Miller HF-251-2 Manuale d'uso - Pagina 14

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Miller HF-251-2 Manuale d'uso

2-3. Installing Gas Supply

6
5
4
7
Tools Needed:
1-1/8, 5/8 in
OM-611 Page 10
1
2
3
Argon Gas
8
IN-GAS-OUT
To Torch
Obtain gas cylinder and chain to
running gear, wall, or other station-
ary support so cylinder cannot fall
and break off valve.
1
Cap
2
Cylinder Valve
Remove cap, stand to side of valve,
and open valve slightly. Gas flow
blows dust and dirt from valve.
Close valve.
3
Cylinder
4
Regulator/Flowmeter
Install so face is vertical.
5
Gas Hose Connection
Fitting has
5/8-18
threads.
6
Flow Adjust
Typical flow rate is 15 cfh (cubic feet
per hour).
Make sure flow adjust is closed
when opening cylinder to avoid
damage to the flowmeter.
7
Gas In Fitting
8
Gas Out Fitting
Open left side panel.
The Gas In and Gas Out fittings
have 5/8-18 right-hand threads.
Obtain proper size, type, and length
hose and make connections as fol-
lows:
Connect hose from shielding gas
supply regulator/flowmeter to Gas
In fitting.
Connect shielding gas hose from
torch to Gas Out fitting.
Close left side panel.
ssb3.3* 5/94 – Ref. ST-158 697-A / Ref. ST-098 956-B
right-hand