
FUEL PRESSURE GAUGE SET
MODEL NO:
VS550
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 & CAUTIONS. USE
THE 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. KEEP THESE INSTRUCTIONS SAFE FOR FUTURE USE.
1. SAFETY
WARNING!
Ensure Health & Safety, local authority and general workshop practice regulations are adhered to when using this
equipment.
9
Read instructions thoroughly to ensure safe and effective use.
IMPORTANT!
Read instructions in conjunction with vehicle or equipment manufacturer’s workshop manual.
9
Maintain the apparatus in good condition (use an authorised service agent). Before each use check condition of each component. If any
component is damaged, replace immediately. Use genuine parts only. Unauthorised parts may not function correctly and will invalidate
the warranty.
9
Use in a suitable work area. Keep area free from unrelated materials and ensure that there is adequate lighting.
9
Account for all tools and parts being used and
DO NOT
leave them in or near the engine.
9
Keep tester parts clean and dry and store each component part in its appropriate location in the carry case.
IMPORTANT:
Always refer to the vehicle manufacturer’s service instructions, or proprietary manual, to establish the current procedure
and data. These instructions are provided as a guide only.
WARNING!
Ensure the gauge is reading zero (to indicate no pressure), before disconnecting.
WARNING!
Always wear approved eye (or face) and hand protection when pressure testing.
WARNING!
Ensure that any spilt fuel is cleaned up immediately.
9
Keep children and unauthorised persons away from the working area.
8
DO NOT
operate the pressure tester when you are tired or under the influence of alcohol, drugs or intoxicating medication.
8
DO NOT
clean the equipment with solvents or other harsh chemicals.
8
DO NOT
use the pressure tester for any purpose other than that for which it is designed.
9
When not in use return parts to the case, and store it in a safe, dry, childproof location.
2. INTRODUCTION
Comprising of two gauges for positive/negative and main pressure testing on low-pressure delivery fuel circuit found on common rail systems.
Compatible with 9.98mm button type connection system. Suitable for use with Model No’s VS555 and VS552 for those systems not supported
by 9.98mm button type connections. Can be connected in situ with fuel line for real time running pressure. Quickly identifies fuel related
problems.
3. SPECIFICATION
Model no.: ................................................................... VS550
4. CONTENTS
VS550 Issue 1 30/04/21
Original Language Version
© Jack Sealey Limited
Refer to
instructions
Wear eye
protection
Wear protective
gloves
Item Description
Part No.
1
Vacuum pressure (-1 to +1 bar)
VS550.01
2
Gauge (0 to 17 bar)
VS550.02
3
Manifold with 9.98mm Quick connectors
VS550.03
4
Male to Male Conversion Connector (9.98mm)
VS550.04
1
2
3
4
Fig.1