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VS0061 - 1 - 210705.

1. SAFETY INSTRUCTIONS

2. INTRODUCTION 

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WARNING! Ensure all Health & Safety, local authority, and general 

workshop practice regulations are strictly adhered to when using product.

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WARNING! Ensure the radiator is cool before opening the cap. 

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Maintain tester in good and clean condition for best and safest performance. 

DO NOT use tester if damaged.

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Wear suitable clothing to avoid snagging when working under the bonnet with 

the engine running. 

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Do not wear jewellery and tie back long hair.

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Use proper ventilation and avoid breathing in exhaust fumes.

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Keep a fire extinguisher to hand.

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Account for all tools and parts being used and do not leave them in or near 

the engine.

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Keep tester parts clean and dry and store each component part in its 

appropriate location in the carry case.

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Thick  gloves must be worn when working with this tester to protect the 

operator from discharges of steam from radiator or header tank.

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Arms and wrists should also be covered.

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Wear eye protection when using this product.

IMPORTANT: Always refer to the vehicle manufacturer’s service instructions, 

or proprietary manual, to establish the current procedure for draining off 

coolant. 

The VS0061 combustion leakage test kit is designed to diagnose blown gaskets

and cracked cylinder heads quickly and easily by checking for the presence of  CO

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in the cooling system. If combustion gasses are present  the colour of the test fluid

changes from blue to yellow. The tester comes with a cone adaptor or may be

used in conjunction with radiator caps from the VS006 set. For a refill of test fluid

order Part No.VS0061F.3

INSTRUCTIONS FOR:

COMBUSTION LEAKAGE TESTER

MODEL:

VS0061

Thank you for purchasing a Sealey product. Manufactured to a high standard this product will, if used according to these instructions and

properly maintained, give you years of trouble free performance.

IMPORTANT

PLEASE READ THESE INSTRUCTIONS CAREFULLY. NOTE THE SAFE OPERATIONAL REQUIREMENTS, WARNINGS, AND

CAUTIONS. USE THIS PRODUCT CORRECTLY, AND WITH CARE FOR THE PURPOSE FOR WHICH IT IS INTENDED. FAILURE TO DO SO

MAY CAUSE DAMAGE AND/OR PERSONAL INJURY AND WILL INVALIDATE THE WARRANTY.

3. OPERATING INSTRUCTIONS

3.1 PREPARATION

3.1.1 Remove approximately 1/10 of the volume of coolant from the radiator. 

Consult an appropriate vehicle repair manual on the best method of doing 

this.

3.1.2 The various components of the tester are a push fit with the exception of the

brass Rad Cap Adaptor which has a ring at the top which allows it to be 

tightened onto the tube which protrudes from the lower chamber. The two 

chambers are a close fit and may require a twisting action to assemble them

or get them apart.

3.1.3. The tester component parts, as shown in fig.1, can be configured in two 

main ways. See over page.

fig.1b

fig.1a

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