K-T Industries 31-5009 Usuario Manual página 6

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CUTTING INSTRUCTIONS
CHECK
o-rings on cutting attachment and replace if damaged or missing
CONNECT
the cutting attachment to the torch handle
CONNECT
the cutting tip to the cutting attachment
SELECT
proper cutting tip and regulator pressures for metal thickness
CUTTING NOZZLE
THICKNESS SIZE
1/2" 0
3/4" 1
1-1/2" 2
2-1/2" 3
3" 4
HOLD
torch handle in one hand and striker in the other
OPEN
acetylene torch valve 1/4 turn and quickly ignite nozzle gas with striker
OPEN
slowly the acetylene torch valve farther until flame feathers at its edge slightly
ADJUST
flame to "Neutral Flame" by adding oxygen slowly
Light
Orange
Flame
Open Pre-Heat
Oxygen Valve Slightly
White
Acetylene
Halo
Bluish
Core
a. Starting to Add
Oxygen
MARK
cut line as desired on metal workpiece
PRE-HEAT
edge where starting the cut until it is red hot
PRESS
cutting lever on cutting head and guide cutting tip along marked cut line
SHUTDOWN PROCEDURE
CLOSE
oxygen and acetylene torch valves, then fully close both cylinder valves
OPEN
both torch valves counterclockwise to allow all pressure to bleed out
TURN
pressure adjusting screws counterclockwise and remove them from regulators
WARNING: Do not attempt to start a cut in the middle of workpiece unless properly trained in safe methods of starting these cuts.
OXYGEN ACETYLENE
PRESSURE PRESSURE
30-35 PSIG 3-5 PSIG
30-35 PSIG 3-5 PSIG
40-45 PSIG 3-7 PSIG
45-50 PSIG 4-10 PSIG
45-50 PSIG 5-10 PSIG
Nearly
Colorless
Flame
Little or
No Halo
Blue-White
Core
b. Proper Oxygen Mix
Pre-Heat Flame Adjustment
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Bluish
Orange
Flame
Close Pre-Heat
Oxygen Valve Slightly
Small, Less
Bright Core
c. Too Much Oxygen
6
Capable of cutting
metal up to 3" thick.
*IMPORTANT!
Failure to do this may
permanently damage
the regulators.
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