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OM-4434 Page 56

13-11. Selecting Extension Cord (Use Shortest Cord Possible)

Cord Lengths for 120 Volt Loads

If unit does not have GFCI receptacles, use GFCI-protected extension cord.

Maximum Allowable Cord Length in ft (m) for Conductor Size (AWG)*

Current 

(Amperes)

Load (Watts)

4

6

8

10

12

14

5

600

350 (106)

225 (68)

137 (42)

100 (30)

7

840

400 (122)

250 (76)

150 (46)

100 (30)

62 (19)

10

1200

400 (122)

275 (84)

175 (53)

112 (34)

62 (19)

50 (15)

15

1800

300 (91)

175 (53)

112 (34)

75 (23)

37 (11)

30 (9)

20

2400

225 (68)

137 (42)

87 (26)

50 (15)

30 (9)

25

3000

175 (53)

112 (34)

62 (19)

37 (11)

30

3600

150 (46)

87 (26)

50 (15)

37 (11)

35

4200

125 (38)

75 (23)

50 (15)

40

4800

112 (34)

62 (19)

37 (11)

45

5400

100 (30)

62 (19)

50

6000

87 (26)

50 (15)

*Conductor size is based on maximum 2% voltage drop

Cord Lengths for 240 Volt Loads

If unit does not have GFCI receptacles, use GFCI-protected extension cord.

Maximum Allowable Cord Length in ft (m) for Conductor Size (AWG)*

Current

(Amperes)

Load (Watts)

4

6

8

10

12

14

5

1200

700 (213)

450 (137)

225 (84)

200 (61)

7

1680

800 (244)

500 (152)

300 (91)

200 (61)

125 (38)

10

2400

800 (244)

550 (168)

350 (107)

225 (69)

125 (38)

100 (31)

15

3600

600 (183)

350 (107)

225 (69)

150 (46)

75 (23)

60 (18)

20

4800

450 (137)

275 (84)

175 (53)

100 (31)

60 (18)

25

6000

350 (107)

225 (69)

125 (38)

75 (23)

30

7000

300 (91)

175 (53)

100 (31)

75 (23)

35

8400

250 (76)

150 (46)

100 (31)

40

9600

225 (69)

125 (38)

75 (23)

45

10,800

200 (61)

125 (38)

50

12,000

175 (53)

100 (31)

*Conductor size is based on maximum 2% voltage drop

Содержание Bobcat 225

Страница 1: ...s Description Non Critical TIG GTAW Welding Stick SMAW Welding MIG GMAW Welding Flux Cored FCAW Welding Engine Driven Welding Generator OM 4434 218 653J 2007 11 Visit our website at www MillerWelds co...

Страница 2: ...inue the tradition They re just as committed to providing equipment and service that meets the high standards of quality and value established in 1929 This Owner s Manual is designed to help you get t...

Страница 3: ...uel Consumption Kohler Powered Units 14 4 6 Volt Ampere Curves 15 4 7 Generator Power Curve 16 4 8 Duty Cycle 16 SECTION 5 INSTALLATION 17 5 1 Installing Welding Generator 17 5 2 Engine Prestart Check...

Страница 4: ...roubleshooting 46 SECTION 11 PARTS LIST 47 11 1 Recommended Spare Parts 47 SECTION 12 ELECTRICAL DIAGRAMS 48 SECTION 13 GENERATOR POWER GUIDELINES 50 SECTION 14 STICK WELDING SMAW GUIDELINES 57 SECTIO...

Страница 5: ...risk of unavoid able or accidental contact with the workpiece or ground For these conditions use the following equipment in order presented 1 a semiautomaticDC constant voltage wire welder 2 a DC man...

Страница 6: ...ing can easily go through small cracks and openings to adjacent areas Watch for fire and keep a fire extinguisher nearby Be aware that welding on a ceiling floor bulkhead or partition can cause fire o...

Страница 7: ...s bare handed Allow cooling period before working on equip ment To handle hot parts use proper tools and or wear heavy insulated welding gloves and clothing to prevent burns STEAM AND HOT COOLANT can...

Страница 8: ...ge and frequency caused by low engine speed damage electric motors Do not connect 50 or 60 Hertz motors to the 100 Hertz receptacle where applicable FLYING SPARKS can cause injury Wear a face shield t...

Страница 9: ...tion Association P O Box 9101 Quincy MA 02269 9101 phone 617 770 3000 website www nfpa org and www sparky org Safe Handling of Compressed Gases in Cylinders CGA Pamphlet P 1 from Compressed Gas Assoc...

Страница 10: ...l utilisation d une source lectrique courant lectrique s av re n cessaire se servir de la fonction de t l commande si l appareil en est quip Des pr cautions de s curit suppl mentaires sont requises da...

Страница 11: ...provoquer des br lure dans les yeux et sur la peau Des tincelles sont projet es pendant le soudage Porter un casque de soudage approuv muni de verres filtrants appropri pour prot ger visage et yeux pe...

Страница 12: ...oquer des tincelles avec les outils en travaillant sur la batterie Ne pas utiliser le poste de soudage pour charger les batteries ou des v hicules de d marrage rapide Observer la polarit correcte et s...

Страница 13: ...me avant d effectuer la maintenance avant de changer ou de rajouter des l ments ou avant d ouvrir la purge ou le bouchon de remplissage d huile Le METAL CHAUD lors du coupage et gougeage plasma peut...

Страница 14: ...INSTRUCTIONS Lisez le manuel d instructions avant l utilisation ou la maintenance de l appareil N utiliser que les pi ces de rechange recom mand es par le constructeur Effectuer la maintenance et le s...

Страница 15: ...ican National Standards Institute 11 West 43rd Street New York NY 10036 8002 t l phone 212 642 4900 site Internet www ansi org Standard for Fire Prevention During Welding Cutting and Other Hot Work NF...

Страница 16: ...u Robin EH 65 or a Kohler CH 23 engine Differences between models are noted throughout this manual Welding Mode Weld Output Range Rated Welding Output Maximum Open Circuit Voltage Generator Power Rati...

Страница 17: ...unit where it could tip C 1 3 4 in 44 mm 4 Holes tip D 6 1 16 in 154 mm E F E 32 3 4 in 832 mm F 25 F 45 3 8 in 1153 mm 25 G 13 32 in 10 mm Dia 25 25 Weight 25 25 25 Subaru Robin PoweredUnit 560 lb 25...

Страница 18: ...ect about 20 hours of op eration Welding at 150 amps at 40 duty cycle uses approximately 3 4 gal lon per hour or about 16 hours of operation 4 5 Fuel Consumption Kohler Powered Units 179 939 On a typi...

Страница 19: ...Volt Ampere Curves 166 024 A 166 025 A 166 026 A The volt ampere curve shows the minimum and maximum voltage and amperage output capabilities of the welding generator Curves of all other settings fal...

Страница 20: ...ows the generator power in amperes available at the receptacles Continuous Welding 4 8 Duty Cycle 119 454 A Duty cycle is the percentage of 10 minutes that unit can weld at rated load without overheat...

Страница 21: ...Do not install unit where air flow is restricted or engine may overheat Mounting 1 Cross Supports Mount unit on flat surface or use cross supports to support base Grounding 2 Equipment Grounding Term...

Страница 22: ...he oil pressure shutdown system to monitor oil level Fuel To help prime the fuel system at ini tial start up fill tank with fresh fuel see maintenance label for specifi cations Always leave filler nec...

Страница 23: ...ure shutdown system to monitor oil level Fuel To help prime the fuel system at ini tial start up fill tank with fresh fuel see maintenance label for specifi cations Always leave filler neck empty to a...

Страница 24: ...way from exhaust outlet Point exhaust pipe in desired di rection but always away from front panel and direction of trav el Be sure to tighten exhaust clamp nuts Exhaust clamp supplied with muffler Too...

Страница 25: ...ly connect weld cables may cause exces sive heat and start a fire or damage your machine 3 Weld Output Terminal 4 Supplied Weld Output Terminal Nut 5 Weld Cable Terminal 6 Copper Bar Remove supplied n...

Страница 26: ...t use worn damaged under sized or poorly spliced cables 300 1 50 1 0 60 2 0 70 3 0 95 4 0 120 2 ea 2 0 2x70 2 ea 3 0 2x95 2 ea 3 0 2x95 spliced cables 350 1 0 60 2 0 70 3 0 95 4 0 120 2 ea 2 0 2x70 2...

Страница 27: ...A complete Parts List is available at www MillerWelds com OM 4434 Page 23 Notes...

Страница 28: ...terval To reset cycle Engine Control switch from Run Idle to Run three times within five sec onds engine off 4 Weld Process Selector Switch NOTICE Do not switch under load Use switch to select type of...

Страница 29: ...This may cause vacuum line freezing oil breather tube freezing or ice in the carburetor All of these cause operating problems Due to ice in the lines the engine may not restart until it is warmed to...

Страница 30: ...cable to Elec trode terminal on welding generator Be sure to use the correct size weld cables see Section 5 7 For best performance set the Coarse Range switch to the low est range that covers the des...

Страница 31: ...terminal Be sure to use the correct size weld cables see Section 5 7 Loosen MIG gun securing knob Insert gun end through opening in feeder and position as close as possible to drive rolls without touc...

Страница 32: ...n sert gun end through opening in feed er and position as close as possible to drive rolls without touching Tight en knob See wire feeder manual for wire threading procedure Insert gun trigger plug it...

Страница 33: ...eld ter minal item 6 Connect work cable to welding generator Work terminal Insert trigger control plug item 11 into weld control receptacle Tighten threaded collar Connect ac power cord item 12 to 120...

Страница 34: ...le phase power at weld power speed Maximum output from RC2 or RC3 is 2 4 kVA kW 4 Supplementary Protector CB1 CB1 protects receptacles RC1 RC2 and RC3 from overload If CB1 opens the receptacles do not...

Страница 35: ...A kW Circuit protection is the same as standard receptacles If a ground fault is detected the GFCI Reset button pops out and the circuit opens to dis connect the faulty equipment Check for damaged too...

Страница 36: ...3 D The plug can be wired for a 240 V 2 wire load or a 120 240V 3 wire load See circuit diagram 1 Plug Wired for 120 240 V 3 Wire Load When wired for 120 V loads each duplex receptacle shares a load w...

Страница 37: ...A complete Parts List is available at www MillerWelds com OM 4434 Page 33 SECTION 8 MAINTENANCE SUBARU ROBIN POWERED UNITS 8 1 Maintenance Label Subaru Robin Powered Units...

Страница 38: ...e Clean Replace To be done by Factory Authorized Service Agent Reference Every 8 Hours Section 5 2 Fuel Level Oil Level Oil Fuel Spills Every 20 Hours Section 8 4 Spark Arrestor Screen Every 25 Hours...

Страница 39: ...tablespoon SAE 30 oil evenly into precleaner Squeeze out excess oil 2 Element Replace element if damaged dirty or oily 8 3 Servicing Air Cleaner Subaru Robin Powered Units aircleaner3 11 04 803 070 S...

Страница 40: ...lter Change engine oil and filter accord ing to engine owner s manual Close valve and valve cap before adding oil and running engine Fill crankcase with new oil to full mark on dipstick see Section 5...

Страница 41: ...ing Screws 3 Idle Speed Screw Loosen mounting screws Adjust solenoid position so engine runs at idle speed If necessary back out idle speed screw so solenoid can be moved to correct position Tight en...

Страница 42: ...low 3 Fuse F6 See Section 11 1 F6 protects the engine wiring sys tem from overload If F6 opens engine will not crank Replace any open fuses Reinstall cover before operating NOTICE If a fuse opens it...

Страница 43: ...A complete Parts List is available at www MillerWelds com OM 4434 Page 39 SECTION 9 MAINTENANCE KOHLER POWERED UNITS 9 1 Maintenance Label Kohler Powered Units...

Страница 44: ...Change Clean Replace To be done by Factory Authorized Service Agent Reference Every 8 Hours Section 5 3 Fuel Level Oil Level Oil Fuel Spills Every 20 Hours Section 9 7 Spark Arrestor Screen Every 25 H...

Страница 45: ...ith soap and wa ter solution Allow precleaner to air dry completely Spread 1 tablespoon SAE 30 oil evenly into precleaner Squeeze out excess oil 2 Element Replace element if damaged dirty or oily 9 3...

Страница 46: ...Filter Change engine oil and filter accord ing to engine owner s manual Close valve and valve cap before adding oil and running engine Fill crankcase with new oil to full mark on dipstick see Section...

Страница 47: ...on 1 Throttle Solenoid 2 Mounting Screws 3 Idle Speed Screw Loosen mounting screws Adjust solenoid position so engine runs at idle speed If necessary back out idle speed screw so solenoid can be moved...

Страница 48: ...e F6 See Section 11 1 F6 protects the engine wiring sys tem from overload If F6 opens engine will not crank Replace any open fuses Reinstall cover before operating If a fuse opens it usually indi cate...

Страница 49: ...vice air cleaner according to engine manual Have Factory Authorized Service Agent check brushes slip rings capacitor C1 and integrated rectifi ers SR2 and SR3 High weld output Check control settings C...

Страница 50: ...e Section 8 7 or 9 6 Check battery voltage Check battery connections and tighten if necessary Check plug PLG4 and plug PLG8 connections Have Factory Authorized Service Agent check Engine Control switc...

Страница 51: ...al Engine does not return to idle speed Remove weld and generator power loads Check throttle linkage for smooth non binding operation Have Factory Authorized Service Agent check hour meter idle module...

Страница 52: ...OM 4434 Page 48 SECTION 12 ELECTRICAL DIAGRAMS Figure 12 1 Circuit Diagram For Welding Generator...

Страница 53: ...OM 4434 Page 49 228 461 A...

Страница 54: ...ctric shock and static electricity hazards Also see AWS Safety Health Fact Sheet No 29 Grounding of Portable And Vehicle Mounted Welding Generators 1 EquipmentGrounding Terminal On Front Panel 2 Groun...

Страница 55: ...load and requires a constant amount of power 2 Non Resistive Load Equipment with a motor is a non re sistive load and requires approxi mately six times more power while starting the motor than when r...

Страница 56: ...Home Equipment Rating Starting Watts Running Watts Stock Tank De Icer 1000 1000 Grain Cleaner 1 4 HP 1650 650 Portable Conveyor 1 2 HP 3400 1000 Grain Elevator 3 4 HP 4400 1400 Milk Cooler 2900 1100 M...

Страница 57: ...P 6000 1500 1 1 2 HP 8200 2200 2 HP 10500 2800 Electric Chain Saw 1 1 2 HP 12 in 1100 1100 2 HP 14 in 1100 1100 Electric Trimmer Standard 9 in 350 350 Heavy Duty 12 in 500 500 Electric Cultivator 1 3...

Страница 58: ...must be at least twice the motor s running amperage kVA HP x HP x 1000 Volts Starting Amperage Example Calculate starting amper age required for a 230 V 1 4 HP mo tor with a motor start code of M Volt...

Страница 59: ...to electric utility when service is re stored Install correct switch customer supplied Switch rating must be same as or greater than the branch overcurrent protection 3 Fused Disconnect Switch Install...

Страница 60: ...15 40 4800 112 34 62 19 37 11 45 5400 100 30 62 19 50 6000 87 26 50 15 Conductor size is based on maximum 2 voltage drop Cord Lengths for 240 Volt Loads If unit does not have GFCI receptacles use GFC...

Страница 61: ...d Electrode Holder 5 Electrode Holder Position 6 Arc Length Arc length is the distance from the electrode to the workpiece A short arc with correct amperage will give a sharp crackling sound 7 Slag Us...

Страница 62: ...LET ALL ALL EP EP EP EN EP EN EP EP EN EP EP 6010 6011 6013 7014 7018 7024 NI CL 308L EP ELECTRODE POSITIVE REVERSE POLARITY EN ELECTRODE NEGATIVE STRAIGHT POLARITY ELECTRODE AMPERAGE RANGE DIAMETER 1...

Страница 63: ...14 6 Poor Weld Bead Characteristics S 0053 A 1 Large Spatter Deposits 2 Rough Uneven Bead 3 Slight Crater During Welding 4 Bad Overlap 5 Poor Penetration 5 4 2 3 1 14 7 Good Weld Bead Characteristics...

Страница 64: ...orrect Angle 14 9 Electrode Movement During Welding Normally a single stringer bead is satisfactory for most narrow groove weld joints however for wide groove weld joints or bridging across gaps a wea...

Страница 65: ...3 4 14 11 Lap Joint S 0063 S 0064 1 Electrode 2 Single LayerFillet Weld Move electrode in circular motion 3 Multi Layer Fillet Weld Weld a second layer when a heavi er fillet is needed Remove slag be...

Страница 66: ...Causes Corrective Actions Arc length too long Reduce arc length Damp electrode Use dry electrode Workpiece dirty Remove all grease oil moisture rust paint coatings slag and dirt from work surface bef...

Страница 67: ...dirt from work surface before welding 14 17 Troubleshooting Lack Of Penetration Lack Of Penetration shallow fusion between weld metal and base metal Lack of Penetration Good Penetration Possible Caus...

Страница 68: ...llel and does not cover joint formed by base metal Possible Causes Corrective Actions Unsteady hand Use two hands Practice technique 14 21 Troubleshooting Distortion Distortion contraction of weld met...

Страница 69: ...ptional gas valve Voltage Sensing Wire Feeder Constant Current CC Or Constant Voltage CV Power Source Work Lead Electrode Lead Workpiece Work Clamp Voltage Sensing Clamp Gun 802 488 15 2 Holding And P...

Страница 70: ...lectrode extension stickout travel speed thickness of base metal wire feed speed weld current and voltage Short Normal Long Short Normal Long 10 10 GUN ANGLES AND WELD BEAD PROFILES ELECTRODE EXTENSIO...

Страница 71: ...Along Seam 3 Weave Patterns Use weave patterns to cover a wide area in one pass of the electrode S 0054 A 3 1 2 15 5 Poor Weld Bead Characteristics 1 Large Spatter Deposits 2 Rough Uneven Bead 3 Sligh...

Страница 72: ...nsufficient shielding gas at welding arc Increase flow of shielding gas at regulator flowmeter and or prevent drafts near welding arc Remove spatter from gun nozzle Check gas hoses for leaks Place noz...

Страница 73: ...n Incomplete Fusion failure of weld metal to fuse completely with base metal or a preceeding weld bead S 0637 Possible Causes Corrective Actions Workpiece dirty Remove all grease oil moisture rust pai...

Страница 74: ...pport hand on solid surface or use two hands 15 14 Troubleshooting Distortion Distortion contraction of weld metal during welding that forces base metal to move Base metal moves in the direction of th...

Страница 75: ...uminum Short Circuiting Aluminum Argon All Positions5 All Positions Argon 1 O2 Flat Horizontal5 Fillet Flat Horizontal5 Fillet Argon 2 O2 Flat Horizontal5 Fillet Flat Horizontal5 Fillet Argon 5 O2 Fla...

Страница 76: ...Notes...

Страница 77: ...nduction Heating Coils and Blankets Cables and Non Electronic Controls APT SAF Model Plasma Cutting Torches Remote Controls Accessory Kits Replacement Parts No labor Spoolmate Spoolguns Canvas Covers...

Страница 78: ...retain with your personal records Always provide Model Name and Serial Style Number Contact a DISTRIBUTOR or SERVICE AGENCY near you Welding Supplies and Consumables Options and Accessories Personal...

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