LW 300 E / LW 450 E
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MAINTENANCE AND SERVICE
Leak test
Leak test as follows:
• Disconnect the compressor from the electrical power
supply and protect against unexpected restart.
• Remove the cover of the switch box.
• Switch on the leak test switch (solenoid valves will be
deactivated!).
• Mount the cover of the switch box.
• Connect the compressor to the electrical power supply.
• Close filling valves.
• Start the compressor.
• Switch off the compressor at a pressure of approx. 150
bar.
• Verify the compressor for release noises. (A slight hiss of
the air inlet filter nozzle can be ignored). If release noises
occur, localise blow off position(s).
• Switch off the compressor.
• Disconnect the compressor from the electrical power
supply and protect against unexpected restart.
• Remove the cover of the switch box.
• Switch off the leak test switch (solenoids will be activa-
ted!).
• Mount the cover of the switch box.
• Connect the compressor to the electrical power supply.
The leak test is now completed.
Note
Do not fill any tank during test phase!
i
Switch box
Leak test switch (lower)
Version: 261012-001 E
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