Name: Miller Bobcat 260
Brand: Miller
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OWNER’S MANUAL

OM-286504M

2023-05

Processes

Stick (SMAW) Welding

MIG (GMAW) Welding

Flux Cored (FCAW) Welding

TIG (GTAW) Welding

Description

Engine Driven Welder/Generator

For product information,

Owner’s Manual translations,

and more, visit

www.MillerWelds.com

Bobcat

™

260

Table of Contents3
Section 1 - Safety Precautions - Read before Using5
Symbol Usage5
Arc Welding Hazards5
Engine Hazards7
Compressed Air Hazards8
Additional Hazards for Installation, Operation, and Maintenance8
California Proposition 65 Warnings10
Principal Safety Standards10
EMF Information10
Section 2 - Consignes de Sécurité - Lire Avant Utilisation11
Symboles Utilisés11
Dangers Relatifs au Soudage à L'arc11
Dangers Existant en Relation Avec le Moteur13
Dangers Liés à L'air Comprimé14
Symboles de Dangers Supplémentaires en Relation Avec L'installation, le Fonctionnement et la Maintenance15
Proposition Californienne 65 Avertissements17
Principales Normes de Sécurité17
Informations Relatives aux CEM17
Section 3 - Definitions19
Additional Safety Symbol Definitions19
Miscellaneous Symbol Definitions19
Section 4 - Specifications21
Serial Number and Rating Label Location21
Software Licensing Agreement21
Information about Default Weld Parameters and Settings21
Weld, Power, and Carbureted Engine Specifications (Kohler CH730)21
Weld, Power, and EFI Engine Specifications (Kohler ECH730)21
Environmental Specifications21
Wireless Remote Regulatory Approval22
Duty Cycle and Overheating22
Dimensions, Weights, and Operating Angles23
4-10. Fuel Consumption24
4-11. Generator Power Curve24
4-12. Volt-Ampere Curves25
Section 5 - Installation26
Installing Welder/Generator26
1-1. Grounding Generator to Truck or Trailer Frame27
Installing Exhaust Pipe27
Engine Prestart Checks28
Connecting or Replacing the Battery29
Electronic Fuel Injection (EFI) System and Battery Information29
Weld Output Terminals30
Connecting Weld Output Cables30
Selecting Cable Sizes31
Section 6 - Operation32
Front Panel Controls32
Using Wireless Remote (if Equipped)33
Cold Weather Engine Operation34
Typical Stick Welding Connections and Control Settings35
Typical MIG Welding Connections and Settings36
Typical MIG Connections and Settings Using Weld Control and Spoolgun38
Fuel/Hour Gauge Descriptions39
Section 7 - Operating Auxiliary Equipment40
Generator Power Receptacles40
GFCI Receptacle Information, Resetting, and Testing41
Simultaneous Weld and Power42
Wiring Instructions for Optional 240 Volt, Single-Phase Plug (NEMA 14-50P)42
Section 8 - Maintenance and Troubleshooting43
Routine Maintenance43
Maintenance Label44
Servicing Air Cleaner45
Electronic Fuel Injection (EFI) System and Servicing Information45
Overload Protection46
Changing Engine Oil, Oil Filter, and Fuel Filter47
Adjusting Engine Speed (Kohler CH730 Carbureted Units)48
Adjusting Engine Speed (Kohler ECH730 EFI Units)49
Troubleshooting50
Section 9 - Parts List53
Recommended Spare Parts53
Section 10 - Electrical Diagrams54
Section 11 - Generator Power Guidelines57
Section 12 - Stick Welding (Smaw) Guidelines64
Section 13 - Gmaw Welding (Mig) Guidelines When Using a Voltage-Sensing Feeder72

Brand	Miller
Model	Bobcat 260
Category	Welding System
Language	English

Miller Bobcat 260 User Manual

Table of Contents

Questions and Answers:

Miller Bobcat 260 Specifications

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