Before the following checks it is required:
• Compressor with cabinet – release the door lock and open the cabinet door.
21.6.
Check of safety valve
• Turn the screw (2) on the safety valve (1) several
times to the left until the safety valve releases the
air.
• Let the safety valve vent for a few seconds.
• Turn the screw (2) fully to the right, the valve must
be closed now.
Damage to the safety valve could cause pressure to rise to hazardous levels.
Never use the safety valve to release the air pressure in the air tank. This could
damage the safety valve. The valve is set to the maximum permitted pressure by
the manufacturer.
Never adjust a safety valve.
Venting compressed air poses an injury hazard.
Wear safety glasses when inspecting a safety valve.
21.7.
Inlet filter replacement
The inlet filter (1) is located inside the compressor crankcase
cover.
Výmena vstupného filtra:
• Pull out the rubber plug (2) by hand.
• Remove the dirty inlet filter (1).
• Insert a new filter and mount the rubber plug.
NP-DK50 PLUS, 2V-ADS-A-3_03-2023
Fig. 18: Check of safety valve
Fig. 19: Inlet filter replacement
42
PRODUCT MAINTENANCE
03/2023