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Maintenance
CHECK VALVES
Always use
reverse flow check
valves with this equipment. They reduce
the possibility of mixing gases in the
hoses and regulators. These gases can
explode in the hoses, regulators or
cylinders, resulting in serious injury to
the operator. Test reverse flow check
valves routinely to assure correct
operation.
Leak test check valves at least every
three months, as follows:
1. Shut off fuel cylinder valve and
disconnect hose from check valve.
Replacement Parts List
11
13
12
16
Ref
No.
Description
1
Torch handle
2
Oxygen check valve
3
Acetylene check valve
4
Cutting attachment
5
Cutting tip
6
Nut, cutting attachment
7
Multiflame tip #6
8
Welding tip #0
2. Set oxygen regulator to 5 PSI and
open all gas valves on torch and
cutting attachment.
3. Plug torch tip and check for reverse
flow to fuel gas check valve. Use
soapy water or immerse in water to
check for leak. Set pressure to zero
after test.
4. Reconnect fuel gas hose and
disconnect oxygen hose.
5. Set fuel cylinder valve to 5 PSI and
inspect for leaks in oxygen check
valve.
have serviced by a qualified technician.
4
6
5
13
15
Part Number
Qty
WC900000AV
1
WC901000AV
1
WC901100AV
1
WC902000AV
1
WC903500AV
1
WC902001AV
1
WC903000AV
1
WC904000AV
1
6. Reconnect hose and purge system
HOSES
each use. If cuts, burns, worn areas or
damaged fittings are found, replace the
hose.
GAS CYLINDERS
Place valve protection cap on gas
cylinders whenever moving, placing in
storage, or not using. Never drag
cylinders. Roll them carefully on the
bottom edge.
Replace leaking
check valves or
1
14
Ref
No.
Description
9
Welding tip #2
10
Welding tip #4
11
Oxygen regulator
12
Acetylene regulator
13
Pressure adjusting key
14
Welding hose 3/16 ID.
15
Spark lighter
16
Tip cleaner
7
Model WT4000
before use.
Examine the hoses
carefully before
2
3
7
10
9
Part Number
WC904200AV
WC904400AV
WC905000AV
WC905500AV
WC905001AV
WC906000AV
WC907000AV
WC907100AV
8
Qty
1
1
1
1
2
1
1
1
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