JUN-AIR OF1202 series [no cabinet] - Manual (Page 7)

7
Operation
• If the compressor has been stored at an extremely low
temperature, allow it to heat to room temperature before
switching it on.
• If the compressor is supplied with a receiver, connect
equipment and open the filter regulator on the receiver.
• Turn on the compressor on the pressure switch.
• The compressor will automatically stop when the preset cut-
out pressure is reached.
If the compressor does not start, there might be pressure in
the receiver. The compressor will automatically start when
the pressure drops.
• The cut-in and cut-out pressure is preset from the factory
and it is normally not necessary to change this.
However, if it is necessary to change the preset settings,
the instructions of this manual shall be followed carefully.
• All AC compressors are designed for 100% duty but 50%
operation is recommendable to prolong the lifetime.
• Do not remove the protection covers during operation as it
may cause electric shock or other personal injury.
• Do not lubricate the oil-less motor with oil, as it will destroy
important components.
Maintenance
To ensure a long lifetime of the compressor, it is important
that inspection and maintenance is carried out regularly as
described in the following.
Preventive maintenance
Activity Weekly Monthly
Once a
year or
every
000 h
a Drain condensate
•
b Check filter regulator
•
c Check for leaks
•
d Clean the unit
•
e Check safety valve
•
f Check inlet filter
•
g Check non-return valve
•
a) Drain condensate
Drain condensate by opening the drain cock on the receiver.
If mounted with auto drain, condensate will be drained
automatically. If drain bottle is installed, empty when necessary.
b) Check filter regulator
If a filter regulator is installed, check weekly and drain for
condensate by pressing the button at the bottom.
If auto drain is installed, the filter will be emptied automatically.
Check and change the filter and filter element in accordance
with the instructions in "Installation and maintenance
instructions" for the filter in question.
c) Check for leaks
Check motor, hoses and equipment for leaks.
Check the pumping time.
d) Clean the unit
Clean the unit when needed with a soft, damp cloth. If
necessary, use paraffin to remove adhesions. Dust and dirt
prevent cooling.
e) Check safety valve
1

Check the safety valve with pressure in the receiver. The safety
Operating manual
GB