Chicago Electric 43533 Manuale utente

3-INCH MUL3-INCH MUL

3-INCH MULTIPURPOSETIPURPOSE

TIPURPOSETIPURPOSE

TIPURPOSE

BENCH GRINDERBENCH GRINDER

BENCH GRINDER

ASSEMBLY AND OPERATING INSTRUCTIONS

3491 Mission Oaks Blvd., Camarillo, CA 93011

Visit ourWeb site at http://www.harborfreight.com

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

without the express written consent of Harbor FreightTools.

For technical questions and replacement parts, please call 1-800-444-3353

43533

SKU 43533 Page 2

Specifications

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SaveThis Manual

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

instructions, operating and maintenance procedures, parts list and diagram. Keep

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

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

Safety Warnings and Precautions

WARNING: When using tool, basic safety precautions should always be fol-

lowed to reduce the risk of personal injury and damage to equipment.

Read all instructions before using this product!

1. Avoid working alone. If an accident happens, an assistant can bring help.

2. Disconnect power.Unplug tool when not in use, before servicing and when

changing accessories such as grinding wheels.Never walk away and leave

the tool running.

3. Keep work area clean. Cluttered areas invite injuries.

4. Keep children away. Children must never be allowed in the work area. Do

not let them handle machines, tools, or extension cords.

SKU 43533 Page 3

5. Store idle equipment. When not in use, tools must be stored in a dry

location to inhibit rust. Always lock up tools and keep out of reach of children.

6. Dress properly. Do not wear loose clothing or jewelry as they can be caught

in moving parts. Protective, electrically nonconductive clothes and nonskid

footwear are recommended when working. Wear restrictive hair covering to

contain long hair. Wear an ANSI approved dust mask or respirator.

7. Use eye protection. AlwayswearANSI approvedimpactsafety goggles.

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

over or across electrical cables or frames.

9. Maintain tools with care. Inspect grinding wheels for cracks, and tool cords

periodically and, if damaged, have them repaired by an authorized technician.

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

attachment to do the work of a larger industrial tool.There are certain

applications for which this tool was designed.Do not modify this tool and do

not use this tool for a purpose for which it was not intended.

11. Stay alert. Watch what you are doing, use common sense.Do not operate

any tool when you are tired.

12. Check for damaged parts. Before using any tool, any part that appears

damaged should be carefully checked to determine that it will operate

properly and perform its intended function.Check for alignment and binding

of moving parts; any broken parts or mounting fixtures; and any other

condition that may affect proper operation.Any part that is damaged should

be properly repaired or replaced by a qualified technician.Do not use the tool

if any switch does not turn On and Off properly.

13. Replacement parts and accessories. When servicing, use only identical

replacement parts.Use of any other parts will void the warranty. Only use

accessories intended for use with this tool.Approved accessories are

available from Harbor FreightTools.

14. Do not operate tool if under the influence of alcohol or drugs. Read

warning labels on prescriptions to determine if your judgment or reflexes are

impaired while taking drugs.If there is any doubt, do not operate the tool.

15. Use proper size and type extension cord.If an extension cord is required,

it must be of the proper size and type to supply the correct current to the tool

without heating up.Otherwise, the extension cord could melt and catch fire, or

cause electrical damage to the tool.This tool requires use of an extension

cord of 0 to 10 amps capability (up to 50 feet), with wire size rated at 18

AWG.Longer extension cords require larger size wire.If you are using the

tool outdoors, use an extension cord rated for outdoor use.(signified by “WA”

on the jacket).

SKU 43533 Page 4

16. Take caution as some woods contain preservatives such as copper

chromium arsenate (CCA) which can be toxic.Whencutting these materials

extra care should be taken to avoid inhalation and minimize skin contact.

17. Maintenance. For your safety, service and maintenance should be performed

regularlyby a qualifiedtechnician.

Additional Specific Safety Instructions for Bench Grinders

1. When grinding any metals, the grinder can produce sparks which may land on

your clothing, or hit your face. You should use a full face mask and

appropriateprotective clothing. Also ensurethat you are not operating the

grinder around flammable materials or liquids. Always make sure the safety

shields and wheel guards are in place at all times.

2. Makesure the grindingwheels are ofthe proper speed(RPM) rating forthe

grinder.

3. Frequently quench theworkpiece in watertoprevent overheating;becareful

not to get water on the bench grinder.

4. Use the tool rest to steady the work piece. If the tool rest is not used, the

torqueof the spinning grinding wheelmay pull theworkpiece from your hands.

5. Donotuse aluminum oxide wheelswhen grinding nonferrousmetals such as

aluminum and brass. Use silicon carbide wheels for nonferrous metals.

6. When buffing material, always hold the material on the lower side of the

buffing wheel. Always keep fingers clear of the grinding wheel and the tool

rest.

Note:Performanceof this tool mayvary depending on variations inlocalline voltage.

Extension cord usage may also affect tool performance.

Warning:The warnings,cautions,and instructions discussed in this instruction

manual cannot cover all possible conditions and situations that may occur. It

mustbe understood bythe operator thatcommonsense andcautionare factors

which cannot be built into this product,but must be supplied by the operator.

Unpacking

When unpacking, check to make sure the following parts are included.

1)3-inchBenchGrinder, 2) 31-inch Flex Shaft, 3)Wrench

4) 3-inchGrinder Stone, 5) 3-inch FiberWheel, 6) 1/8 inch Mounting Stone Bit

If any parts are missing or broken, please call Harbor FreightTools at the number

on the cover of this manual.

SKU 43533 Page 5

Operation

Turning the Bench Grinder ON and OFF

1. Insert the Plug (36) into an electrical

outlet.

2. Turnthespeed control Knob (31)

clockwise to turn the motor ON and

adjust its speed.

3. To turn OFF, turn the Knob

counterclockwise until it clicks.

4. Neverleave thebench grinder runningunattended. Always turn off the tool

when not in use.

Using the Grinder

WARNING: The grinding wheel can fly apart and cause injury.

Grinding wheels must always be checked for cracks or imperfections. This is

done with the “ring test”. Tap the wheel gently near the outer rim with the

handle of a screwdriver. You should hear a clear bell-like ring. If a dull thud

occurs, do not use the wheel. The wheel may be damaged and could come

apart during operation.

1. Always bring the workpiece into the wheel gently, without jarring.

2. Theworkpiece will quickly becomeheated,therefore frequent quenching in

waterisrequired.

3. When grinding high speed steels such as drill and tool bits, avoid high

temperature buildup as this can affect the temper of the steel.

4. For small workpieces such as drill bits or chisels, avoid applying pressure to

the wheel at a high angle that could cause

theworkpiecetobecomelodgedbetween

the tool rest and the wheel.

Grinding with the Flex Shaft

1. Secure the Flexible Shaft (32) to theWheel

Cover(14).

Align and insert the shaft. It can only go in

one way.

2. TightentheFlexible Shaft Connector Nut

(37)over theWheel Cover.

Speed Control and

On/Off Knob (31)

Flexible Shaft (32)

Wheel Cover (14)

(37)

SKU 43533 Page 6

3. Slip off the Chuck Cover (49).

4. LoosentheFixing Nut (47) withtheWrench(50).

5. Insert the Mounted Stone Bit (48) into the Chuck (46) and tighten Fixing Nut.

6. Slip the Chuck Cover (49) over the Chuck assembly.

7. Grasp the Flexible Shaft handle with one hand, and turn the Grinder ON with

the other hand.

CAUTION: Always wear ANSI approved safety glasses when grinding.

8. When finished, turn the Grinder OFF and wait for it to stop before setting

down the Flexible Shaft.

Maintenance

Dressing the GrindingWheel

Note: New wheels frequently are not true and during operation will often become

grooved, glazed (build up), out of round, or misshapen. You will need a grinding

wheel dresser for this operation. Dressers are available from Harbor FreightTools.

1. Stand to the side of the wheel for this operation.

2. If the wheel is new let it run for a minute with no load. If the wheel runs

straight and true, you will not need to dress it prior to operation. If it does not,

proceed with the following instructions.

3. If you are using a “pistol grip” dresser, grip the handle firmly with one hand

and the arm of the dresser with the other. Allow the wheel to reach full

speed. Use the tool rest to support your hand and the dresser, and evenly

apply the dresser to all surfaces of the wheel. The wheel can be dressed in a

few minutes.

4. If you are using an“inline”dresser, hold the handle firmly, put the dresser on

the tool rest so that its wheels can move freely (i.e., the exposed part of the

wheel should be facing up). Let the wheel reach full speed and apply the

dresser evenly to all surfaces.

Mounted Stone Bit (48)

Chuck Cover (49)

Chuck (46)

Fixing Nut (47) Wrench (50)

Flexible Shaft (32)

SKU 43533 Page 7

Parts List

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PLEASE READ THE FOLLOWING CAREFULLY

THE MANUFACTURER AND/OR DISTRIBUTOR HAS PROVIDED THE PARTS DIAGRAM

IN THIS MANUAL AS A REFERENCETOOL ONLY. NEITHERTHE MANUFACTURER NOR

DISTRIBUTOR MAKES ANY REPRESENTATION OR WARRANTY OF ANY KIND TO THE

BUYER THAT HE OR SHE IS QUALIFIEDTO MAKE ANY REPAIRS TO THE PRODUCT OR

THAT HE OR SHE IS QUALIFIED TO REPLACE ANY PARTS OFTHE PRODUCT. IN FACT,

THE MANUFACTURER AND/OR DISTRIBUTOR EXPRESSLY STATES THat ALL REPAIRS

ANDPARTSREPLACEMENTSSHOULDBE UNDERTAKENBYCERTIFIEDAND LICENSED

TECHNICIANS AND NOT BYTHE BUYER.THE BUYER ASSUMES ALL RISK AND LIABIL-

ITY ARISING OUT OF HIS OR HER REPAIRSTOTHE ORIGINAL PRODUCT OR REPLACE-

MENTPARTSTHERETO,ORARISING OUTOF HISOR HERINSTALLATION OFREPLACE-

MENT PARTS THERETO.

SKU 43533 Page 8

Assembly Drawing

NOTE: Some parts are listed and shown for illustration purposes

only and are not available individually as replacement parts.

Indice

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