14.Open the Acetylene Control Valve (B8 with AC Label (B10)) about 1/4 turn, and ignite the acetylene gas coming out of the Nozzle (part D4).
WARNING! Always point the Nozzle away from other people when lighting. (See Figures L, and M.)
15.Slowly open the Acetylene Control Valve (B8 with AC Label (B10)) further until the smoke subsides and the flame jumps away from the end of the Nozzle (part D4) slightly. (See Figure M.)
16.Slowly open the Oxygen Control Valve (B8 with OX Label (B9)) until a brilliant neutral flame is reached. (If the flame has a smooth inner cone, the flame is called
neutral.) (See Figure N.)
17.
WARNING! Always use appropriate welding goggles or welding helmet when welding or cutting (at least a #10 shade lens rating).
OXYGEN CONTROL VALVE
(B8 with OX Label (B9))
NOZZLE (PARTS D4)
ACETYLENE
CONTROL VALVE
(B8 with AC Label (B10))
FIGURE N
18.Once the welding or cutting job is competed, turn off the Oxygen Control Valve (B8 with OX Label (B9)). Then, turn off the Acetylene Control Valve (B8 with AC Label (B10)).
NOTE: Reversal of this procedure may cause damage to the Torch Handle (parts
19.Shut off both cylinder valves. (See Figure E.)
20.Drain the gas from the Oxygen Regulator (parts
(See Figure N.)
21.Release the pressure on the Acetylene and Oxygen Regulators by turning their Pressure Adjusting Screws (18, A18) counterclockwise. (See Figure E.)
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