benza BZC248, Manual

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6. PREPARATION FOR STARTING
(1) The place to set the compressor should be clean, dry and ventilated.
(2) Keep the using voltage within ± 5% of rated.
(3) Keep the oil level in the red circle level.
(4) Recommend compressor oil use SAE30 or L-DAB 100 over l0°C, and use SAEl0 or L-DAB68 below l0°C.
(5) Open the outlet valve, set the knob of pressure switch in position on (Fig.2), let the compressor run 10 minutes with
no load to ensure lubricating the moving parts before regular service.