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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 VS401 vacuum tester and brake bleeding kit is a multi-function diagnostic tool used to test and identify faults on a variety of essential engine and associated
functions including fuel, ignition, transmission and emissions.
Die-cast alloy body features large, easy-to-read vacuum gauge calibrated in both inches and millimetres of mercury.
Set includes collection container for vacuum clutch and brake bleeding, bleed nipple connectors for car, commercial and motorcycle applications. Suitable for
conducting general pressure and leakage tests on fuel and air conditioning lines and crank cases on 2-stroke auto and marine applications.
1.
Vacuum pump with gauge
2.
Reservoir lid
3.
Reservoir jar
4.
23" Vacuum Hose
5.
3" Vacuum Hose
INSTRUCTIONS FOR:
VACUUM TESTER
AND BRAKE BLEEDING KIT
MODEL
6.
Hose Adaptors
7.
Brake Bleed Nipple Adaptors
8.
Adaptor
9.
Hose Adaptor
10.
Universal Cup Adaptor
VS401
:
11.
Hose Adaptors
12.
Hose Adaptors
13.
Adaptor
VS401 - 1 - 061006
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Summary of Contents for Sealey AUTO SERVICE VS401
- Page 1 VS401 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 INTRODUCTION The use of a vacuum gauge is often overlooked when determining mechanical condition and carrying out fault diagnosis on internal combustion engines. Monitoring actual manifold vacuum is invaluable when troubleshooting engine faults. This can only be carried out by using a good quality vacuum gauge and this, coupled with a hand-operated vacuum pump, also allows static testing of all types of vacuum operated systems.
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Page 3: Fuel Systems
Ignition System Vacuum Advance On standard points systems and some electronic ignition systems there are two types of advance methods used, both of which must function correctly to obtain maximum performance and fuel economy. The first method Is Mechanical or Centrifugal, which operates by the use of weights located in the base of the distributor. The weights move outwards advancing ignition timing as engine RPM increases. - Page 4 Testing One-Way Valves Many vacuum operated circuits use in-line one-way valves to apply vacuum in one direction only. To test the function of the valve remove it from the circuit. Attach the VS401 vacuum tester (fig.7) and operate pump to apply vacuum. In one direction the valve should hold vacuum and in the opposite direction it should not. Testing Electrically Operated Vacuum Solenoids Electrically operated vacuum solenoids are commonly used in control circuits for air conditioning / ventilation systems, emission control systems, idle step up systems etc.
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Page 5: Braking Systems
Testing Automatic Transmission Vacuum Operated Modulator Valves 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 VS401 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.