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7

INSTALLING SHIELDING GAS SUPPLY

A Shielding Gas Bottle is not included with your Eastwood MIG175 but is necessary 
to welding using Solid Wire. This can be bought at most local Welding Supply Stores. 
Eastwood recommends the use of 75% Argon/25% CO2 for shielding gas when MIG 
welding Steel, 100% Argon for Aluminum, and Tri-Mix (90% He/7.5% Ar / 2.5% CO2) 
for Stainless Steel. 

1. 

Place the Eastwood MIG175 in its dedicated area or on a welding cart.

2. 

Secure your Shielding Gas Bottle to a stationary object or mount to your welding 
cart if it is equipped to hold one so that the cylinder cannot fall over.

3. 

Remove the cap from the Shielding Gas Bottle.

4. 

Insert the large brass male fi tting on the Shielding Gas Regulator into the female 
fi tting on the Shielding Gas Bottle.

NOTE:

 Do not use White Tefl on Tape on this connection as it is a compression 

fi tting and does not require it, if you have a leak check for burrs or dirt in the 
threads. If the leak persists, use gas type sealing tape.

5. 

Tighten the fi tting with a wrench till snug, do not over tighten.

6. 

Connect either end of the Gas Line included with your Eastwood MIG175 to 
the fi tting on the regulator and wrench tighten till snug.

7. 

Connect the other end of the gas line to the fi tting on the rear of the 
Eastwood MIG175 and wrench tighten till snug.

8. 

Check the gas line for leaks by slowly opening the valve on the gas bottle. 
When welding the valve on the bottle should always be all the way open.

FIG. F

Flow 

Regulator

Hose feeds 

to gas input

Valve

Bottle 

Pressure 

Gauge

Gas Flow 

Output 

Gauge

BUILDUP OF GAS CAN INJURE OR KILL! 

 • Shut off shielding gas supply when not in use. 

•  Always ventilate confined spaces or use approved air-supplied respirator.
•  Always turn your face away from valve outlet when opening cylinder valve.

CYLINDERS CAN EXPLODE IF DAMAGED! 

  Shielding gas cylinders contain gas under high pressure. If damaged, a cylinder can explode. As gas cylinders are a normal 

component of the welding process, use extra care to handle them carefully.
•  Protect compressed gas cylinders from excessive heat, mechanical shocks, physical damage, slag, open flames, sparks and 
•  Install cylinders in an upright position by securing to a specifically designed rack, cart or stationary support to prevent falling 
  or tipping over.
•  Never weld on a pressurized cylinder or explosion will occur.
•  Use only correct shielding gas cylinders, regulators, hoses and fittings designed for the specific application; maintain them and 
  all related components in good condition.
•  Keep protective cap in place over valve except when cylinder is in use.
•  Use proper equipment, procedures and have adequate help when moving or lifting cylinders. 

Содержание MIG 175

Страница 1: ...MIG175 WELDER SERVICE MANUAL Item 12012...

Страница 2: ...WILL NOT ACCEPT RESPONSIBILITY OR LIABILITY FOR REPAIRS UNLESS MADE BY EASTWOOD EASTWOOD S LIABILITY UNDER THIS WARRANTY SHALL NOT EXCEED THE COST OF CORRECTING THE DEFECT OF THE EASTWOOD PRODUCT EAS...

Страница 3: ...der in a clean dry well ventilated area Do not operate the Welder in humid wet rainy or poorly ventilated areas The electrode and work or ground circuits are electrically hot when the Welder is on Do...

Страница 4: ...by the welding operation Wear an OSHA approved respirator when welding Always work in a properly ventilated area Never weld coated materials including but not limited to cadmium plated galvanized lead...

Страница 5: ...itch 4 Voltage Control 5 Wire Speed Control 6 Latch 7 Power Cord 8 Breaker Reset Switch 9 Shielding Gas Inlet 10 Rocker Arm 11 Pressure Adjuster 12 Guide Pipe 13 Torch Tensioner 14 Positive Terminal 1...

Страница 6: ...NG THE GROUND CLAMP 1 Insert the terminal connection of the Ground clamp through the designated hole in the front of the unit Fig A2 2 Pull the cable through and route it through the wire loom located...

Страница 7: ...end of the gas line to the fitting on the rear of the Eastwood MIG175 and wrench tighten till snug 8 Check the gas line for leaks by slowly opening the valve on the gas bottle When welding the valve o...

Страница 8: ...WER SOURCE The Eastwood MIG175 welder requires a dedicated 220 VAC 30 Amp grounded outlet protected by a time delay breaker The MIG175 is equipped with a NEMA 6 50P Plug which requires a NEMA 6 50R ou...

Страница 9: ...stance where additional shielding gas is required to prevent porosity in the weld 6 When finished welding remember to close the gas valve on the bottle CHANGING THE DRIVER ROLLER The wire feed drive r...

Страница 10: ...setting FIG J1 3 Remove the thumb screw and clear plastic wire spool cover 4 Remove the thumb screw and spring tensioner that holds the wire spool on FIG K1 5 Place wire spool on spindle and replace...

Страница 11: ...faces Remove all flammable items within 35 feet of the welding area Always keep a fire extinguisher nearby while welding Use welding blankets to protect painted and or flammable surfaces rubber weathe...

Страница 12: ...cular to the base metal with 20 tilt back 10 Depress the trigger to start the wire feed which starts the arc NOTE A push perpendicular or drag technique can be used to weld the pieces together the typ...

Страница 13: ...switch Move switch to wire feed mode Loose or Open Connection in Gun Trigger Circuit Visual and continuity check of trigger wiring and connections Repair loose open connection Faulty Gun Trigger Meas...

Страница 14: ...age 240V AC replace Gas Solenoid Faulty Control Board Check voltage at CON 8 with Gun Trigger pulled Should be 240V AC If no voltage replace Control Board Unit Powers up Torch Trigger Pulled Drive Rol...

Страница 15: ...V2 Fan Voltage 240V AC with Power Switch ON V3 Drive Motor Voltage 2V to 24V DC across Wire Speed Potentiometer Range V4 Gas Solenoid Voltage 240V AC with Gun Trigger Pulled V5 Transformer Input Volt...

Страница 16: ...16 Eastwood Technical Assistance 800 343 9353 tech eastwood com EXPLODED VIEW WITH PARTS LIST...

Страница 17: ...ilable Torch Terminal 13 14429 Drive Motor Plastic 13 33094 Drive Motor Metal 14 Not Available MIG Torch Connector 15 Not Available Front Panel 16 Not Available MIG Gun Trigger Connector 17 Not Availa...

Страница 18: ...18 Eastwood Technical Assistance 800 343 9353 tech eastwood com NOTES...

Страница 19: ...To order parts and supplies 800 343 9353 eastwood com 19 NOTES...

Страница 20: ...tive Group LLC 8 20 Repair Manual 12012RM Rev 1 If you have any questions about the use of this product please contact The Eastwood Technical Assistance Service Department 800 343 9353 email tech east...

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