Cebora 553 - 8. Cooling Unit for Item No 557; 8.1 Coolant Information

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7�4 Test gas (SECTOR T)
The function enables adjustment of the gas ow.
The solenoid valve opensfor 30 seconds, the symbol ashes, changing colour every second. When
the time ends, the electronically controlled valve closes automatically. On pressing the knob of the
encoder during this time, the electronically controlled valve closes.
8 COOLING UNIT FOR ITEM NO 557
AG Slot to inspect the coolant uid level
AH
Quick-tting valves to which torch cooling pipes are connected (NB: they must not be short-circuited).
AI Tank cap
8�1 Coolant
Useamixtureof30%ethyleneglycol(CASNo.107-21-1)and70%deionisedwater.
Carefully follow the safety precautions in the safety data sheet (SDS) for the product used.
DANGER
When topping up or checking the coolant, use appropriate equipment such as protective gloves for your
hands and protective goggles for your eyes�