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Sealey VS0042 Quick Start Manual page 2

Cooling system vacuum purge & refill kit

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5. PREPARATION
WARNING! Ensure the air supply is clean and does not exceed 90psi while operating the wrench. Too high an air pressure and/or
unclean air will shorten the product life due to excessive wear, and may be dangerous causing damage and/or personal injury.
5.1.
AIR SUPPLY
Ensure the valve is closed when connecting to the air supply.
5.1.1.
You will require an air pressure of 90psi, and an air flow according to specification.
5.1.2.
Drain your compressor air tank of water daily. Water in the air line will damage the wrench.
5.1.3.
Clean the compressor air inlet filter weekly. Recommended hook-up procedure is shown below.
5.1.4.
Line pressure should be increased to compensate for unusually long air hoses (over 8 metres). The minimum hose diameter should
be 1/4" I.D. and fittings must have the same inside dimensions.
5.1.5.
Keep hose away from heat, oil and sharp edges. Check hose for wear, and make certain that all connections are secure.
6. OPERATION
WARNING! Ensure you read, understand and apply safety instructions before use.
6.1.
PREPARATION.
6.1.1.
Set vehicle heater control to 'On' and/or 'Hot'. Drain and flush coolant system.
6.1.2.
Inspect all coolant system components and repair/
replace any unserviceable items.
6.1.3.
Prepare a suitable coolant mix (see vehicle hand
book). Mix 10% more than the system volume to
ensure that the filler hose will always be submerged.
6.1.4.
Connect the VS0042 to the air system, as described
in Section 3.
6.2.
SUCTION FILLING.
6.2.1.
Raise the container of coolant level with the fill point.
Using a suitable bush (fig.1) fit VS0042 into the filler
neck of the radiator (or header tank, if fitted).
6.2.2.
Insert and support the air line so that VS0042 is not
pulled off centre.
NOTE: On some vehicles fitted with an overflow
tank, it may be necessary to clamp the overflow
hose.
6.2.3.
Open the valve (Fig.2) and turn on the air supply.
6.2.4.
Allow the vacuum level to reach approximately
20-25inHg (50-60cmHg) and close the valve (Fig.3).
NOTE: During this procedure the radiator hoses
will collapse under the vacuum being generated
- this is normal.
6.2.5.
Turn off and disconnect the air supply and remove
the vacuum pump, check the gauge over the
next 3 minutes. If the gauge reading drops there is
a system leak which will require locating and rectifying before proceeding further.
6.2.6.
Place the filler hose into the container of coolant and connect the other end of the hose into the VS0042 (Fig.4). Ensure that the end
of the hose remains submerged throughout the filling process.
6.2.7.
Open the valve fully and coolant will flow into the cooling system. For best results raise the coolant container above the level of the
filler neck.
6.2.8.
When the gauge reads '0' turn the valve to the off position and remove VS0042 from the filler neck. If necessary top-up the
coolant to the specified level and refit the pressure cap. The system is filled and free from air locks.
6.2.9.
Start the engine and run until normal operating temperature is reached. Allow to cool and top-up coolant if necessary.
6.2.10.
It is advisable to now pressure test the system and to check the operation of the thermostat and cooling fan(s).
6.2.11.
When not in use, disconnect from air supply, clean and store in a safe, dry, childproof location.
© Jack Sealey Limited
RUBBER
BUSHES
RADIATOR
RADIATOR
Original Language Version
AIR CONNECTION
ON
RADIATOR
OFF
RADIATOR
VS0042
Issue 2 (H,F,3) 10/08/22
VACUUM PUMP
COOLANT HOSE

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