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Operation; Safety Features; Maintenance - Sealey SAC0610E.V3 Manual

Compressor 6ltr direct drive 1hp

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5. OPERATION

WARNING! ensure that you have read, understood and applied
Section 1 Safety Instructions.
5.1.
DUTy CyCLE: This is a 50% duty cycle air compressor. DO NOT
run the air compressor for more than 30 minutes in any one hour.
doing so could damage the air compressor.
5.2.
Make sure that the main switch (fig.5.1) is 'off' (down).
5.3.
Check the oil level by looking through the sight glass (See fig.2B).
5.4.
ensure that the tank drain valve is closed. (See fig.1)
5.5.
Close the outlet pressure regulator by turning the knob clockwise.
(See fig.5.2).
5.6.
Connect the air tool required to the compressor via an air line
connected to the air outlet (See fig.5.4).
5.7.
Plug the mains cable into the mains supply and start the
compressor by pulling up the main switch.
5.8.
Allow the pressure in the tank to rise to the maximum at which
point the compressor will automatically cut out. Tank pressure is shown on the larger gauge (fig.5.6).
5.9.
Begin to gradually open the regulator by turning the knob anticlockwise until the small gauge registers the required operating pressure
specified for the tool to be used. Always adjust up to the required pressure rather than down from a higher pressure. The required
setting, once achieved, can be locked by screwing the locking ring (See fig.5.3) up tight underneath the adjusting knob.
5.10.
You can now begin to use the tool. The compressor will operate automatically cutting in and out as required to restore the air pressure
in the tank. The pressure switch (fig.5.8) stops the motor when the
maximum tank pressure is reached and restarts it when pressure
falls below the minimum threshold - approx. 2 bar (29psi) less
than the maximum pressure.
note:
a) If the motor does not cut in and out, but runs continuously
when using an air appliance, the capacity of the compressor may
be too small for the appliance.
b) The main gauge (fig.5.6) indicates the pressure inside the
main tank, noT the pressure supplied to the air equipment,
which is shown on the smaller gauge (fig.5.5). Should the
pressure in the main tank exceed the pre-set switch (fig.5.8)
maximum, the safety valve (fig.5.7) will activate.
WARNING! For this reason DO NOT tamper with, or adjust, the
switch or the safety valve. When the compressor is not being
used set the regulated pressure to zero so as to avoid damaging
the pressure regulator.
5.11.
To stop the compressor press down the main switch (fig.5.1).
When the compressor stops there will be a whistling sound as
compressed air is vented from the compressor head. DO NOT,
other than in an emergency, stop the compressor by switching off
the mains power, or by pulling the plug out, as the pressure relief
will not then occur and motor damage may result upon restart.
5.12.
When you have finished using the compressor unplug the unit
from the mains power supply.
5.13.
Set the outlet pressure on the regulator to zero.
5.14.
Remove the air line and air tool.
5.15.
The tank must now be drained. This will release the air left in the tank and drain away condensation that may have formed within the tank.
Choose a suitable location for this operation and/or make provision to collect the condensation. Wear ear and eye protection. open
the tank drain valve (See fig.1) slowly allowing air and moisture to bleed from the tank. After bleeding close the drain valve to prevent
debris building up in the valve.
‰ ‰ WARNING! Water that is allowed to remain in the tank during storage will corrode and weaken the air tank which could cause
the tank to rupture. To avoid serious injury drain the tank after each use or daily.
5.16.

SAfETy fEATURES

Thermal cut out: If the unit overheats the thermal cut out will operate and shut the unit down. The thermal cut out will automatically
reset when the unit has cooled down which may take up to 30 minutes.

6. MAINTENANCE

WARNING! Before performing any maintenance operation,
switch off the compressor, disconnect from electricity supply and
release all air from the tank. In order to keep the compressor in
good working condition, periodical maintenance is essential.
6.1.
After the first 10 working hours replace the lubricating oil -
see para 6.3.
6.2.
operations to be carried out daily:
a) drain condensation by opening the valve located under the
tank. Place a container under the valve and open the valve by
turning anti-clockwise. See fig.1.
b) Check for oil leaks
c) Check oil level and, if necessary, top up.
6.3.
operations to be carried out every 100 hours (or more frequently,
if the compressor operates in a very dusty atmosphere):
a) Check the automatic cut-out at max. pressure and the automatic cut-in at 2 bar below.
© Jack Sealey limited
fig.4
fig.5
fig.6
Original Language Version
SAC0610e.V3 Issue 1 23/01/19

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