Clarke CHT747 Instruction Manual

OPERATION & MAINTENANCE

INSTRUCTIONS

LS0813

PROFESSIONAL COIL SPRING COMPRESSOR

MODEL NO: CHT747

PART NO: 1801747

CHT747.fm Page 1 Thursday, August 8, 2013 3:57 PM

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

INTRODUCTION

Thank you for purchasing this CLARKE Professional Coil Spring Compressor.

which is suitable for straight or conical springs including Macpherson strut

assemblies (cars and small commercial vans only).

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

follow the instructions carefully. In doing so 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.

WHATS SUPPLIED

Contact your Clarke dealer if any items are missing or damaged.

TECHNICAL SPECIFICATION

• Compressor Column (with hand

grip attached)

• 3 pairs of Yokes (Gold, Black and

Silver)

• Bolts (4 x Large and 2 x Small) • Small Extension blocks

Maximum Spring Load 1000 kg

Size/Suitability Gold Ø 80-105 mm,

Black Ø 105-140 mm,

Silver Ø 145-190 mm

Jaw Opening 265 mm

Drive 21 mm Hex

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

SAFETY INSTRUCTIONS

•DO NOT operate the spring compressor if parts are damaged or

missing as this can cause failure or injury.

•DO NOT force the spring compressor to achieve a task it was not

designed to perform.

•DO NOT use Air tools to adjust the spring compressor.

•DO NOT allow untrained persons to use the spring compressor.

• Familiarise yourself with the applications, limitations and potential

hazards of the spring compressor.

• Maintain the spring compressor in good condition. Replace or repair

damaged parts. Use genuine parts only. Unauthorised parts may be

dangerous and will invalidate the warranty.

• Keep the work area clean, uncluttered and ensure there is adequate

lighting.

• Keep hands and body clear of the spring when operating the spring

compressor.

• Maintain correct balance and footing. Ensure the floor is not slippery

and wear non-slip shoes.

• Remove ill fitting clothes. Remove ties, watches, rings, other loose

jewellery. Contain and/or tie back long hair.

• Wear appropriate protective clothing.

• When not in use, clean and store the spring compressor in a safe, dry,

childproof location.

WARNING: ENSURE HEALTH & SAFETY, LOCAL AUTHORITY, AND

GENERAL WORKSHOP PRACTICE REGULATIONS ARE

ADHERED TO WHEN USING THIS EQUIPMENT.

WARNING: WEAR APPROVED SAFETY EYE PROTECTION (STANDARD

SPECTACLES ARE NOT ADEQUATE).

WARNING: DO NOT COMPRESS THE SPRING TO AN EXTENT WHERE THE

COIL WINDINGS OR JAWS TOUCH.

WARNING: MEASURE THE OUTSIDE DIAMETER OF THE SPRING TO BE

COMPRESSED AND SELECT THE CORRECT SET OF JAWS TO

FIT THE SPRING.

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

INSTRUCTIONS FOR USE

1. The basic setup is as shown on the

right.

• Each yoke has safety lips to

prevent slippage and is angled

to fit the pitch of the spring to

achieve maximum surface

contact between the yokes

and the spring,

2. The yokes are adjusted by rotating

the Hex nut (C).

• Do not use air tools to tighten or

loosen the Hex nut (C)

3. Ensure the yokes and the column

of the compressor are correctly

aligned at all times during

compression.

• Do not allow the spring to

touch the column of the

compressor, use extension

blocks if required see next

section.

WARNING: DO NOT COMPRESS THE SPRING TO AN EXTENT WHERE THE

COIL WINDINGS (A) OR JAWS TOUCH (B).

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

CONICAL/WIDE BODIED SPRINGS

4. For conical springs, the centre axis

of the spring should always stay

parallel to the compressor

column.

• You may need to use different

sized yokes for the top and

bottom of the spring.

5. If necessary, use the extension

block(s) as shown to keep the

spring and compressor body

parallel.

The extension blocks can be fitted in various ways.

•

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

TO COMPRESS A SPRING REMOVED FROM A VEHICLE.

1. Measure the outside diameter of the spring to be compressed and select

the correct set of jaws to fit the spring.

2. Mount the selected jaws on the compressor body, using the retaining bolts

and tighten securely.

3. Rotate the hexagonal nut, to drive the jaws apart to the length of the

spring and to allow compression of as many windings as possible.

4. Place the spring compressor onto the spring, ensuring the spring seats

correctly between the safety lips and the outer ribs and cannot slide out

during compression.

5. Ensure the jaws and body are correctly aligned.

6. Rotate the hexagonal nut and compress the spring.

7. Secure the spring with a spring clamp or other suitable device.

TO DECOMPRESS A SPRING REMOVED FROM A VEHICLE.

1. To decompress the spring, reverse the compress procedure.

• Make sure you release the tension slowly to reduce the risk of the

spring slipping/flying out.

MAINTAINING THE SPRING COMPRESSOR

• Before each use check the compressor to ensure it is not damaged

or worn.

• If suspect, do not use the unit, but contact your local Clarke Dealer

who will be able to advise you regarding repair and spare parts.

• Grease the compressor spindle as necessary to inhibit corrosion.

• Keep the compressor clean, and when not in use, store in a safe,

dry, location.

WARNING: DO NOT COMPRESS THE SPRING TO AN EXTENT WHERE THE

COIL WINDINGS OR JAWS TOUCH.

WARNING: DO NOT USED AIR TOOLS.

CHT747.fm Page 6 Thursday, August 8, 2013 3:57 PM

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

ALSO AVAILABLE FROM YOUR CLARKE DEALER

CHT695 OIL FILTER CAP WRENCH SET CHT701 12 PIECE OIL DRAIN PLUG

KEY SET

• Can withstand up to 85lb ft torque

• Oxide finish for rust protection

• Can be used with 3/8” & 1/2”

square drive wrenches

• Kit includes 14 wrenches, adaptor

and tough carry case

• 3/8" square drive carbon steel

tommy bar

• 7 Hex key drives 3/8", 8, 9, 10, 12, 14

& 17mm

• 4 Square key drives 3/8", 8, 11 &

13mm

CHT698 46 PIECE HARMONIC

BALANCE PULLER

CHT658 BRAKE CALIPER WIND BACK

TOOL SET

• Removes flywheels and

pulleys 36 to 95mm diameter

• Solid yoke designed for 2 or 3

point fixing

• 5" pressure screw

• Left & right hand

threaded bolt

assemblies

•Rewindtoolsand

reaction plate

• 15 adaptor plates to

suit a range of

vehicles

QR CODE

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