Miller Electric Big Blue 251D manual Generator -1Item

Page 55

 

Item

Dia.

Part

Description

Quantity

 

No.

 

Mkgs.

No.

 

 

 

 

 

Figure 12-3. Generator (Fig 12-1Item 65)

 

 

 

 

 

 

 

. . . 1

. . .

. . . . . . .

. . 106 426 . .

INSULATOR

. . . 4

. . . 2

. . .

. . . . . . .

. . 106 440 . .

BUS BAR, rectifier

. . . 2

. . . 3

. . . SR3 . .

. . 106 427 . .

DIODE ASSEMBLY, reverse polarity (consisting of)

. . . 1

. . . 4

. . .

. . . . . . .

. . 048 420 . . .

. CAPACITOR, rectifier

. . . 2

. .

. . . .

. . .

. . . . . . .

. . 106 641 . . .

. CAPACITOR

. . . 1

. . . 5

. . .

. . . . . . .

. . 037 957 . . .

. DIODE, rect 275A 300V RP

. . . 3

. . . 6

. . .

. . . . . . .

. . 106 425 . . .

. INSULATOR

. . . 2

. .

. . . .

. . .

. . . . . . .

. . 188 387 . .

BRUSHHOLDER/BRACKET ASSEMBLY, (consisting of)

. . . 3

. . . 7

. . .

. . . . . . .

. . 173 066 . . .

. BRACKET, mtg brushholder

. . . 1

. . . 8

. . .

. . . . . . .

. . 600 270 . . .

. HOLDER, brush

. . . 1

. . . 9

. . .

. . . . . . .

. . 152 044 . . .

. CAP, brushholder

. . . 1

. .

10

. . .

. . . . . . .

. . *151 299 . . .

. BRUSH, contact

. . . 1

. .

11

. . .

. . . . . . .

. . . Deleted . . .

. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .

. . . .

. .

12

. . .

. . . . . . .

. . 013 367 . .

LABEL, warning moving parts can cause serious injury

. . . 2

. .

13

. . .

. . . . . . .

. . 124 855 . .

GUARD, starter

. . . 1

. .

14

. . .

. . . . . . .

. +204 693 . .

STATOR, gen (consisting of)

. . . 1

. .

14

. . .

. . . . . . .

+♦204 742 . .

STATOR, gen (consisting of)

. . . 1

. .

15

. . .

. . . . . . .

. . 039 207 . . .

. BAFFLE, air gen

. . . 1

. .

16

. . .

. . . . . . .

. . 204 682 . .

ROTOR, gen (consisting of)

. . . 1

. .

17

. . .

. . . . . . .

. . 024 617 . . .

. RING, retaining external

. . . 1

. .

18

. . .

. . . . . . .

. . 053 390 . . .

. BEARING, ball

. . . 1

. .

19

. . .

. . . . . . .

. . 089 737 . . .

. FAN, rotor

. . . 1

. .

. . . .

. . .

. . . . . . .

. . 035 776 . . .

. KEY, .375 x .375 x 2.000

. . . 1

. .

20

. . .

. . . . . . .

. . 204 695 . .

STATOR, exciter endbell (consisting of)

. . . 1

. .

21

. . .

. . . . . . .

. . 204 714 . . .

. STATOR, exciter/aux power

. . . 1

. .

22

. . .

. . . . . . .

. . 173 068 . . .

. ENDBELL, gen (consisting of)

. . . 1

. .

23

. . .

. . . . . . .

. . 143 220 . . .

. O-RING, 2.859 ID x .139CS

. . . 1

. .

24

. . .

. . . . . . .

. . 173 323 . .

BARREL, rectifier

. . . 1

. .

25

. . .

SR3 . .

. . 106 430 . .

DIODE ASSEMBLY, (consisting of)

. . . 1

. .

26

. . .

. . . . . . .

. . 048 420 . . .

. CAPACITOR, rectifier

. . . 2

. .

. . . .

. . .

. . . . . . .

. . 106 641 . . .

. CAPACITOR

. . . 1

. .

27

. . .

. . . . . . .

. . 106 425 . . .

. INSULATOR

. . . 1

. .

28

. . .

. . . . . . .

. . 037 956 . . .

. DIODE, rect 275A 300V SP

. . . 3

. .

29

. VR1,R4 . . 046 819 . . .

. SUPPRESSOR

. . . 1

♦OPTIONAL *Recommended Spare Parts.

+When ordering a component originally displaying a precautionary label, the label should also be ordered.

To maintain the factory original performance of your equipment, use only Manufacturer’s Suggested Replacement Parts. Model and serial number required when ordering parts from your local distributor.

OM-480 Page 51

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Contents Engine Driven Welding Generator ProcessesDescription Visit our website at OM-480128 576AC JanuaryFrom Miller to You Table of Contents Options and Accessories Warranty Arc Welding Hazards Symbol UsageEngine Hazards Compressed Air Hazards Radiation can cause interference Principal Safety StandardsCalifornia Proposition 65 Warnings EMF InformationLES Fumées ET LES GAZ peuvent être dangereux Signification des symboles− Consignes DE Sécurité − Lire Avant Utilisation UN Choc Électrique peut tuerLE Bruit peut affecter l’ouïe LE Soudage peut provoquer un in- cendie ou une explosionDES Particules Volantes peuvent blesser les yeux DES Pièces Chaudes peuvent provoquer des brûlures graves’AIR Comprimé peut provoquer des blessures ’EXPLOSION DE LA Batterie peutDES Organes Mobiles peuvent provoquer des blessures LA Chaleur DU Moteur peut pro- voquer un incendieInformation sur les champs électromagnétiques Principales normes de sécurité− Definitions Symbols And DefinitionsWeld, Power, And Engine Specifications − SpecificationsDimensions, Weights, And Operating Angles Duty Cycle And Overheating Curve shows typical fuel use under weld or power loadsExceeding duty cycle can damage unit and void warranty Fuel ConsumptionVolt-Ampere Curves AC Generator PowerOptional AC Power Plant Curves Installing Welding Generator − InstallationConnecting The Battery Fuel Do not use gasoline. Gasoline Installing Muffler PipeEngine Prestart Checks Stop engine and let coolConnecting To Weld Output Terminals Installing Ether Cylinder Optional Ether Starting AidPut terminals Selecting Weld Cable Sizes150 ft 200 ft 250 ft 350 ft 400 ft 45 m 60 m 70 m 90 m 105 m 120 mControls See Section − Operating the Welding GeneratorDo not use Ether if engine is running Description Of Front Panel Controls See SectionRemote A/V Control Stop engine and fix trouble if either light goes onVolt Duplex And Optional Gfci Receptacles − Operating Auxiliary EquipmentX 15 a + 120 V x 10 a = 3.0 kVA/kW OM-480 X 10 a + 120 V x 5 a = 3.0 kVA/kW Volt Duplex Receptacle Optional240 V 15 a AC Receptacle RC1 Circuit Breakers CB1 And CB2Connecting Optional AC Power Plant 240 Volt Twistlock Receptacle Optional − Maintenance and Troubleshooting Maintenance Label Servicing Air Cleaner To replace secondary fuel filter Servicing Fuel And Lubrication SystemsTo change oil and filter To replace primary fuel filterStandard Models Adjusting Engine SpeedModels With Automatic Idle Optional Full Empty Overload Protection Servicing Optional Ether Starting AidWelding Inspecting And Cleaning Optional Spark ArrestorTroubleshooting Stop engine and let cool. Reinstall cleanout plugMaximum see Section Generator PowerCheck connections to ac power plant see Section EngineCircuit Diagram For Welding Generator − Electrical DiagramWetstacking − RUN-IN ProcedureWelding Generator From flammables Do not Perform Run-In Procedure Using Load BankProcedure at less than Stop engine Do not touch hot exhaustDo not perform run-in Run-In Procedure Using Resistance GridBank/grid From flammablesSelecting Equipment − Generator Power GuidelinesGrounding Generator To Truck Or Trailer Frame Amperes x Volts = Watts Grounding When Supplying Building SystemsHow Much Power Does Equipment Require? Earth ground if supplyingFarm/Home Equipment Rating Starting Watts Running Watts Approximate Power Requirements For Industrial MotorsApproximate Power Requirements For Farm/Home Equipment Industrial Motors Rating Starting Watts Running WattsContractor Rating Starting Watts Running Watts Approximate Power Requirements For Contractor EquipmentKVA/HP x HP x 1000 = Starting Amperage Power Required To Start MotorHow Much Power Can Generator Supply? Single-Phase Induction Motor Starting RequirementsWork like a Pro Typical Connections To Supply Standby PowerCurrent Load Watts Amperes Selecting Extension Cord Use Shortest Cord PossibleOM-480 116 − Parts List125 124 123 122 120 121 1172526 126 Dia Part Description Quantity Mkgs 128 111 Panel, Front w/Components -1ItemPanel, Front w/Components -1Item 111 Cont’d Generator Generator -1Item Includes 114Page Page Your distributor also gives ServiceSupport Your distributor and/or equipment manufacturer’s To locate a Distributor or Service Agency visitMiller Electric Mfg. Co For assistance in filing or settling claims, contact
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