Miller Electric Bobcat 225G Owner's Manual

OWNER’SMANUALJanuary 1997 Form: OM-175 104BEffective With Serial No. KG191348cover_om 4/95 – Ref. ST-801 188-A PRINTED IN USA 1997 MILLER Electric Mf

OM-175 104 Page 8SECTION 4 – OPERATING WELDING GENERATOR4-1. Front Panel ControlsRef. ST-178 079-A1 Engine Control SwitchUse switch to start engine, s

OM-175 104 Page 94-2. Duty CycleSB-119 454-ADuty cycle is the percentage of 10minutes that unit can weld at ratedload without overheating. Exceeding

OM-175 104 Page 10SECTION 5 – OPERATING AUXILIARY EQUIPMENT5-1. Standard ReceptaclesRef. ST-178 079-AAuxiliary power decreases asweld current increas

OM-175 104 Page 115-2. Optional Auxiliary Power ReceptaclesY If unit does not have GFCIreceptacles, use GFCI-pro-tected extension cord..Auxiliary powe

OM-175 104 Page 125-3. Wiring Optional 240 Volt PlugST-120 813-DThe plug can be wired for a 240 V,2-wire load or a 120/240V, 3-wireload. See circuit d

OM-175 104 Page 13SECTION 6 – MAINTENANCE AND TROUBLESHOOTING6-1. Routine MaintenanceRecycle enginefluids.YStop engine before maintaining..See also En

OM-175 104 Page 146-2. Maintenance LabelS-173 088°C+30+20+100-10-20-30°FKOHLER CH18 GAS ENGINECheck5W-20, 5W-300+3210W-30, 10W-40+100Recommended OilAP

OM-175 104 Page 156-4. Changing Engine Oil, Oil Filter, And Fuel FilterRef. ST-801 188-A / Ref. ST-801 221 / Ref. ST-178 079-A / ST-800 395 / S-0842

OM-175 104 Page 166-5. Adjusting Engine SpeedRef. ST-801 188-A / ST-801 209-AAfter tuning engine, check enginespeeds with a tachometer (seetable). If

OM-175 104 Page 176-6. Overload ProtectionST-801 226-A / Ref. ST-801 221Y Stop engine.1Fuse F1 (See Parts List)F1 protects the generator excita-tion c

OM-175 104B – 1/97TABLE OF CONTENTSSECTION 1 – SAFETY PRECAUTIONS FOR ARC WELDING 1. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 1

OM-175 104 Page 186-8. TroubleshootingA. WeldingTrouble RemedyNo weld output.Check control settings.Check weld connections.Check fuse F1 and replace i

OM-175 104 Page 19C. EngineTrouble RemedyEngine will not crank.Check fuse F6, and replace if open (see Section 6-6).Check battery voltage.Check batter

OM-175 104 Page 20SECTION 7 – ELECTRICAL DIAGRAMSB-180 690-BFigure 7-1. Circuit Diagram For Welding Generator

OM-175 104 Page 22SECTION 8 – PARTS LIST1234567891014111315232134364142Fig 8-2Fig 8-3Figure 8-1. Main AssemblyST-801 432-B2216171819202425262728293031

OM-175 104 Page 23DescriptionPartNo.Dia.Mkgs.ItemNo.Figure 8-1. Main AssemblyQuantity1 +159 907COVER, top1. . . . . . . . . . . . . . . . . . . . .

OM-175 104 Page 24DescriptionPartNo.Dia.Mkgs.ItemNo.Figure 8-2. Panel, Front w/Components (Fig 8-1 Item 44)Quantity1 S1 162 671 SWITCH, polarity 5 pos

OM-175 104 Page 25DescriptionPartNo.ItemNo.Figure 8-3. Generator (Fig 8-1 Item 21)Quantity1 013 367 LABEL, warning moving parts can cause serious inju

OM-175 104 Page 1SECTION 1 – SAFETY PRECAUTIONS FOR ARC WELDINGsafety_rom1 4/951-1. Symbol UsageMeans Warning! Watch Out! There are possible hazards w

OM-175 104 Page 2CYLINDERS can explode if damaged.Shielding gas cylinders contain gas under highpressure. If damaged, a cylinder can explode.Since gas

OM-175 104 Page 31-4. Additional Installation, Operation, And Maintenance HazardsMOVING PARTS can cause injury.1. Before working of generator, remove

OM-175 104 Page 4SECTION 2 – DEFINITIONS2-1. Symbol DefinitionsStop EngineFast(Run, Weld/Power)Fast/Slow(Run/Idle)Slow (Idle)Start EngineRead Operator

OM-175 104 Page 5SECTION 3 – INSTALLATION3-1. Installing Welding Generatorinstall1* 3/96 – Ref. ST-800 652 / Ref. ST-800 477-A / ST-158 936-A / S-0854

OM-175 104 Page 63-3. Fuel ConsumptionRef. SB-179 9390.00.30.50.81.01.31.51.82.00 25 50 75 100 125 150 175 200 225 250 2757.576.625.674.733.782.841.89

OM-175 104 Page 73-5. Connecting The BatteryRef. ST-800 394-B / Ref. ST-178 079-A / Ref. S-0756-D+–3/8, 1/2 inConnect (–) cable last.Tools Needed:3-6