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5. OPERATION
WARNING! DO NOT use on the high pressure fuel circuit found on common rail systems.
‰
5.1.
TO MEASURE FUEL PRESSURE BEFORE THE FUEL FILTER (fig.2, fig.1)
Fig.2
NOTE:
Ensure that the ignition is OFF before commencing.
5.1.1.
Assemble the items as shown in fig.2 and connect to fuel inlet side of filter.
5.1.2.
Switch on ignition for lift pump to pressurise the system.
5.1.3.
Start the engine and check the arrangement for leaks. If any leaks are evident, switch off engine immediately. Dry any spillages and
re-assemble ensuring no leakages.
5.1.4.
Run the engine until the pressure gauge is reading a steady pressure. Check the pipes for flowing, clean and bubble free fuel.
5.1.5.
Rev the engine to ensure that pressure is maintained through the rev range.
5.1.6.
Switch off the engine and DO NOT disconnect the arrangement until the fuel pressure has dropped.
5.2.
TO MEASURE FUEL PRESSURE AFTER THE FUEL FILTER (fig.3, fig.1)
Fig.3
NOTE:
Ensure that the ignition is OFF before commencing.
5.2.1.
Assemble the items as shown in fig.3 and connect to fuel outlet side of filter
5.2.2.
Switch on ignition for lift pump to pressurise the system.
5.2.3.
Start the engine and check the arrangement for leaks. If any leaks are evident, switch off engine immediately. Dry any spillages and
re-assemble ensuring no leakages.
5.2.4.
Run the engine until the pressure gauge is reading a steady pressure. Check the pipes for flowing, clean and bubble free fuel.
5.2.5.
Rev the engine to ensure that pressure is maintained through the rev range.
5.2.6.
Switch off the engine and DO NOT disconnect the arrangement until the fuel pressure has dropped.
NOTE:
When testing for positive/negative pressure, set up equipment as per Fig.3 and replace the gauge (item 2) with gauge (item 1).
5.3.
Always keep the components clean and free of oil and grease. Clean them regularly with a non-aggressive cleaner, ensuring they are
dry before storage.
WARNING! DO NOT disconnect the unit from the fuel line until the pressure gauge reads zero
‰
5.4.
In order to preserve integrity, DO NOT expose the components to sunlight or heat source over an extended period of time.
5.5.
Store in a clean dry environment.
Parts support is available for this product. Please email sales@sealey.co.uk or telephone 01284 757500
ENVIRONMENT PROTECTION
Recycle unwanted materials instead of disposing of them as waste. All tools, accessories and packaging should be sorted, taken to
a recycling centre and disposed of in a manner which is compatible with the environment. When the product becomes completely
unserviceable and requires disposal, drain any fluids (if applicable) into approved containers and dispose of the product and fluids
according to local regulations.
Note: It is our policy to continually improve products and as such we reserve the right to alter data, specifications and component parts without prior
notice.
Important: No Liability is accepted for incorrect use of this product.
Warranty: Guarantee is 12 months from purchase date, proof of which is required for any claim.
Sealey Group, Kempson Way, Suffolk Business Park, Bury St Edmunds, Suffolk. IP32 7AR
01284 757500
© Jack Sealey Limited
01284 703534
sales@sealey.co.uk
Original Language Version
www.sealey.co.uk
VS550
Issue 1
30/04/21
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