Gebruiksaanwijzing /service van het product 280 NT van de fabrikant Hobart Welding Products
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Processes Description TIG (GT A W ) W elding Stick (SMAW ) W elding MIG (GMAW ) W elding Flux Cored (FCAW) Engine Driven Welding Generator OM-4402 199101 March 2000 Arcstar 280 NT Air Plasma Cutting and Gouging with Spectrum Unit Air Carbon Arc (CAC-A) Cutting and Gouging Visit our website at www.
Hobart W elders manufactures a full line of welders and welding related equipment. For information on other quality Hobart products, contact your local Hobart distributor to receive the latest full line catalog or individual catalog sheets. T o locate your nearest distributor or service agency call 1-877-Hobart1.
The following terms are used interchangeably throughout this manual: MIG = GMAW , Wire W elding TIG = GT AW Stick = SMAW The engine exhaust from this product contains chemicals known to the State of California to cause cancer , birth defects, or other reproductive harm.
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OM-4402 Page 1 SECTION 1 – SAFETY PRECAUTIONS - READ BEFORE USING rom _nd_1 1/98 1-1. Symbol Usage Means W arning! W atch Out! There are possible hazards with this procedure! The possible hazards are shown in the adjoining symbols. Marks a special safety message.
OM-4402 Page 2 W elding on closed containers, such as tanks, drums, or pipes, can cause them to blow up. Sparks c a n fly off from the welding arc. The flying sparks, hot workpiece, and hot equipment can cause fires and burns. Accidental contact of electrode to metal objects can cause sparks, explosion, overheating, or fire.
OM-4402 Page 3 MOVING P ARTS can cause injury . Keep away from fans, belts, and rotors. Keep all doors, panels, covers, and guards closed and securely in place. Stop engine before installing or connecting unit. Have only qualified people remove guards or covers for maint- enance and troubleshooting as necessary .
OM-4402 Page 4 H. F . RADIA TION can cause interference. High-frequency (H.F .) can interfere with radio navigation, safety services, computers, and communications equipment. Have only qualified persons familiar with electronic equipment perform this installation.
OM-4402 Page 5 SECTION 1 – CONSIGNES DE SÉCURITÉ – LIRE A V ANT UTILISA TION rom _nd_fre 1 1/98 1-1. Signification des symboles Signifie Mise en garde ! Soyez vigilant ! Cette procédure présente des risques de danger ! Ceux-ci sont identifiés par des symboles adjacents aux directives.
OM-4402 Page 6 Le soudage effectué sur des conteneurs fermés tels que des réservoirs, tambours ou des conduites peut provoquer leur éclatement. Des étincelles peuvent être projetées de l’arc de soudure. La projection d’étincelles, des pièces chaudes et des équipements chauds peut provoquer des incendies et des brûlures.
OM-4402 Page 7 DES ORGANES MOBILES peuvent provoquer des blessures. Ne pas approcher les mains des ventilateurs, cour- roies et autres pièces en mouvement. Maintenir fermés et fixement en place les portes, panneaux, recouvrements et dispositifs de protection.
OM-4402 Page 8 LE RA YONNEMENT HAUTE FRÉ- QUENCE (H.F .) risque de provoquer des interférences. Le rayonnement haute fréquence (H.F .) peut provoquer des interférences avec les équipements de radio–navigation et de communication, les services de sécurité et les ordinateurs.
OM-4402 Page 9 SECTION 2 – DEFINITIONS 2-1. Symbol Definitions Stop Engine Fast (Run, W eld/Power) Fast/Slow (Run/Idle) Slow (Idle) Start Engine Panel/Local T emperature Fuel Engine Oil On Check V a.
OM-4402 Page 10 3-2. Dimensions, W eights, and Operating Angles Dimensions A B Height 33 in (838 mm) A B C Width 18-3/4 in (476 mm) C Do not exceed tilt angles or engine could Depth 45-1/2 in ( 1 156 mm) D Do not exceed tilt angles or engine could be damaged or unit could tip.
OM-4402 Page 1 1 189 268 The ac auxiliary power curve shows the auxiliary power available in amperes at the receptacles. 3-4. Auxiliary Power Curve 0 20 40 60 80 100 120 140 160 0 20 40 60 80 100 120 .
OM-4402 Page 12 189 280 / 189 282-A / 189 265 The volt-ampere curves show the minimum and maximum voltage an d amperage output capabilities of the welding generator. Curves of other settings fall between the curves shown. A. CC/DC Mode B. CV/DC Mode C.
OM-4402 Page 13 SECTION 4 – INST ALLA TION install1 12/99 – Ref. 800 652 / Ref. 800 477-A / 158 936-A / S-0854 Do not weld on base. W eld- ing on base can cause fuel tank fire or explosion.
OM-4402 Page 14 4-3. Activating The Dry Charge Battery (If Applicable) Remove b attery from unit. 1 Eye Protection – Safety Glasses Or Face Shield 2 Rubber Gloves 3 V ent Caps 4 Sulfuric Acid Electrolyte (1.265 Specific Gravity) 5 W ell Fill each cell with electrolyte to bottom of well (maximum).
OM-4402 Page 15 4-4. Connecting The Battery Ref. 800 394-C / Ref. 198 912 / Ref. S-0756-D + – 3/8, 1/2 in Connect negative (–) cable last. T ools Needed: 4-5. Installing Exhaust Pipe 801 681 / Ref. 198 912 Point exhaust pipe in desired direction.
OM-4402 Page 16 4-7. Selecting W eld Cable Sizes T otal Cable (Copper) Length In Weld Circuit Not Exceeding W elding Amperes 100 ft (30 m) Or Less 150 ft (45 m) 200 ft (60 m) 250 ft (70 m) 300 ft (90 .
OM-4402 Page 17 4-9. Adjusting MIG Weld Puddle Consistency 801 944-C / Ref. 198 912 Stop engine. Stabilizer DC-Z is factory connected to suit most MIG (Wire W elding) applications. T o change MIG weld puddle consis- tency , pr oceed as follows: Remove lower front panel and side panel.
OM-4402 Page 18 SECTION 5 – OPERA TING WELDING GENERA TOR 5-1. Front Panel Controls Ref. 198 912 1 DC Polarity/AC Switch Do not switch under load. Us e switch to select AC weld output or polar- ity of DC weld output. 2 Process Select Switch Do not switch under load.
OM-4402 Page 19 5-2. Remote Amperage/V oltage Control 1 Remote 14 Receptacle RC1 Connect optional remote control to RC1 (see Section 4-8). 2 Remote Hand Control (Optional) 3 Remote Foot Control (Optional) Engine runs at weld/powe r speed whenever a device co n - nected to the remote 14 recep - tacle is running.
OM-4402 Page 20 SECTION 6 – OPERA TING AUXILIAR Y EQUIPMENT 6-1. Auxiliary Power Receptacles And Circuit Breakers Ref. 198 912 1 4 2 5 3 If unit does not have GFCI re- ceptacles, use GFCI- protected extension cord. Auxiliary power decreases as weld current increases.
OM-4402 Page 21 6-2. Optional Auxiliary Power Receptacles If unit does not have GFCI re- ceptacles, use GFCI- protected extension cord. Auxiliary power decreases as weld current increases. Combined output of all receptacles limited to 8 kV A/kW rating of the generator .
OM-4402 Page 22 SECTION 7 – MAINTENANCE AND TROUBLESHOOTING 7-1. Routine Maintenance Recycle engine fluids. Stop engine before maintaining. Se e Engine Manual and Maintenance Label. Ser- vice more often if used in severe conditions. * T o be done by Factory Authorized Service Agent.
OM-4402 Page 23 7-2. Maintenance Label Follow the storage procedure in the engine owner ’s manual if the unit will not be used for an extended period.
OM-4402 Page 24 7-3. Servicing Air Cleaner aircleaner3 1/97 – 156 852 / Ref. 185 095-A / S-0759 Stop engine. Do not run engine without ai r cleaner or with dirty element. 1 W rapper (Foam Element) Wash wrapper with soap and water solution. Allow wrapper to air dry completely .
OM-4402 Page 25 7-5. Changing Engine Oil, Oil Filter , And Fuel Filter Ref. 801 942-C / 800 395-B / Ref. 198 912 / S-0842 Stop engine and let cool. 1 Oil Drain V alve 2 1/2 ID x 12 in Hose 3 Oil Filter Change engine oil and filter accord- ing to engine manual.
OM-4402 Page 26 7-6. Adjusting Engine Speed Ref. 801 942-C / 800 397-A After tuning engine, check engine speeds with a tachometer (see table). If necessary , adjust speeds as follows: Start engine and run until warm. T urn A/V control to max. Idle Speed Adjustment 1 Throttle Solenoid 2 Mounting Screw Loosen two mounting screws.
OM-4402 Page 27 Stop engine. When a circuit breaker or fuse opens, it usually indicates a more serious problem exists. Contact a Factory Authorized Service Agent. 1 Circuit Breaker CB5 CB5 protects the 24 volt ac output to Remote 14 receptacle RC1.
OM-4402 Page 28 T rouble Remedy Low weld output. Check control settings. Place Remote Amperage/V oltage switch in Panel position, or move switch to Remote 14 position and connect remote amperage/voltage control to Remote 14 receptacle RC1. Check and clean air cleaner as necessary (see Section 7-3).
OM-4402 Page 29 B. Auxiliary Power T rouble Remedy No power output. Reset circuit breakers CB1, CB2, CB3 and/or CB4 (see Section 6-1). Check fuse F1, and replace if necessary (see Section 7-7). Have Factory Authorized Service Agent check brushes, slip rings, and field current control board PC2.
OM-4402 Page 30 SECTION 8 – ELECTRICAL DIAGRAM Figure 8-1. Circuit Diagram For Welding Generator.
OM-4402 Page 31 199 560.
OM-4402 Page 32 SECTION 9 – AUXILIAR Y POWER GUIDELINES 9-1. Selecting Equipment aux_pwr 2/99 – Ref. ST-159 730 / ST -800 577 1 Auxiliary Power Receptacles – Neutral Bonded T o Frame 2 3-Prong Plug From Case Grounded Equipment 3 2-Prong Plug From Double Insulated Equipment OR 2 Be sure equipment has this symbol and/or wording.
OM-4402 Page 33 9-3. Grounding When Supplying Building Systems ST-800 576-B 1 Equipment Grounding T erminal 2 Grounding Cable Use #10 A WG or larger insulated copper wire. 3 Ground Device Ground generator to system earth ground if supplying power to a premises (home, shop, farm) wiring system.
OM-4402 Page 34 9-5. Approximate Power Requirements For Industrial Motors Industrial Motors Rating Starting W atts Running W atts Split Phase 1/8 HP 800 300 1/6 HP 1225 500 1/4 HP 1600 600 1/3 HP 2100.
OM-4402 Page 35 9-7. Approximate Power Requirements For Contractor Equipment Contractor Rating Starting W atts Running W atts Hand Drill 1/4 in 350 350 3/8 in 400 400 1/2 in 600 600 Circular Saw 6-1/2.
OM-4402 Page 36 9-8. Power Required T o Start Motor S-0624 1 Motor Start Code 2 Running Amperage 3 Motor HP 4 Motor V oltage T o find starting amperage: Step 1: Find code and use table to find kV A/HP . If code is not listed, multiply running amperage by six to find starting amperage.
OM-4402 Page 37 9-10. T ypical Connections T o Supply Standby Power S-0405-A 1 Power Company Service Meter 2 Main and Branch Overcurrent Protection 3 Double-Pole, Double-Throw T ransfer Switch Obtain and install correct switch. Switch rating must be same as or greater than the branch overcurrent protection.
OM-4402 Page 38 9-1 1. Selecting Extension Cord (Use Shortest Cord Possible) Cord Lengths for 120 V olt Loads If unit does not have GFCI receptacles, use GFCI-protected extension cord.
OM-4402 Page 39 SECTION 10 – P ARTS LIST ST-802 048-D Hardware is common and not available unless listed. 1 2 3 4 5 6 7 8 9 11 12 13 14 15 16 17 18 19 10 20 21 22 23 24–Fig 10–3 25 26 27 28 29 30 31 32 33 34 35 36 37 38 39 40 42 43 44 45 46 47 48 49 50 47 51 45 44 53 54 – Fig.
OM-4402 Page 40 Description Part No. Dia. Mkgs. Item No. Figure 10-1. Main Assembly Quanti ty 1 182 367 P ANEL, right side 1 . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
OM-4402 Page 41 Description Part No. Dia. Mkgs. Item No. Figure 10-1. Main Assembly (Continued) Quanti ty RC1 174 824 CONNECTOR & PINS 1 . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
OM-4402 Page 42 Description Part No. Dia. Mkgs. Item No. Figure 10-2. Panel, Front w/Components (Fig 10-1 Item 54) Quanti ty 1 187 593 P ANEL, front 1 . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
OM-4402 Page 43 Description Part No. Item No. Figure 10-3. Generator (Fig 10-1 Item 24) Quanti ty 1 +186 238 ST A TOR 1 . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
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Warranty Questions? Call 1-877-HOBART1 for your local Hobart distributor. hobart standard 5/00 Service Y o u always get the fast, reliable response you need. Most replacement parts can be in your hands in 24 hours. Support Need fast answers to the tough welding questions? Contact your distributor or call 1-800-332-3281.
PRINTED IN USA 2000 Hobart Welding Products. 1/00 Hoba rt We lding Produc ts An I l li noi s T ool Works Com pany 600 West Main St reet Troy , O H 45373 US A For Technical A ssistan ce: Call1-800-.
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