Position of oil level sight-glass and service indicator
Regularly check the oil level: Approximately three minutes after stopping, sight-glass (Gl) should be between
1/4 and 3/4 full. If the level is too low, stop the compressor, wait until the compressor has stopped, depressurise
the oil system by unscrewing oil filler plug (FC) one turn and wait a few minutes. Remove the plug and top
up oil, until the sight-glass is full. Fit and tighten the plug (FC).
When automatic operation LED (8) is lit, the regulator is automatically controlling the compressor, i.e. loading,
unloading, stopping of the motors and restarting.
If provided, regularly check that condensate is discharged by the automatic drain(s) during operation. See
section Condensate system. The amount of condensate depends on environmental and working conditions.
If an OSD is installed, also check the level in the oil collector; see section OSD Maintenance and operating
instructions.
Instruction book
138 2920 7090 51
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