Warranty And Repair - Bauhaus Herkules Pro-Line B2800B/3M/90 Manual De Instrucciones

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 7a-7b).
G
• At this point, the compressor is ready for use.
B
• Operating on the switch of the pressure switch (or the selector for versions with
electric panel), (figures 6a-6b-6c-6d), the compressor starts, pumping air in
the reservoir through the delivery hose. On 2-stage versions, air is sucked into
the so-called low pressure cylinder liner and precompressed. It is then routed,
through the recirculation hose, into the so-called high pressure liner and then
into the reservoir. With this work cycle, it is possible to reach higher pressure,
with availability of air at 11 bar (15 bar for special machines).
• 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. 4a-4b).
• 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 6a-6b-6c-6d) 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 operating on the
knob with the valve open (pulling it up and turning it in a clockwise direction
to increase pressure and counterclockwise to reduce this) (fig. 8). Once you
have set the value required, push the knob down to lock it.
• The v alue s et c an b e c hecked o n t he g auge ( for v ersions e quipped w ith t his, fi g. 9).
• Please check that the air consumption and the maximum working pressure
of the pneumatic tool to be used are compatible with the pressure set on the
pressure regulator and with the amount of air supplied by the compressor.
• When you have finished working, stop the machine, pull out the plug and
empty the reservoir.
3. MAINTENANCE
• The service life of the machine depends on maintenance quality.
• PRIOR TO ANY OPERATION SET THE PRESSURE SWITCH TO THE
OFF POSITION, PULL OUT THE PLUG AND COMPLETELY DRAIN THE
RESERVOIR.
• Check that all screws (in particular those of the head of the unit) are tightly
drawn up (fig. 10).
The control must be performed before the first start-up of the compressor and
subsequently before the first intensive use in order to restore the correct closing
torque value modified as a result of heat expansion.
TABLE 1 – TIGHTENING OF HEAD TENSION RODS
Screw M6
Screw M8
Screw M10
Screw M12
Screw M14
• Clean the suction filter according to the type of environment and in any case at
least every 100 hours. If necessary, replace the filter (a clogged filter impairs
efficiency while an inefficient filter causes harsher wear on the compressor
(figures 11a - 11b-11c-11d).
• Change the oil after the first 100 hours of operation and subsequently every
300 hours. Check the oil level periodically.
Nm Nm
Min. torque Max. torque
9 11
22 27
45 55
76 93
121 148
• Use SAE 40. (For cold climates, SAE 20 is recommended). Never mix different
grade o ils. I f t he o il c hanges c olor ( whitish = p resence o f w ater; d ark = o verheated),
it is good practice to replace the oil immediately.
• After topping up, tighten the plug (fig. 12) making sure that there are no leaks
during use. Once a week, check the oil level to assure lubrication in time (fig. 7a).
• Periodically (or after completing work if for more than an hour), drain the
condensate that forms inside the reservoir due to the humidity in the air (fig.
13a-13b) in order to protect the reservoir from rust and so as not to restrict
its capacity.
• Periodically, check the tension of the belts which must have a flexion (f) of
around 1 cm (fig. 14).
TABLE 2 – MAINTENANCE
AFTER THE
FUNCTION FIRST 100
Cleaning of intake filter and/
or substitution of filtering
element
Change of oil*
Tightening of head tension The check must be carried out prior to the first
rods compressor starting.
Draining tank condensate Periodically and at the end of work
Checking the tension of
Periodically
the belts
* Spent oil and condensate MUST BE DISPOSED OF in compliance with protection
of the environment and current legislation.
4. STORAGE
Pull the mains plug out of the socket and ventilate the appliance and all
connected pneumatic tools. Switch off the compressor and make sure that it is
secured in such a way that it cannot be started up again by any unauthorized
person.
5. DISPOSAL
The compressor must be disposed in conformity with the methods
provided for by local regulations.

6. WARRANTY AND REPAIR

In the event of defective goods or requirements for spare parts, kindly contact
the sales point where you made your purchase.
20
EVERY 100
EVERY 300
HOURS
HOURS
HOURS
•
• •