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7. Operating Instructions
7.3 Pressurising the Compressor Tank
Important: Place the compressor on a rm and at
surface before use. DO NOT move the compressor while
it is switched on.
The compressor tank (3) must be pressurised before use.
The tank pressure is indicated by the tank pressure
gauge (11) (the left of the two gauges).
Important: Draper Tools recommends pressurising the
tank BEFORE attaching an air line or tool.
To pressurise the tank:
1. Turn the output pressure regulator (9) fully
anticlockwise and allow the output pressure gauge to
drop to zero.
2. Press the on/o switch (6) into the on (
) position and
observe the tank pressure gauge.
− If only a small quantity of air is required, press the
on/o switch into the o (
) position when the
required pressure is reached.
− If a full tank is required, allow the compressor to
operate until it cuts out automatically.
3. Attach the air line and accessories; see 7.2
Connecting an Air Line or Tool.
4. Set the desired output pressure; see 7.4 Setting the
Output Pressure.
The tank can be pressurised to a maximum pressure of
8bar, at which point the compressor will automatically
cut out. If the compressor remains switched on during
use, it will automatically repressurise once its internal
pressure drops to approximately 5.4bar.
To reduce the pressure in the tank slightly without
connecting a tool, pull gently on the safety valve (10) pin
to allow air to escape until the desired pressure is
reached.
Important: DO NOT use the drain valve to reduce the
tank pressure.
For more accurate results when reducing the tank
pressure, allow the pressure to drop slightly below the
desired level, then repressurise to the level required.
WARNING! DO NOT leave the tank unattended
while it is pressurised. Depressurise the tank if it
will not be used for extended periods.
WARNING! The compressor must only be
operated for 90 seconds within a 10 minute
period. After pressurising the tank, allow 10
minutes for the product to rest before using the
air line.
7.4 Setting the Output Pressure
Important: This air tool delivers a maximum output
pressure of 8bar (116psi). NEVER exceed the maximum
operating pressure of any component of the connected
air line.
5 Fig.
(9)
(8)
The output pressure can be set using the output pressure
regulator (9) and monitored using the output pressure
gauge (8) (the right of the two gauges). The current
output pressure can only be viewed when the tank is
pressurised.
Important: ALWAYS use the minimum outlet pressure
required for the operation. Use of excessive pressure will
require the compressor to operate and rest more
frequently and may cause the operation to take longer.
• To increase the output pressure, rotate the output
pressure regulator clockwise.
• To decrease the output pressure, rotate the output
pressure regulator anticlockwise.
Important: If the regulator is rotated to its full extent in
either direction, it may require a few turns before the
output pressure begins to change.
When the tank pressure reaches the same level as the
output pressure, both will decrease at the same rate
unless the tank is repressurised.
– 12 –
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