Clarke METALWORKER CHDBG900 Manuale di istruzioni

OPERATION & MAINTENANCE

INSTRUCTIONS

ORIGINAL INSTRUCTIONS GC0320 - ISS 1

8”(200mm) BENCH GRINDER

MODEL NO: CHDBG900

PART NO: 6500540

Parts & Service: 020 8988 7400 / E-mail: Parts@clarkeinternational.com or Service@clarkeinternational.com

INTRODUCTION

Thank you for purchasing this CLARKE 8”(200mm) Bench Grinder.

Before attempting to use this product, please read this manual thoroughly and

follow the instructions carefully. In doing so you will ensure the safety of yourself

and that of others around you, and you can look forward to your purchase

giving you long and satisfactory service.

GUARANTEE

This product is guaranteed against faulty manufacture for a period of 12

months from the date of purchase. Please keep your receipt which will be

required as proof of purchase.

This guarantee is invalid if the product is found to have been abused or

tampered with in any way, or not used for the purpose for which it was

intended.

Faulty goods should be returned to their place of purchase, no product can

be returned to us without prior permission.

This guarantee does not effect your statutory rights.

ENVIRONMENTAL RECYCLING POLICY

By purchasing this product, the customer is taking on the obligation

to deal with its safe disposal in accordance with the Waste Electrical

and Waste Electronic Equipment regulations (WEEE).

In effect, this means that this product must not be disposed of with

general household waste. It must be disposed of according to the laws

governing Waste Electrical and Electronic Equipment (WEEE) at a recognised

disposal facility.

If disposing of this product or any damaged components, do not dispose of

with general waste. This product contains valuable raw materials. Metal

products should be taken to your local civic amenity site for recycling of metal

products.

Parts & Service: 020 8988 7400 / E-mail: Parts@clarkeinternational.com or Service@clarkeinternational.com

SPECIFICATIONS

POWER TOOL SAFETY WARNINGS

1) WORK AREA

1. Keep the work area clean and well lit. Cluttered and dark areas invite

accidents.

2. Do not operate power tools in explosive atmospheres, such as in the

presence of flammable liquids, gases or dust. Power tools create sparks

which may ignite the dust or fumes.

3. Keep children and bystanders away while operating a power tool.

Distractions can cause you to lose control.

Model number CHDBG900

Part number 6500540

Dimensions (D x W x H) 498 x 250 x 300 mm

Weight 26.3 kg

Rated voltage 230V~ 50 Hz

Rated input wattage 900W

No load speed 2850 RPM (+/- 5%)

IP rating IP40

Wheel shaft diameter 16 mm

Abrasive wheels supplied Coarse (36 Grit), Fine (60 Grit)

Wheel dimensions Diameter (200 mm)

Thickness (32 mm)

Bore (32 mm)

Duty Cycle classification S2/30 minutes

Sound power (measured) 97 dB LpA

Sound power (guaranteed) 98 dB LwA

Uncertainty factor K 1.67 dB

Parts & Service: 020 8988 7400 / E-mail: Parts@clarkeinternational.com or Service@clarkeinternational.com

2) ELECTRICAL SAFETY

1. Power tool plugs must match the outlet. Never modify the plug in any way.

Do not use adapter plugs with earthed (grounded) power tools. Unmodified

plugs and matching outlets will reduce the risk of electric shock.

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

power tool will increase the risk of electric shock.

3. Do not abuse the power cable. Never use it for carrying, pulling or

unplugging the power tool. Keep the power cable away from heat, oil,

sharp edges or moving parts. Damaged or entangled cables increase the

risk of electric shock.

4. When operating a power tool outdoors, use an extension cable suitable for

outdoor use. Use of a cable suitable for outdoor use reduces the risk of

electric shock.

5. If operating the power tool in a damp location is unavoidable, use a

residual current device (RCD) protected supply.

3) PERSONAL SAFETY

1. Stay alert, watch what you are doing and use common sense when

operating a power tool. Do not use a power tool while you are tired or

under the influence of drugs, alcohol or medication. A moment of

inattention while operating power tools may result in personal injury.

2. Use safety equipment. 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.

3. Avoid accidental starting. Ensure the switch is in the off position before

plugging in. Carrying power tools with your finger on the switch or plugging

in power tools that have the switch on invites accidents.

4. Remove any wrench before turning the power tool on. A wrench left

attached to a rotating part may result in personal injury.

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

enables better control of the power tool in unexpected situations.

6. Dress properly. Do not wear loose clothing or jewellery. Keep your hair,

clothing and gloves away from moving parts. Loose clothes, jewellery or

long hair can be caught in moving parts.

4) POWER TOOL USE AND CARE

1. Do not force the power tool. Use the correct accessories for your

application. The correct power tool will do the job better and safer at the

rate which it was designed.

2. Do not use the power tool if the switch does not turn it on and off. Any

power tool that cannot be controlled with the switch is dangerous and

must be repaired.

Parts & Service: 020 8988 7400 / E-mail: Parts@clarkeinternational.com or Service@clarkeinternational.com

3. Disconnect the plug from the power source before changing accessories,

or storing power tools. Such preventive safety measures reduce the risk of

starting the power tool accidentally.

4. Store idle tools out of the reach of children and do not allow persons

unfamiliar with the power tool or these instructions to operate it. Power tools

are dangerous in the hands of untrained users.

5. Maintain power tools. Check for 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.

6. Use the power tool and accessories in accordance with these instructions

and in the manner intended, taking into account the working conditions

and the work to be performed. Use of the power tool for operations

different from intended could result in a hazardous situation.

7. The performance of this tool may vary, depending upon variations in line

voltage. Extension cable usage may also affect performance.

5) SERVICING

1. Have your power tool serviced by qualified service personnel using only

identical replacement parts. This will ensure that the safety of the power

tool is maintained.

BENCH GRINDER SAFETY WARNINGS

1. Hold the tool or blade being sharpened firmly to prevent loss of control.

2. NEVER install a abrasive flap wheel or sanding disc on this grinder.

3. ALWAYS replace a cracked grinding wheel immediately.

4. NEVER use damaged or incorrect grindstones. The stone and retaining bolt

were specially designed for your grinder, for optimum performance and

safety of operation. Inspect the condition of the grinding stone before use

and do not use if any damage is noticed.

5. DO NOT use aluminium oxide wheels when grinding non-ferrous metals

such as aluminium or brass. Use silicon carbide wheels (not included) for

grinding non-ferrous metals.

6. DO NOT grind any materials containing asbestos.

7. ALWAYS use the rests to steady the workpiece. If the rests are not used, the

torque of the spinning grinding/polishing wheel may pull the workpiece

from your hands.

8. NEVER leave the grinder unattended when it is connected to an electrical

power supply. Switch off the grinder and unplug it before leaving.

Parts & Service: 020 8988 7400 / E-mail: Parts@clarkeinternational.com or Service@clarkeinternational.com

9. ALWAYS check for damaged parts. Before further use of the tool, a guard

or other part that is damaged should be carefully checked to determine if

it would operate properly and perform its intended function. Check for

misalignment or binding of moving parts, breakage of parts and any other

condition that may affect the tool's operation. A part that is damaged

should be properly repaired or replaced at an authorised service centre.

Following this rule will reduce the risk of electric shock, fire or serious injury.

10. Gloves, manufactured to the current European safety standards should be

worn when operating grinding equipment.

11. Eye protection manufactured to the current European safety standards

should be worn when operating grinding equipment.

NOTE: Bench grinders used in industrial environments may be subject to the

requirements of The Provision and Use of Work Equipment regulations

1992 (particularly regarding the training requirement of The Abrasive

Wheels Regulations 1970) or other legislation. If in doubt seek advice.

Please keep these instructions in a safe place for future reference.

SAFETY SYMBOLS

Read instruction manual before use

This machine is not suitable for hand held use

Not permitted for wet grinding

Wear eye protection

Wear ear defenders

Wear protective gloves

Wear dust mask

Parts & Service: 020 8988 7400 / E-mail: Parts@clarkeinternational.com or Service@clarkeinternational.com

ELECTRICAL CONNECTIONS

Connect the mains lead to a standard, 230 Volt (50Hz) electrical supply

through an approved BS 1363 plug or a suitably fused isolator switch.

If the plug has to be changed because it is not suitable for your socket, or

because of damage, it must be removed and a replacement fitted, following

the wiring instructions shown below. The old plug must be discarded safely, as

insertion into a power socket could cause an electrical hazard.

If the colours of the wires in the power cable do not agree with the markings

on the plug.

• Connect the BLUE wire

to the terminal

marked N.

• Connect the BROWN

wire to the terminal

marked L.

•ConnecttheYELLOW

AND GREEN wire to

the terminal marked E

or .

AN APPROVED RESIDUAL CURRENT DEVICE (RCD) WHICH HAS A TRIPPING

CURRENT OF LESS THAN 30 mA MUST BE USED.

If you are not sure, consult a qualified electrician. DO NOT try to do any repairs

at home.

WARNING: READ THESE ELECTRICAL SAFETY INSTRUCTIONS

THOROUGHLY BEFORE CONNECTING THE PRODUCT TO THE MAINS

SUPPLY.

WARNING: THE WIRES IN THE POWER CABLE OF THIS PRODUCT ARE

COLOURED IN ACCORDANCE WITH THE FOLLOWING CODE:

BLUE = NEUTRAL BROWN = LIVE YELLOW AND GREEN = EARTH

Plug must be BS1363/A approved.

Always fit

Ensure that the outer sheath of

Neutral

(Blue)

Live

(Brown)

Earth

(Green and

a 5 Amp

the cable is firmly held by the clamp

fuse.

Yellow)

Parts & Service: 020 8988 7400 / E-mail: Parts@clarkeinternational.com or Service@clarkeinternational.com

CARTON CONTENTS

The following items should be supplied in the carton. if any parts are missing or

damaged, please contact the CLARKE dealer where you purchased the

bench grinder.

PARTS IDENTIFICATION

1 x Bench grinder assembly

2 x Eye shields and holders (1 with magnifying lens)

2 x Eye shield arms

2 x Eye shield brackets with bolts and washers

2 x Tool rests with retaining nuts

2 x Spark deflectors with screws and washers

1 x Abrasive grinding wheel 36 grit (fitted)

1 x Abrasive grinding wheel 60 grit (fitted)

Parts & Service: 020 8988 7400 / E-mail: Parts@clarkeinternational.com or Service@clarkeinternational.com

BEFORE USE

MOUNTING THE GRINDER ONTO A WORKBENCH

NOTE: We highly recommend that you bolt this bench grinder securely to a

workbench to gain maximum stability.

1. Using the base of the bench

grinder as a template, mark the

bench through the holes in the

casting.

2. Bolt the bench grinder on the

bench with bolts, washers and nuts

(not supplied).

3. To reduce vibration, mount the

bench grinder on a vibration

absorbing mat.

INSTALLING THE TOOL RESTS

1. Fix the tool rests to the bench

grinder with the retaining nut as

shown.

• The tool rests are adjustable

and should be positioned 1.5

mm from the grinding wheels.

• Ensure that the tool rest is firmly

fixed and horizontal.

INSTALLING THE SPARK DEFLECTORS

Fit both the spark deflectors to the

wheel guards using the bolts

provided.

• Adjust the spark deflector to

compensate for wear of the

wheel. Keep the distance

between the spark deflector

and wheel as small as possible

and never more than 2 mm.

Parts & Service: 020 8988 7400 / E-mail: Parts@clarkeinternational.com or Service@clarkeinternational.com

INSTALLING THE EYE SHIELDS

1. Attach each eye shield arm to the

bench grinder using the clamp,

flat washer and bolt supplied.

2. Repeat with the right eye shielld.

NOTE: Adjust the eye shields to an

appropriate distance from the

tool rests avoiding

interference during operation.

OPERATION

NOTE: Check that there is approx a 1.5 mm clearance between the tool rest

and the surface of the grinding wheel. Adjust as necessary.

NOTE: Check the gap between the spark deflectors and the surface of the

grinding wheel. These should also be a maximum of 2 mm. Adjust as

necessary.

NOTE: Check that the eyeshields have been secured in the correct position

and that the grinding wheel lock nuts are tight.

1. Stand to the side of the bench grinder and switch it on using the on/off

switch.

• Let the wheels reach full speed before use.

• The wheel rotates in the same direction as the arrow stamped in the

side of the wheel guard.

2. Hold the work piece firmly against the tool rest. Hold very small pieces with

pliers or other suitable clamps.

3. Press the workpiece smoothly and evenly against the grinding wheel.

4. Always keep the workpiece moving across the face of the wheel. Grinding

against the same part of the wheel will cause uneven wear of the wheel

face.

• Grind only on the face of the grinding wheel and never the side of it.

CAUTION: KEEP ALL BYSTANDERS A SAFE DISTANCE AND NOT IN DIRECT

LINE, FRONT OR BACK OF THE GRINDER.

CAUTION: ALWAYS WEAR SAFETY GLASSES.

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