7�4
Test gas (SECTOR T)
The function enables adjustment of the gas flow.
The solenoid valve opensfor 30 seconds, the symbol flashes, 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 fluid level
AH
Quick-fitting valves to which torch cooling pipes are connected (NB:
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.
When topping up or checking the coolant, use appropriate equipment such as protective gloves for your
hands and protective goggles for your eyes�
they must not be short-circuited).
DANGER
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