 94071 For technical questions, please call 1-800-444-3353 PAGE 9

To Attach The Eyeshield:

1. An Eyeshield must be attached

to both Right Safety Guard

(to be used as protection

from the Grinding Wheel).

Eyeshield

Attach the Eyeshield to the Guard

using two Screws, two Flat Washers,

and two Spring Washers. Orient it

as shown in the illustration above.

To Mount The Grinder

On A Workbench:

CAUTION! Make sure the workbench

on which the Grinder will be mounted

is at, level, and sturdy enough to

support the weight of the Grinder, any

workpieces, and any additional tools.

1. The Grinder is equipped with four

Rubber Feet which allows the tool

to be temporarily placed upon

a workbench for use. However,

if the Grinder is to be permanently

mounted on a workbench, the

Rubber Feet must be removed.

2. To permanently mount the Grinder

on a workbench, remove the

Rubber Feet and place the Grinder

in the desired work location on

the workbench. Use the four

mounting holes at the Base as

a template to mark the areas

where four 3/16″ diameter

mounting holes should be drilled

through the workbench.

3. Temporarily remove the Grinder, and

drill the four 3/16″ diameter mounting

holes through the workbench, making

sure no hidden electric cords or

cables are in the drilling path.

4. Once the 3/16″ mounting holes

are drilled, align the four mounting

holes at the Base of the Grinder

with the four predrilled mounting

holes in the workbench. Secure

the Grinder to the workbench, using

four appropriate length Bolts, Lock

Washers, and Nuts (not included).

REV 06c; 11a

SKU 94071 For technical questions, please call 1-800-444-3353 PAGE 10

OPERATING INSTRUCTIONS

GRINDING

WHEEL

BUFFING

WHEEL

ONOFF

POWER

SWITCH

Movable

TOOL REST

FIGURE F

Connect the Power Cord/Plug of

the Grinder to the nearest 120 volt,

grounded, electrical outlet.

(See Figure F.)

2. WARNING! ALWAYS

wear ANSI-approved safety

impact eye glasses underneath

an ANSI-approved safety

impact full face shield when

operating the Grinder.

3. Turn the Power Switch to its “ON”

position, and allow the Bufng

Wheel and Grinding Wheel to spin

up to full speed. (See Figure F.)

4. Place the object you are bufng or

grinding rmly against the Movable

Tool Rest and slowly feed the object

into the revolving Bufng Wheel or

Grinding Wheel. (See Figure F.)

5. CAUTION! Keep hands away

from the Bufng Wheel and Grinding

Wheel. Also, make sure to hold the

object you are bufng or grinding

rmly against the Movable Tool

Rest throughout the bufng/grinding

process. Failure to do so may

cause the object to be propelled

by the Bufng Wheel or Grinding

Wheel toward your body and/or

into the Grinder. (See Figure F.)

6. Once the grinding process is

competed, turn the Power Switch of

the Grinder to its “OFF” position. Do

not press against the Bufng Wheel

or Grinding Wheel to stop them

from spinning. Allow the Wheels to

completely stop on their own. Then,

disconnect the Power Cord/Plug from

its electrical outlet. (See Figure F.)

7. Keep the Grinder in an area

out of reach of children and

other unauthorized people.

REV 11a

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