Miller Electric 280 NT Page 25 Owner'S Manual Download | Manualshive

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A complete Parts List is available at www.MillerWelds.com

OM-4430 Page 21

5-4. Installing Exhaust Pipe

Ref 216 172-D / 803 891

!

Stop engine and let cool.

!

Engine backfire can cause se-

vere burns or other injuries.

Do not point exhaust pipe to-

ward control panel. Keep away

from exhaust outlet.

!

Point exhaust pipe in desired

direction but always away

from front panel and direction

of travel.

Tools Needed:

1/2 in

Notes

Work like a Pro!

Pros weld and cut

safely. Read the

safety rules at
the beginning
of this manual.

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Summary of Contents for 280 NT

Page 1: ...scription TIG GTAW Welding Stick SMAW Welding MIG GMAW Welding Flux Cored FCAW Welding With Voltage Sensing Feeder Engine Driven Welding Generator OM 4430 217 243R 2007 04 File Engine Drive Visit our...

Page 2: ...tinue 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...

Page 3: ...imensions For Units With Optional Running Gear 14 4 5 Fuel Consumption While Welding And Using Generator Power 14 4 6 Generator Power Curve 15 4 7 Duty Cycle 16 4 8 TIG Mode Volt Ampere Curves 16 4 9...

Page 4: ...stor 35 8 4 Servicing Air Cleaner 35 8 5 Changing Engine Oil Oil Filter And Fuel Filter 36 8 6 Overload Protection 37 8 7 Troubleshooting 38 SECTION 9 PARTS LIST 41 9 1 Recommended Spare Parts 41 SECT...

Page 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...

Page 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...

Page 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...

Page 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...

Page 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...

Page 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...

Page 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...

Page 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...

Page 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...

Page 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...

Page 15: ...onal 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 NFPA Standa...

Page 16: ...nce Battery Engine Engine Read Operator s Manual A Amperes V Volts MIG GMAW Wire Stick SMAW TIG GTAW Circuit Protector Positive Negative Alternating Current AC Output Time h Hours s Seconds Protective...

Page 17: ...100 Duty Cycle 50 20 300 A 13 35 V 5 5 kVA kW Peak 5 kVA kW Continuous 42 21 A 120 240 V AC 60 Hz Single Phase at 1800 rpm 12 gal 45 L Kohler CH 23 Air Cooled Two Cylinder Four Cycle CV DC 300 A 25 V...

Page 18: ...r 207 967 3000 RPM Weld 0 00 0 25 0 50 0 75 1 00 1 25 1 50 1 75 2 00 0 100 150 200 250 300 DC WELD AMPERES AT 100 DUTY CYCLE U S GAL HR 1 98 0 95 2 84 3 78 5 67 4 73 6 62 7 57 LITERS HR 0 00 3600 RPM...

Page 19: ...power avail able in amperes at the receptacles 4 6 Generator Power Curve AC AMPERES AC VOLTS 0 5 10 15 20 25 30 0 50 100 150 200 250 300 Notes BUTT BUTT BUTT BUTT T JOINT T JOINT T JOINT T JOINT FILL...

Page 20: ...C CC Continuous Welding 4 7 Duty Cycle Ref 207 925 0 10 20 30 40 50 60 100 70 80 90 150 175 200 225 250 275 300 DUTY CYCLE WELD AMPERES 325 MIG FCAW STICK 222 558 The volt ampere curves show the minim...

Page 21: ...mperage output capabilities of the welding generator Curves of other settings fall between the curves shown A CC DC Stick Mode B CV DC MIG Mode 4 9 Stick And MIG Mode Volt Ampere Curves DC AMPERES DC...

Page 22: ...Do not install unit where air flow is restricted or engine may over heat Mounting 1 Cross Supports Mount unit on flat surface or use cross supports to support base Grounding 2 Equipment Grounding Ter...

Page 23: ...ime see maintenance label for specifications Always leave filler neck empty to allow room for expan sion Check fuel level on a cold engine before use each day To check fuel level turn Engine Control s...

Page 24: ...com OM 4430 Page 20 5 3 Connecting Or Replacing The Battery Connect negative cable last 803 847 803 849 Ref S 0756 D Ref 216 172 D Ref 803 983 A 3 8 1 2 in Tools Needed Replacing The Battery Remove en...

Page 25: ...gine backfire can cause se vere burns or other injuries Do not point exhaust pipe to ward control panel Keep away from exhaust outlet Point exhaust pipe in desired direction but always away from front...

Page 26: ...inal and elec trode holder to Negative terminal Failure to properly connect weld cables may cause exces sive heat and start a fire or damage your machine 4 Weld Output Terminal 5 Supplied Weld Output...

Page 27: ...70 3 0 95 4 0 120 2 ea 2 0 2x70 2 ea 3 0 2x95 2 ea 4 0 2x120 2 ea 4 0 2x120 This chart is a general guideline and may not suit all applications If cable overheats use next size larger cable Weld cabl...

Page 28: ...amperage when welding and for five seconds after welding has stopped Meter Engine Maintenance Functions Meters display engine hours when Engine Control switch is in the Run Idle 3600 2400 position but...

Page 29: ...engine auto idle func tion Place switch in Generator Lock position when not welding to lock engine speed at 1800 rpm for generator power at 60 Hz ac re ceptacles RC1 and RC2 generator power is always...

Page 30: ...frequency as engine rpms change during start up and shutdown 1800 rpm Power Speed Continuous No Load 2400 rpm Idle Speed Load 3600 rpm Weld Speed Either Run Idle position Engine Controls Engine Speed...

Page 31: ...e arc snap and reduces the potential for electrode sticking at shorter arc lengths Medium Stiff Arc Position 3 This setting provides medium dig arc force for open root vertical up joints or joints tha...

Page 32: ...Arc starting method as follows Lift Arc TIG 1 TIG Electrode 2 Workpiece Turn gas on Touch tungsten electrode to workpiece at weld start point Hold electrode to workpiece for 1 second and slowly lift e...

Page 33: ...ontrolled through remote control only 2 Remote Hand Control Optional 3 Remote Foot Control Optional Engine runs at weld power speed in Wire and TIG mode whenever a device connected to the remote recep...

Page 34: ...AC Duplex Receptacle RC2 RC2 supplies 60 Hz single phase power at 1800 rpm Maximum output from RC2 is 2 4 kVA kW 20 A at 120 volts ac 3 Supplementary Protector CB1 CB1 protects receptacles RC1 and RC2...

Page 35: ...er continuously Frequency Hz of generator power output changes with engine speed Total output avail able is 2 4 kVA kW 2 Supplementary Protector CB3 CB3 protects receptacle RC3 and 115 volt ac output...

Page 36: ...d When wired for 120 V loads each duplex receptacle shares a load with one half of 240 V receptacle 2 Plug Wired for 240 V 2 Wire Load 3 Neutral Silver Terminal 4 Load 1 Brass Terminal 5 Load 2 Brass...

Page 37: ...ervice engine more often if used in severe conditions Recycle engine fluids Check Change Clean Replace To be done by Factory Authorized Service Agent Reference Every 8 Hours Section 5 2 Fuel Level Oil...

Page 38: ...complete Parts List is available at www MillerWelds com OM 4430 Page 34 8 2 Maintenance Label Follow the storage procedure in the engine owner s manual if the unit will not be used for an extended per...

Page 39: ...Spark Arrestor 1 4 in 803 983 A Ref 216 172 D Tools Needed 1 8 4 Servicing Air Cleaner aircleaner3 11 04 802 772 S 0759 Stop engine NOTICE Do not run engine with out air cleaner or with dirty element...

Page 40: ...engine oil and filter accord ing to engine manual NOTICE Close valve and valve cap before adding oil and running engine Fill crankcase with new oil to full mark on dipstick see Section 8 2 3 Fuel Fil...

Page 41: ...4 protects the stator winding supplying 24 volt ac output to Re mote receptacle RC4 If CB4 opens 24 volt ac output to RC4 stops SupplementaryProtector CB3 protect the stator winding sup plying 115 vol...

Page 42: ...ngs and circuit boards PC1 and PC2 See engine manual High weld output Check control settings Check for obstructed movement of solenoid linkage Have Factory Authorized Service Agent check circuit board...

Page 43: ...Generator Lock position to run engine at 1800 rpm 60 Hz receptacles RC1 and RC2 work only at 1800 rpm Check receptacle wiring and connections Have Factory Authorized Service Agent check brushes slip...

Page 44: ...ck voltage regulator according to engine manual Engine stopped during normal operation Check fuel level see Section 5 2 Check oil level see Section 5 2 Low oil pressure shutdown stops engine if oil pr...

Page 45: ...Fuel In line 250 Kohler 1 230015 Tune up Filter Kit Kohler Includes 1 230016 Air Filter Element Kohler 1 066698 Oil Filter Kohler 1 215985 Filter Fuel w Clamps 1 4 in Fuel Line 1 067007 Spark Plug 2...

Page 46: ...OM 4430 Page 42 SECTION 10 ELECTRICAL DIAGRAMS Figure 10 1 Circuit Diagram For Welding Generator Models...

Page 47: ...OM 4430 Page 43 232 961 A...

Page 48: ...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...

Page 49: ...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...

Page 50: ...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...

Page 51: ...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...

Page 52: ...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...

Page 53: ...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...

Page 54: ...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...

Page 55: ...62 in 10 mm 10 mm 5 16 in 3125 in 1 2 in 9 16 in 8 mm 3150 in 14 mm 14 mm 3 8 in 375 in 9 16 in 5 8 in 10 mm 3937 in 17 mm 17 mm 7 16 in 4375 in 5 8 in 3 4 in 12 mm 4724 in 19 mm 19 mm 1 2 in 500 in 3...

Page 56: ...OM 4430 Page 52 Notes Welding Symbols Ref AWS ANSI A2 4...

Page 57: ......

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Page 59: ...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...

Page 60: ...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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