Work Cable Connection

A-7

INSTALLATION

A-7

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A PTA-17 Twist-Mate TIG welding torch with cable and connector is supplied with the Ready-Pak Models and available for other models (See Accessories Section). Turn the Power Switch “OFF”. Connect the torch cable Twist-Mate quick connect plug into the Electrode/Gas Output Receptacle on the front of the welder and turn it clockwise until it is tight. This is a Twist-Mate quick connect terminal and also provides the gas connection for the shielding gas to the torch.

WARNING

To avoid receiving a high frequency shock, keep the TIG torch and cables in good condition.

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A work cable with attached work clamp is factory con- nected to the PRECISION TIG 185. To minimize high frequency interference, refer to Machine Grounding and High Frequency Interference Protection section of this manual for the proper procedure on grounding the work clamp and work piece.

SHIELDING GAS CONNECTION

An adjustable gas pressure regulator with flow gage and hose is supplied with the PRECISION TIG 185 Ready-Pak Models and available separately for other models (See Accessories Section). Obtain the neces- sary inert shielding gas (usually argon). Connect the cylinder of gas with the pressure regulator and flow gage. Install the gas hose between the regulator and gas inlet (located on the rear of the welder). The gas inlet has a 5/16-18 right hand female thread; CGA#032.

The available Under-Storage Cart features a low plat- form that simplifies loading and unloading of gas cylin- ders.

WARNING

CYLINDER could explode

if damaged.

• Keep cylinder upright and chained to a support.

•Keep cylinder away from areas where it could be damaged.

•Never allow the torch to touch the cylinder.

•Keep cylinder away from live electrical circuits.

•Maximum inlet pressure 150 psi.

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A cylinder is loaded by leaning it slightly sideways and rocking it up on the platform, being careful not to allow the Under-Storage Cart to roll. Secure the cylinder in place with the provided chain. Unload by following these steps in reverse.

REMOTE CONTROL CONNECTION

A remote control receptacle is provided on the case front of the welder for connecting a remote control to to the machine. A Foot Amptrol™, foot activated remote control, is included with the PRECISION TIG 185 Ready-Pak models and available separately for other models. Refer to the Optional Accessories section of this manual for other available remote controls.

CONNECTIONS FOR STICK (SMAW) WELDING

STICK ELECTRODE CABLE AND WORK CABLE CONNECTION

Refer to Field Installed Options in Accessories Section of this manual for STICK welding equipment which is available for use with the PRECISION TIG 185. An electrode holder with Twist-Mate cable and Twist-Mate connector are available separately for use with the PRECISION TIG 185. (See Accessories Section). Turn the Power Switch “OFF”. Connect the Twist-Mate quick connect plug into the Electrode/Gas Output Receptacle and turn it clockwise until it is tight. The work cable and work clamp are factory connected.

PRECISION TIG 185