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Sealey VS402 Instructions

Vacuum tester and brake bleeding kit
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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.
1.
SAFETY INSTRUCTIONS
! Keep this product in good working order and condition, take immediate action to repair or replace damaged parts.
! Use approved parts only. Unapproved parts will invalidate the warranty.
! Keep children and unauthorised persons away from the work area.
! Keep work area clean and tidy and free from unrelated materials.
! Ensure the work area has adequate lighting.
" DO NOT use the kit to perform a task for which it is not designed.
" DO NOT hold pump inlet against the skin whilst using the pump.
" DO NOT allow untrained persons to use the kit.
" DO NOT use whilst under the influence of drugs, alcohol or intoxicating medication.
! After use, clean equipment and store in a cool, dry, childproof area.
# WARNING! Brake fluid will damage paintwork. Any spillage should be flushed with water immediately.
# WARNING! Brake fluid is flammable - keep away from sources of ignition, including hot surfaces e.g. exhaust manifold.
! Dispose of waste liquids in accordance with local authority regulations.
# WARNING! DO NOT pollute the environment by allowing uncontrolled discharge of fluids.
! Always read and comply with the warnings on the brake fluid container.
! Wear eye protection and keep skin contact to a minimum. If brake fluid enters eyes rinse with plenty of water and seek medical advice. If swallowed seek
medical advice immediately.
2.
SPECIFICATION & CONTENTS
The VS402 vacuum tester and brake bleeding kit is a multi-function diagnostic tool used to test a variety of essential engine and associated functions including
fuel, ignition, transmission and emissions.
Set also includes reservoir, hoses and adaptors for bleeding brake and clutch systems on cars, commercials and motorcycles. Brass-bodied vacuum pump
features large, easy-to-read vacuum gauge calibrated in both inches and millimetres of mercury.
1. Vacuum pump with gauge
2A. Reservoir lid (for operation)
2B. Reservoir lid (for transport)
3. Reservoir jar
4. 23" Vacuum Hose
INSTRUCTIONS FOR:
VACUUM TESTER
AND BRAKE BLEEDING KIT
MODEL
5. 3" Vacuum Hose
6. Hose Adaptor
7. Hose Connector 'T'
8. Straight Hose Connector
9. Brake Bleeder Screw Adaptor
VS402
:
10. Universal Cup Adaptor
VS402 - 1 - 200306

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Summary of Contents for Sealey VS402

  • Page 1 VS402 MODEL 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.
  • Page 2 Set out on the following pages are applications that the VS402 vacuum tester kit can be used for, but it must always be remembered that these are examples only and reference to manufacturer’s service manuals should always be made for correct testing procedures and specifications.

  • Page 3: Fuel Systems

    Testing Mechanical Fuel Pumps The VS402 vacuum tester can be used to evaluate the condition of a mechanical fuel pump by testing the vacuum that it is able to create. Locate and remove the suction line from the pump. Connect the VS402 vacuum tester to the suction port of the pump, start and run the engine at idle. The vacuum reading that should be observed will vary slightly on different makes and models but as a general rule approximately 15 inHg of vacuum should be created.
  • Page 4 VS402 vacuum tester (fig.11) and operate to apply vacuum to the bellows. Wait for 30 seconds, no drop on the gauge should be noted. If the bellows are found to be in order attach the vacuum supply line to the VS402 vacuum tester and operate system to test for vacuum supply. If the vacuum supply does not exist or is low trace back down the lines to the vacuum supply looking for kinks, restrictions or cracked lines.

  • Page 5: Braking Systems

    Automatic transmissions are normally equipped with a vacuum operated modulator valve in order for the automatic transmission to detect engine loads and adjust shift points to suit. The VS402 vacuum tester can be used to test both that the modulation valve diaphragm is serviceable and also to simulate varying engine loads so modulator pressure readings can be recorded.