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Item 65818
S
AFET
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W
EL
d
IN
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C
UTTIN
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M
AINTENANCE
S
ETU
p
Tool Set Up 2 of 3 - First Leak Test: Soapy Water
This test detects major leaks.
1. After everything is connected, close both Torch
Handle Valves, turning clockwise. Close regulators,
turning knobs counterclockwise until loose.
Close Valves
(Turn clockwise.)
Close Regulators
(Turn counterclockwise until loose.)
Leak Test 1 Step 1
2. Open the cylinder valves turning counterclockwise
only until the gas starts flowing.
Leak Test 1 Step 2: Open Cylinder Valves
Acetylene
Cylinder
(14)
Oxygen
Cylinder
(13)
WARNINg! Only open
Acetylene Cylinder Valve
1/4 to 1/2 turn.
WARNINg!
KEEp WRENCH ON
ACETyLENE CyLINdER’S VALVE whenever cylinder
is in use to allow quick shutoff in case of emergency.
3. Adjust the
oxygen
regulator to deliver
20 pSIg
.
Adjust the
acetylene
regulator to deliver
10 pSIg
.
dO NOT EXCEEd 15 pSI
ACETyLENE pRESSURE.
Acetylene
Regulator
(10)
Leak Test 1 Step 3: Set Testing pressures
10 pSI
Oxygen
Regulator
(9)
20 pSI
4. Check all connections for leaks using soapy water:
• If leaks are found, tighten connections.
• If a leak persists, discontinue use
and call gas supplier.
• If no leaks are found with this test,
move on to the Gauge Monitoring test.
Tool Set Up 3 of 3 - Second Leak Test: gauge Monitoring
This test detects minor leaks.
1.
Follow all steps in the Soapy Water test above
to prepare for the gauge monitoring test.
2. Close both cylinder valves, turning clockwise.
Leak Test 2 Step 2: Close Cylinder Valves
Acetylene
Cylinder
(14)
Oxygen
Cylinder
(13)
3. Monitor gauges on both regulators for five minutes.
Leak Test 2 Step 3: Monitor gauges
Acetylene
Regulator
(10)
Oxygen
Regulator
(9)
Acetylene
delivery
pressure
Oxygen
delivery
pressure
Acetylene
Cylinder
pressure
Oxygen
Cylinder
pressure
• If the readings do not change
, the test is
completed and the system has no leaks.
• If any reading changes
, there is a leak on
that side of the system. Follow Gauge Leak
Analysis on the next page to diagnose.
