ABAC Air Compressor Instrukcja obsługi - Strona 10

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PRECAUTIONS

The ACOUSTIC PRESSURE's value measured at 4 m in free field

corresponds to the ACOUSTIC POWER's value stated on the yellow label

located on the compressor, minus 20 dB.

THINGS TO DO

• The compressor must be used in a suitable environment (well

ventilated with an ambient temperature of between +5°C and +40°C)

and never in places affected by dust, acids, vapors, explosive or

flammable gases.

• Always maintain a safety distance of at least 4 meters between the

compressor and the work area.

• Any coloring of the belt guards of the compressor during painting operations

indicates that the distance is too short.

• Insert the plug of the electric cable in a socket of suitable shape, voltage

and frequency complying with current regulations.

• For 3-phase versions, have the plug fitted by a qualified electrician

according to local regulations. When starting the compressor for the first

time, check the correct direction of rotation and that this matches the

direction indicated by the arrow on the belt guard (versions with plastic

protection) or on the motor (versions with metal protection).

• Use extension cables with a maximum length of 5 meters and of suitable

cross-section.

• The use of extension cables of different length and also of adapters and

multiple sockets should be avoided.

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• Always use the switch of the pressure switch to switch off the compressor

or use the switch of the electric panel for models equipped with this. Never

switch off the compressor by pulling out the plug in order to avoid restart

with pressure in the head.

• Always use the handle to move the compressor.

• When operating, the compressor must be placed on a stable, horizontal

surface to guarantee correct lubrication.

• Position the compressor at least 50 cm from the wall to permit optimal

circulation of fresh air and to guarantee correct cooling.

NOT

THINGS

TO DO

• Never direct the jet of air towards persons, animals or your body. (Always

wear safety goggles to protect your eyes from flying objects that may be

lifted by the jet).

• Never direct the jet of liquids sprayed by tools connected to the compressor

towards the compressor.

• Never use the appliance in your bare feet or with wet hands or feet.

• Never pull the power cable to pull the plug out of the socket or to move the

compressor.

• Never leave the appliance exposed to adverse weather conditions (rain,

sun, fog, snow).

START-UP AND USE

• Fit the wheels and foot (or the caster wheel for models that are fitted with

this) according to the instructions provided in the packaging. For versions

with fixed feet, assemble the front bracket kit or the vibration-dampers if

furnished. Check that the rating data match the effective characteristics of

the system (voltage and power).

• Check for correspondence between the compressor plate data with the

actual specifications of the electrical system. A variation of ± 10% with

respect of the rated value is allowed.

• Insert the power plug in a suitable socket checking that the button of the

pressure switch located on the compressor is in the "O" (OFF) position

(figures 5a-5b-5c-5d).

• For the 3-phase versions, connect the plug to a panel protected by suitable

fuses.

• For the versions fitted with electric panel ("Tandem" control units or

delta/star starters) have installation and connections (to the motor, to the

pressure switch and to the electrovalve if any) carried out by qualified

personnel.

• Check the oil level using the sight glass and if necessary unscrew the vent

plug and top up. (figures 6a-6b).

• At this point, the compressor is ready for use.

• Operating on the switch of the pressure switch (or the selector for versions

with electric panel, (figures 5a-5b-5c-5d), the compressor starts, pumping

air in the reservoir through the delivery hose.

Preserve this handbook for future reference

• Never transport the compressor with the reservoir pressurized

• Never weld or machine the reservoir. In the case of faults or corrosion,

replace it completely.

• Never allow inexpert persons to use the compressor. Keep children and

animals away from the work area.

• Never position flammable or nylon or fabric articles close to and/or on the

compressor.

• Never clean the compressor with flammable liquids or solvents. Clean

with a damp cloth only, after making sure that you have unplugged the

compressor.

• The compressor is designed only to compress air and must not be used for

any other type of gas.

• The compressed air produced by the compressor cannot not be used

for pharmaceutical, food or hospital purposes except after particular

treatments. It is not suitable for filling the air bottles of scuba divers.

• Never use the compressor without guards (belt guard) and never touch

moving parts.

THINGS YOU SHOULD KNOW

• To avoid overheating of the electric motor, this compressor is

designed for intermittent operation as indicated on the dataplate (for

example, S3-50 means 5 minutes ON and 5 minutes OFF). In the case of

overheating, the thermal cutout of the motor trips, automatically cutting off

the power when the temperature is too high due to excess current take-

off.

• To facilitate machine restart, it is important not only to carry out the

operations indicated but also to set the button of the pressure switch,

returning this to the OFF position and then ON again (figures 1a-1b).

• On single-phase versions, press the reset button on the terminal box of the

motor (fig. 2).

• On 3-phase versions, operate manually on the button of the pressure

switch, returning this to the ON position, or press the button of the thermal

cutout inside the box of the electric panel (figures 3a-3b-3c).

• The single-phase versions are fitted with a pressure switch equipped with

a delayed closing air vent valve (or with a valve located on the check valve)

that facilitates motor start-up; therefore a few-second jet of air from this,

with the reservoir empty, is to be considered normal.

• To guarantee machine safety, all the compressors are fitted with a safety

valve that is activated in the case of failure of the pressure switch (fig. 4).

• When connecting an air-powered tool to a hose of compressed air

supplied by the compressor, interruption of the flow of air from the hose is

compulsory.

• Use of the compressed air for the various purposes envisaged (inflation,

air-powered tools, painting, washing with water-based detergents only,

etc.) requires knowledge of and compliance with the rules established for

each individual use.

• On reaching maximum operating pressure (factory-set during testing), the

compressor stops, venting the excess air present in the head and in the

delivery hose through a valve located under the pressure switch (in delta/

star versions, through an electrovalve that is activated when the motor

stops).

• The absence of pressure in the head facilitates subsequent restart.

When air is used, the compressor restarts automatically when the lower

calibration value is reached (approx. 2 bar between upper and lower).

The pressure inside the reservoir can be checked on the gauge provided

(fig. 4).

• The compressor continues to operate automatically with this work cycle

until the position of the switch of the pressure switch (or of the selector of

the electric panel) figures 5a-5b-5c-5d) is modified. To use the compressor

again, wait at least 10 seconds after this has been switched off before

restarting.

• In the versions with electric panel, the pressure switch must always be

aligned with the I (ON) position.

• In tandem versions, the control unit provided permits use of only one of

the two compressor groups (if necessary alternatively) or of both at the

same time according to requirements. In this second case, start-up will be

differentiated slightly to avoid excessively high current take-off at start-up

(timed starting).

• Only the wheel-mounted compressors are fitted with a pressure reducer

(in the versions with fixed feet, it is usually installed on the use line). Air

pressure can be regulated in order to optimize use of air-powered tools