Hobart Beta Mig 135 P, Owner'S Manual

Page 1: ...MIG GMAW Welding HWD 0LJ 3 February 1999 Effective with serial number 135P 152345 175P 152385 2 1 5 6 0 18 0 0 1 ...

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Page 5: ...g can kill Turn off all equipment when not in use Donotuseworn damaged undersized orpoorlysplicedcables Do not drape cables over your body If earthgroundingofthe workpieceis required groundit directly with a separate cable Donottouchelectrodeifyouareincontactwiththework ground or another electrode from a different machine Useonlywell maintainedequipment Repairorreplacedamaged parts at once Maintai...

Page 6: ...s Remove stick electrode from holder or cut off welding wire at contact tip when not in use Wear oil freeprotectivegarmentssuchasleathergloves heavy shirt cuffless trousers high shoes and a cap Removeanycombustibles suchasabutanelighterormatches from your person before doing any welding 83 6 Welding chipping wirebrushing andgrinding causesparksandflyingmetal Asweldscool they can throw off slag Wea...

Page 7: ...grounding and shielding to minimize the possibility of interference ARC WELDING can cause interference Electromagnetic energy can interfere with sensitive electronic equipment such as computers and computer driven equipment such as robots Be sure all equipment in the welding area is electromagnetically compatible To reduce possible interference keep weld cablesas shortas possible close together an...

Page 8: ... human health hazard However studies are still going forth and evidence continues to be examined Untilthefinalconclusionsoftheresearcharereached you may wish to minimize your exposure to electromagnetic fields when welding or cutting To reduce magnetic fields in the workplace use the following procedures 1 Keep cables close together by twisting or taping them 2 Arrange cables to one side and away ...

Page 9: ...age of 10 minutesthatunitcan weldatrated load without overheating If unit overheats thermostat s opens output stops and cooling fan runs Wait fifteen minutes for unit to cool Reduce amperage or duty cycle before welding 6 0 15 0 OR Reduce Duty Cycle Minutes 7 7 20 duty cycle at 130 amps 50Hz 20 duty cycle at 140 amps 50 Hz 20 25 30 40 50 60 70 80 90100 35 250 200 150 100 50 6 7 8 6 6 5DWHG 2XWSXW ...

Page 10: ...s Insertleads oneatatime through small grommet on front panel Connect female friction terminals tomatching male terminals in unit Polarity is not important Close door 4 1 2 3 1 Lead Connections For Direct Current Electrode Positive DCEP 2 Lead Connections For Direct Current Electrode Negative DCEN Always read and follow wire manufacturer s recommended po larity and see Section 3 3 Close door 1 2 8...

Page 11: ...l 5 Regulator Flowmeter Gas Hose Connection 6 Welding Power Source Gas Hose Connection Connect customer supplied gas hose between regulator flowmeter gashoseconnection andfittingon rear of welding power source 7 Flow Adjust Typical flow rate is 20 cfh cubic feet per hour Check wire man ufacturer s recommended flow rate 8 CO Adapter Customer Sup plied 9 O Ring Customer Supplied InstalladapterwithO ...

Page 12: ...cording to its instructions 3 Receptacle Connect plug to matching recep tacle 4 Input And Grounding Conductors Connectdirectlytolinedisconnect device if hard wiring is required 5 Line Disconnect Device See Section 3 6 76 6 4 L1 L2 230 VAC 1 18 in 457 mm of space for airflow L1 L2 1 9 87 6 4 2 3 5 0 0 1 ...

Page 13: ...LQJ Q PSHUHV 20 25 0LQ QSXW RQGXFWRU 6L H Q FPLO 2 5 2 5 0D 5HFRPPHQGHG QSXW RQGXFWRU HQJWK Q 0HWHUV 3 3 0LQ URXQGLQJ RQGXFWRU 6L H Q FPLO 2 5 2 5 Reference 1996 National Electrical Code NEC 3 4 15 16 in 1 2 1 2 Turn wingnut When a slight force is needed to turn spool tension is set Tools Needed 0 Install spool so welding wire feeds from bottom ...

Page 14: ...n 102 mm Tighten Remove gun nozzle and contact tip Open pressure assembly Push wire thru guides into gun continue to hold wire Close and tighten pressure assembly and let go of wire ROG ZLUH WLJKWO WR NHHS LW IURP XQUDYHOLQJ WOOD Feed wire to check drive roll pressure Tighten knob enough to prevent slipping Cut off wire Close and latch door Press gun trigger until wire comes out of gun Reinstall c...

Page 15: ...ickerthematerialthatcanbe welded Do not switch under load 2 Wire Speed Control Use control to select a wire feed speed As Voltage switch setting increases wire speed range also increases 3 Voltage Range Min Max Switch Place switch in desired position 4 Power Switch 2 1 3 4 ...

Page 16: ...P DCEP DCEP DCEN DCEN DCEN DCEN DCEN DCEN DCEN DCEP 1 2 2 1 2 2 2 1 1 3 3 3 2 2 4 4 4 3or4 3or4 3 2 1 9 6 7 4 5 5 5 4 5 5 4 5 6 7 7 8 4 5 5 6 4 5 4 5 5 5 6 7 5 5 5 4 5 3 4 4 5 5 5 4 5 5 4 5 4 5 5 5 4 5 5 4 5 5 5 1 4 1 4 1 4 5 16 5 16 5 16 5 16 1 2 1 2 5 16 3 8 3 8 1 2 1 2 1 2 1 2 1 2 1 2 3 4 3 8 3 8 1 2 Brackets Axles A Frames Farm Equipment Frames Basketball RimsandBrackets 3 16 to1 4 4 TRI MIX 2...

Page 17: ...ll Thedriverollconsistsoftwodiffer ent sized grooves The stamped markingsontheendsurfaceofthe driverollreferstothegrooveonthe opposite side of the drive roll The grooveclosesttothemotorshaftis the proper groove to thread see Section 3 8 NOTE when chang ing drive rolls make sure the woodruffkeyisonthemotorshaft and not in the old drive roll 4 Pressure Arm Tools Needed 1 2 4 3 030 Groove 024 Groove ...

Page 18: ...contact tip see Section 5 3 Check for proper polarity connections see Section 3 2 Low weld output Connect unit to proper input voltage or check for low line voltage Place voltage switch in desired position see Section 4 1 Electrode wire feeding stops during welding Straighten gun cable and or replace damaged parts welding Adjust drive roll pressure see Section 3 8 Change to proper drive roll groov...

Page 19: ...OM 194 034 Page 15 GND 34 50 60Hz S1 PL GS P C B Z SW S4 TP1 TP2 VR SR S3 S2 MAX MIN T1 93 3 9 ...

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Page 23: ... trade accessories These items are covered by the manufacturer s warranty if any 3 Equipment that has been modified by any party other than Hobart or equipment that has been improperly installed improperly operated or misused based upon industry standards or equipment which has not had reasonable and necessary maintenance or equipment which has been used for operation outside of the specifications...

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