JUN-AIR 4000 series [cabinet] - Handbuch (Seite 15)

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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 the safety valve
1

Check the safety valve with pressure in the receiver. The safety
valve is operated by pulling the ring (1) or turning the screw ()
depending on the valve type.
f) Check intake filter
Check the intake filter and change it if necessary.
g) Check the non-return valve
Turn off the compressor on the mains switch and pull out the plug.
Empty the receiver for compressed air by operating the safety
valve. When the receiver is empty, the reading of the pressure
gauge is 0 bar.
Dismount the non-return valve from the receiver.
1
Disassemble the non-return valve and remove the O-ring (1)
part no. 4000 from the piston.
Clean the non-return valve.
Mount a new O-ring and re-assemble the non-return valve.
Re-install the non-return valve.
h) Check the fans
Check that the fans at the back of the cabinet work. They
will start when the temperature exceeds 0°C and will run
continuously until the temperature falls below 0°C.
i) Check dryer
If a dryer is installed refer to the operating manual for the dryer.
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.
Read the elapsed operation time on the hour counter.
Opening of cabinet
Turn the 4 locks clockwise with a screwdriver or sim. to open the
cabinet.
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
•
h Check fans
•
i Check dryer
•
a) Drain condensate
If drain bottle is installed, empty when necessary. ().
b) Check outlet filter
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.
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1
1
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Operating manual
GB