

The Hobart Handler 125 is a versatile MIG welder designed for both hobbyists and professionals. Known for its reliability and ease of use, this model excels in various welding applications, making it an essential tool for any workshop. Experience high-quality performance with the Hobart Handler 125.
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Find all the essential guides in one place.
Tensioning Guide
Belt-diagram
C-120 pulleys
+ 13 more
Pre-built workflows to keep your asset running smoothly.
Daily Electrical System Inspection
Replace Roller and Pulley
Install Engine B-120
+ 29 more
Integrate maintenance plans directly into your work orders.
Motion Industries
Applied Industrial Technologies
Electrical Brothers
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Drive Motor
B2 Rollers
Tensioning System
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Hobart Hobart - Handler 125 Handler 125
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Integrate maintenance plans directly into your work orders in MaintainX.
3 Months Check
Disconnect power before maintaining.
- Replace unreadable labels
- Repair or replace cracked weld cable
- Clean and tighten weld terminals.;
6 Months Check
Blow out or vacuum inside. During heavy service, clean monthly.;
Changing Drive Roll Or Wire Inlet Guide
1 Pressure Adjustment Knob
2 Pressure Assembly
Pivot pressure adjustment knob down, and lift pressure assembly up.
3 Pivot Tube Plate
4 Securing Screws
5 Pressure Arm Pivot Tube
6 Inlet Wire Guide
Remove screws and pivot tube plate. Lift out pressure arm pivot tube, and slide inlet wire guide out of tube. Slide replacement wire guide into tube, and place tube back into drive assembly. Be sure tip of wire guide is as close to drive roll as possible without touching. Reinstall plate and tighten screws.
7 Retaining Knob
Cleaning Gun Liner
Turn off welding power source.
1. Remove nozzle. Cut off wire at contact tip, and remove contact tip and tip adapter.
2. Open pressure assembly. Retract wire from liner onto spool.
3. Hold wire tightly to keep it from unraveling. Secure end of wire at spool.
4. Remove screws (3) from cover, and remove cover from wire drive assembly.
5. Lay gun cable out straight, and blow out liner.
Reassemble drive cover and gun in reverse order from taking it apart.;
Drive Motor Protection
Drive motor protection circuit protects drive motor from overload. If drive motor becomes inoperative, release gun trigger and wait until protection circuit resets allowing drive motor to feed wire again.;
Access the parts list for your equipment in MaintainX.
Adapter, Gas Hose
-
Adapter, Spool Hub
202 726
Baffle, Center
210 433
Bezel, Front
213 643
Blade, Fan
210 413
Adapter, Gas Hose
-
Adapter, Spool Hub
202 726
Baffle, Center
210 433
Bezel, Front
213 643
Blade, Fan
210 413
Adapter, Gas Hose
-
Adapter, Spool Hub
202 726
Baffle, Center
210 433
Bezel, Front
213 643
Blade, Fan
210 413
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Ensure your team follows consistent procedures to minimize equipment failures and costly delays.
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