

The Miller Welding Generator Bobcat 225G+ is a versatile and reliable portable generator designed for welding and power generation. Known for its durability and efficiency, this model is ideal for construction sites and outdoor applications, providing consistent performance and ease of use for professionals.
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Tensioning Guide
Belt-diagram
C-120 pulleys
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Pre-built workflows to keep your asset running smoothly.
Daily Electrical System Inspection
Replace Roller and Pulley
Install Engine B-120
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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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Miller Welding Generator Bobcat 225G +
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Integrate maintenance plans directly into your work orders in MaintainX.
Adjusting Engine Speed
Start engine and run until warm.
Turn Fine Adjust control to 10.
Idle Speed Adjustment
1 Throttle Solenoid
2 Mounting Screw
Loosen two mounting screws.
3 Governor Arm
4 Carburetor
5 Idle Speed Screw
Overload Protection
Stop engine. Disconnect negative (–) battery cable.
Fuse F1 functional
F1 protects the exciter excitation winding from overload. If F1 opens, there is no/low weld and auxiliary power output.
Fuse F6 functional
F6 protects the engine wiring system from overload. If F6 opens, engine will not crank. If F6 opens while engine is running, weld and auxiliary power output stops.
Any open fuses?
Replace any open fuses. Reinstall cover before operating.
Sign off on the overload protection check
500 Hourly Welding Generator Maintenance
Caution: Stop engine before maintaining.
Check Spark Plugs.
Repair Or Replace Cracked Cables.
Blow Out Or Vacuum Inside.
During Heavy Service, Clean Monthly. (Every 1000 h);
Sign off on the generator maintenance
100 Hourly Welding Generator Maintenance
Caution: Stop engine before maintaining.
Change Oil. See Section 6-4 And Maintenance Label.
Stop engine and let cool.
1 Oil Drain Valve
2 1/2 ID x 12 in Hose
3 Oil Filter
Change engine oil and filter according to engine owner’s manual.
Clean And Tighten Battery Connections.
Change Oil Filter. See Section 6-4 And Maintenance Label.
200 Hourly Welding Generator Maintenance
Caution: Stop engine before maintaining.
Check Valve Clearance.
Replace Fuel Filter. See Section 6-4.
Close valve and valve cap before adding oil and running engine.
Fill crankcase with new oil to full mark on dipstick (see Section 6-2).
4 Fuel Filter
5 Fuel Line
Replace line if cracked or worn.
Install new filter. Wipe up any spilled fuel.
Access the parts list for your equipment in MaintainX.
Seal
168 640
Seal
164 928
Panel
169 329
Pan
159 906
Upright
159 914
Seal
168 640
Seal
164 928
Panel
169 329
Pan
159 906
Upright
159 914
Seal
168 640
Seal
164 928
Panel
169 329
Pan
159 906
Upright
159 914
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Ensure your team follows consistent procedures to minimize equipment failures and costly delays.
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