Clarke CAT24B Instruction Manual

OPERATION & MAINTENANCE

INSTRUCTIONS GC11/12

HD DUAL-ACTION SANDER

Model Nos: CAT24B & CAT93

Part No: 3110403 & 3110849

Parts & Service: 020 8988 7400/E-mail:Part[email protected] or [email protected]

INTRODUCTION

Thank you for purchasing this CLARKE air tool.

Before attempting to use the product, it is essential that you read this manual

thoroughly and carefully follow all instructions given. In doing so you will

ensure the safety of yourself and that of others around you, and you can also

look forward to the product giving you long and satisfactory service.

GUARANTEE

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

12 months from the date of purchase. Please keep your receipt 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 its intended purpose.

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 PROTECTION

Do not dispose of this product with general household waste. All tools,

accessories and packaging should be sorted, taken to a re-cycling

centre and disposed of appropriately.

Parts & Service: 020 8988 7400/E-mail: Part[email protected] or [email protected]

TABLE OF CONTENTS

INTRODUCTION ......................................................................... 2

GUARANTEE ............................................................................... 2

ENVIRONMENTAL PROTECTION ................................................ 2

TABLE OF CONTENTS .................................................................. 3

SAFETY PRECAUTIONS ................................................................ 4

OVERVIEW .................................................................................. 6

AIR SUPPLY REQUIREMENTS........................... ............................ 7

ASSEMBLY ................................................................................... 8

OPERATION.............................................................................. ....9

TROUBLESHOOTING....................................................................10

MAINTENANCE .......................................................................... 11

PARTS LIST & DIAGRAM...............................................................12

SPECIFICATIONS .................................................................... ... 14

DECLARATION OF CONFORMITY ....................................... ..... 15

Parts & Service: 020 8988 7400/E-mail:Part[email protected] or [email protected]

SAFETY PRECAUTIONS

CAUTION: FAILURE TO FOLLOW THESE PRECAUTIONS COULD RESULT IN

PERSONAL INJURY, AND /OR DAMAGE TO PROPERTY

WORK ENVIRONMENT

• Keep the work area clean and tidy.

• Dress appropriately - Do not wear loose clothing or jewellery. Tie long hair

out of the way.

• Keep children and visitors away - Do not let children handle the tool.

Make sure that any other persons in the work area are dressed suitably

and are wearing eye and ear protectors.

• Keep the air supply hose away from heat, oil and sharp edges.

• Do not fit the tool to any stand or clamping device that may damage the

tool.

GENERAL USE

• Stay alert and use common sense - do not use the tool when you are tired

or under the influence of alcohol, drugs or medication.

• Always wear eye protection when using the tool - eye protection must

provide protection from the front and the side.

• Always wear ear protectors when using the tool.

• Do not over-reach - keep proper footing and balance at all times.

• Never use any type of bottled gas as a source of power for the tool.

• Do not connect the air supply hose with your finger on the trigger of the

tool.

• Do not exceed the maximum pressure for the tool: 90 psi / 6.2 bar.

• Check hoses for leaks or worn condition before use and ensure that all

connections are secure.

• Do not use the tool for any other purpose than that described in this

booklet.

• Do not carry out any alterations or modifications to the tool.

• Always disconnect from the air supply when:

a) Performing any maintenance.

b) The tool is not in use.

Parts & Service: 020 8988 7400/E-mail: Part[email protected] or [email protected]

c) The tool will be left unattended.

d) Moving to another work area.

• Never use the tool if it is defective or operating abnormally.

• The tool should be serviced as required by your CLARKE dealer.

• Avoid damaging the tool for example by applying excessive force.

• ALWAYS maintain the tool with care. Keep it clean for best and safest

performance.

• ALWAYS ensure the workpiece is firmly secured leaving both hands free to

control the tool.

• ALWAYS ensure the tool has stopped before putting it down after use.

• ALWAYS ensure that any attachments are correctly fastened before

connecting the tool to the power supply.

• Quick change air-line couplings should not be located at the tool. They

add weight and could fail due to vibration.

• DO NOT force or misuse the tool. It will do a better and safer job operating

at the rate for which it was designed.

• Do not remove any labels. Damaged labels should be replaced.

• This tool vibrates during use. Vibration may be harmful to your hands or

arms. Stop using the tool if discomfort, a tingling feeling or pain occurs and

seek medical advice before resuming use.

TRANSPORTATION

• Never carry the tool by the air supply hose.

• Never carry the tool with your finger on the trigger.

STORAGE

• When not in use the tool must be disconnected from the air supply and

stored in a dry place out of the reach of children (preferably in a locked

cabinet).

• Avoid storage in environments where the temperature is below 0oC.

Parts & Service: 020 8988 7400/E-mail:Part[email protected] or [email protected]

OVERVIEW

The CAT24B and CAT 93 Sanders are ideal for use in garages and workshops.

Random orbit sanders give a virtually scratch - free finish on various surfaces

prior to painting or varnishing the finished surface.

The only difference between the two sanders is that the external parts on the

CAT93 are highly polished and include rubber grips. Should you require any

component parts, refer to pages 12 and 13 in the manual and contact your

Clarke dealer.

When unpacking the tool, any damage or deficiency should be reported to

your CLARKE dealer immediately. The carton contains:

• Heavy Duty Dual Action Sander

• 6” Sanding Pad

• Operators Manual (this document)

Your dual -acting sander has been designed to give long and trouble free

service. If, however, having followed the instructions in this booklet carefully,

you encounter problems, take the unit to your local CLARKE dealer.

THROTTLE

AIR INLET

REGULATOR VALVE

LOCKING NUT

Parts & Service: 020 8988 7400/E-mail: Part[email protected] or [email protected]

AIR SUPPLY REQUIREMENTS

WARNING: COMPRESSED AIR CAN BE DANGEROUS. ENSURE THAT YOU

ARE THOROUGHLY FAMILIAR WITH ALL PRECAUTIONS RELATING TO THE

USE OF COMPRESSORS AND COMPRESSED AIR SUPPLY.

• Use only clean, dry, regulated compressed air as a power source.

• Air compressors used with the tool must comply with the appropriate

European Community safety directives.

• A build up of moisture in the air compressor will accelerate wear and

corrosion in the moving parts. Ensure any moisture is drained from the

compressor daily and the inlet filter is kept clean.

• If an unusually long air hose is required, (over 8 metres), line pressure may

need to be increased.

• Never exceed the maximum operating pressure for the tool.

• The air hose must be rated at least 150% of the maximum operating

pressure of the tool.

• A pressure of 90psi with a flow of 6 cfm is required. Too high an air pressure

will shorten the life of the tool due to excessive wear.

A typical airline layout is shown. If an automatic in-line filter/regulator/

lubricator unit is used it will keep the tool in good condition, but should be

regularly checked and topped up with oil.

Parts & Service: 020 8988 7400/E-mail:Part[email protected] or [email protected]

ASSEMBLY

INSTALLING THE DISC

1. To assemble the pad to the tool,

turn the locking nut (A) until the

knurled portion contacts the flat

surface on the output spindle (B).

2. Thread the pad into the spindle

by gripping the orbital hub (C)

with one hand and the pad with

the other. Tighten fully.

3. Turn the locking nut (A) until the

spindle (B) turns freely. Do not

operate the tool with the spindle

in the locked mode as performance would be severely affected and a

hazardous situation could result.

FITTING THE SANDING SHEET

1. Peel off the back of the self adhesive sanding sheet and stick it to the

backing pad.

IMPORTANT: Only use abrasive sanding pads designed for use with this type of

150mm dia sanding pad.

CONNECTING THE AIR SUPPLY

WARNING: COMPRESSED AIR CAN BE DANGEROUS. ENSURE THAT YOU

ARE FAMILIAR WITH ALL PRECAUTIONS RELATING TO THE USE OF

COMPRESSORS AND COMPRESSED AIR SUPPLIES.

Note: Ensure the compressor is

turned off.

1. Remove the plastic blanking plug

from the connection port of the

tool.

2. Pour 2-3 drops of CLARKE airline

oil into the air inlet. This should be

done regardless of whether or not

a lubricated air supply is to be

used.

3. Connect a suitable hose to the tool as shown.

Parts & Service: 020 8988 7400/E-mail: Part[email protected] or [email protected]

4. Connect the other end of the hose to the compressor. (A whip hose with a

quick fit coupling is available from your CLARKE dealer).

5. Turn on the air supply and check for air leaks. Rectify any found before

proceeding. The tool is now ready for use

OPERATION

ADJUSTING THE SPEED

1. Adjust the operating speed if

required, by twisting the speed

control shown.

• Clockwise will increase the

sanding speed.

• Anticlockwise will decrease the

sanding speed.

2. Squeeze the trigger against the

body of the tool to start and

evaluate its speed.

3. Rest the disc pad on the workpiece and start the sander. Let the tool do

the work.

• The actual weight of the machine is normally sufficient for efficient

sanding. Do not put additional pressure on the machine, which would only

slow down the speed of the pad, reducing efficiency and placing an

additional burden on the motor.

4. Pass the sander back and forth in wide, overlapping areas, taking care to

keep the sander moving around at all times. Avoid dwelling in one place

for more than a moment.

5. Release the trigger to stop the tool.

6. Always ensure the tool has stopped before putting it down.

DISCONNECTING THE AIR SUPPLY

1. Do not disconnect the air supply hose until the compressor has been shut

down and the compressed air pressure released.

2. Once the pressure has been released, disconnect the air supply hose from

the tool.

STORAGE

1. Store the tool safely in its box in a dry, secure environment.

2. When storing, ensure the blanking plug is replaced on the airline

connector once the airline has been disconnected.

Parts & Service: 020 8988 7400/E-mail:Part[email protected] or [email protected]

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3. If the tool is not to be used for longer than 24 hours, run a few drops of

CLARKE airline oil into the air inlet and run the tool for a few seconds to

ensure that the oil has been well distributed throughout the tool.

TROUBLESHOOTING

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