1

Joliet Equipment Corporation

Engineered Drilling Motors

Maintenance & Spare Parts Manual

Models: JEC75YZB, JEC75YZE, JEC75ZB, JEC75ZE, JEC75ZB-F, JEC75ZE-F

2

General Product Information Parts List/Diagram 6-7Models 8Differences Between Models 9General Specifications 10-12General Operation Information 13 GeneralFeatures 13 ATEXCertificationSafetyConsiderations 13 SafeElectricalParametersShuntWound 14 SafeElectricalParametersSeriesWound 14 Warnings 14-15 ClosedCoolingSystems 15 SpecialHandlingRequirements 15 Grounding 15-16 Lubrication 16 SpecialTools 16Inspections 17 MonthlyInspections 17-19 InspectionpriortoOperation 20 InspectionsforClosedCoolingSystems 20 Semi-AnnualInspections 20Motor Overhaul 21 TestingtheMotorbeforeDisassembly 21 DisassemblingtheMotor 21 RemovingtheHub 21-22 RemovingtheArmatureFromtheFrame 22-23 TestingafterOverhaul 23 TestingSeriesModels 23 TestingShuntModels 24Cleaning 25 SteamCleaning 25 VaporDegreasing 25

CleaningAnti-FrictionBearings/ShaftTapers/BearingFits 25

Contents

Con

tent

s: P

art

1

Rev. 07152010

3

Working with the Motor Parts The Brush and Brushholder ReplacingtheBrushes 26 RemovingtheBrushes 26 InstallingtheBrushes 26 ReplacingtheBrushholders 26 InstallingtheBrushholders 27 AdjustingtheBrushholderClearance 27 InspectingandTestingtheBrushholders 27 ReplacingtheBrushholderSleeves 27 ReassemblingBrushholders 28The Armature 28 InspectingandTestingtheArmature 28 ReplacingtheArmatureCreepageBand 28 AssemblingtheArmatureintotheFrame (ModelsYZE,YZK,ZE-F,ZK-F,ZE,ZK) 28-30 AssemblingtheArmatureintotheFrame (ModelsYZB,YZH,ZB-F,ZH-F,ZB,ZH) 30-31 RemovingtheArmatureLockingArrangement 31 LockingtheArmatureforShipment 31 TestingtheArmatureafterRepair 31 ArmatureVarnishTreatment 32 BalancingtheArmature 32Inspections 32 InspectingtheInsulation 32 InspectingtheCommutator 32 InspectingtheArmatureShaftBearingFits 32 InspectingtheCreepageBand 32Resurfacing the Commutator 33 Grinding 33 Turning 33 Undercutting 33 Raking 34 Polishing 34

The Motor Frame 35 Inspecting and Testing the Motor Frame 35 ReplacingtheMotorFrameFieldCoil 35 RemovingtheCoil 35 InstallingtheCoil 36

:Contents: P

art 2

Contents

4

The Motor Frame (continued)Brazing the Coil Terminals 36 UsingtheMachineBrazingMethod 36 UsingtheGasTorchBrazingMethod 36 FloodDippingtheCoiledFrame 37Testing the Coiled Frame 37 TestingafterRepair(withoutArmature) 37 TestingafterRepair 37The Connection Boxes 38 ChangingthePositionoftheConnectionBox 38-39 InsulatingtheTerminalConnections 39 AssemblingtheConnectionBox 39-40 DifferencesforShuntMotors 40The Commutator 41 ResurfaceBasedonCondition 41 SafetyRequirements 41 PreparingtheCommutatorforResurfacing 41 PreparingforResurfacingforSeriesMotors 41 PreparingforResurfacingforShuntMotors 42 SandingtheCommutator 42 HandStoningtheCommutator 42-43 FixtureGrinding 43 InstallingtheGrinder 43 GrindingtheCommutator 43-44 AirCuringtheCommutator 45The Bearings 46 InspectingtheBearings 46 ReassemblingtheBearings 46 ReassemblingtheArmatureBearings 46 ReassemblingtheDrive-EndBearing46-47 ReassemblingtheCommutator-EndBearing(ShuntWoundMachines) 47 ReassemblingtheCommutator-EndBearing(SeriesWoundMachines) 47The Hubs 48 HubFitting 48 MountingtheHub 48-49The Bolts50 LubricatingtheBolts50

StandardBoltTorqueValues 51

Index 52-54

Contents

5

JOLIETEquipmentCorporationcontinuouslyinvestsinglobalmanufacturingalliancestobringthebestinelectricmotorsandrelatedtechnologytoAmerica.

OneofNorthAmericasleadingsuppliersoflarge,heavy-dutyelectricmotors,JOLIETEquipmentCorporationhasbeenbuildingandrebuildingelectricmotorsformorethan75yearswithbettervalueandunequaledqualityandsupport.JOLIETEquipmentCorporationmeanspowerinsteelmills,papermills,petrochemicaloperationsandhigh-performance,

deep-drillingoffshoreequipmentsettingheavy-dutyoperatingstandardsfromtheAmericastothePacificRimandcustomersitesaroundtheworld.

Formorethantwogenerations,JOLIETEquipmentCorporationhasbeensettingqualitystandardsandspecificationsforelectricmotors.CarefullychosenalliancesandqualitycontrolmeasuresinsurethatJOLIETEquipmentCorporationcustomerswillreceivetheabsolutebestinelectricmotorperformanceandvalue.

General Product Information

Joliet Equipment Corporation Bringing You the Best in Electric Motors

General P

roduct Information

Reconditioned DC Drilling MotorsJEC75ZB JEC75ZE JEC75YZF(Top Drive) JEC75ZB-F JEC75ZE-F

Type: (Series/Shunt) Series Shunt Series/Shunt Series Shunt

HP: (Continuous) 1000 1000 1085/1130 1085 1130

HP: (Intermittent) 1250 1250 1320/1365 1320 1365Voltage: (VAC) 750 750 750 750 750Full Load Current: (Continuous) 1050 1050 1150/1185 1150 1185Full Load Current: (Intermittent) 1400/1435 1400 1435Full Load RPM: 965 1040 965/1040 965 1040Horizontal / Vertical: Horizontal Horizontal Vertical Horizontal HorizontalTorque: (@ Base RPM): (Continuous) 5200 5050 5900/5705 5900 5705Torque: (@ Base RPM): (Intermittent) 6800 6300 7530/6745 7530 6745Available Certification: ABS ABS ABSATEX ABS ABSApprox. Weight: (lbs.) 6900 6900 7150 7150 7150Add1aftermodelnumberforMarineDutyAdd3aftermodelnumberforLandDuty

New DC Drilling MotorsJEC75YZB JEC75YZE JEC75ZF(Top Drive)

Type: (Series/Shunt) Series Shunt Series/Shunt

HP: (Continuous) 1085 1130 1085/1130

HP: (Intermittent) 1320 1365 1320/1365Voltage: (VAC) 750 750 750Full Load Current: (Continuous) 1150 1185 1150/1185Full Load Current: (Intermittent) 1400 1435 1400/1435Full Load RPM: 965 1040 965/1040Horizontal / Vertical: Horizontal Horizontal VerticalTorque: (@ Base RPM): (Continuous) 5900 5705 5900/5705Torque: (@ Base RPM): (Intermittent) 7530 6745 7530/6745Available Certification: ABSATEX ABSATEX ABSATEXApprox. Weight: (lbs.) 7150 7150 7150

Add1aftermodelnumberforMarineDutyAdd3aftermodelnumberforLandDuty

6

DESCRIPTION PART NUMBER1 Outer Seal 10-53 D00112 Drive-End Outer Bearing Cap 10-53-D00123 Drive-End Bearing Cap Bolts 10-53-D00134 Bearing Cap Lock Washers 10-53-D00145 Drive-End Outer Gasket 10-53-D00156 Drive-End Bearing 10-53-D00167 Hi-Torque Endbell 10-53-D00178 Bolts & Washers 10-53-D00189 Drive-End Bearing Spacer/Slinger 10-53-D001910 Drive-End Inner Bearing Cap 10-53-D002011 Inner Seal 10-53-D002112 Cable S2 10-53-L002213 Cable S1 10-53-L002314 Cable A2 10-53-L002415 Cable A1 10-53-L002516 Frame/Lead Grommet 10-53-L002617 Blower Seal Tite 10-53-L002718 Seal Tite 10-53-L002819 Seal Tite 10-53-L002920 Armature with Shaft 10-53-A003021 Exhaust Cover B 10-53-F003122 Exhaust Cover C 10-53-F003223 Exhaust Cover A 10-53-F003324 Exhaust Cover D 10-53-F003425 Inner-pole Bolt 10-53-F002526 Inner-pole Pole Piece 10-53-F003627 Inner-pole Coil 10-53-W003728 Inner-pole Shims 10-53-F003829 Inner-pole Shims 10-53-F003930 Commutator Covers - Upper 10-53-F004031 Field Coil Bolt 10-53-F004132 Field Coil Bolt Washer 10-53-F004233 Field Coil Open 10-53-W004334 Field Coil Crossed 10-53-W004435 Field Coil Spring Plate 10-53-F004536 Field Coil Pole Piece 10-53-F004637 Frame 10-53-F004738 Blower Mount Bolt 10-53-B004839 Blower Mount Washer 10-53-B004940 Blower Assembly 10-53-B005041 Commutator-End Bearing Cap Bolts 10-53-C0051

DESCRIPTION PART NUMBER42 Commutator-End Outer Bearing Cap 10-53-C005243 Commutator-End Bolts & Washers 10-53-C005344 Gaskets 10-53-C005445 Commutator-End Endbell 10-53-C005546 Commutator-End Bearing Lock Nut

Set Screw10-53-C0056

47 Commutator-End Bearing Lock Nut 10-53-C005748 Commutator-End Bearing / Outer Ring 10-53-C005849 Commutator-End Bearing 10-53-C005950 Commutator-End Inner Bearing Cap 10-53-C006051 Brush Holder Assembly 10-53-C006152 Carbon Brush 10-53-C006253 Washer 10-53-F006354 Bolt 10-53-F006455 Bottom Bolt-on Cover 10-53-F006556 Bottom Spring Cover 10-53-F006657 Copper Bus Connection 10-53-T006758 Terminal Box Covers 10-53-T006859 Bolt 10-53-T006960 Washer 10-53-T007061 Bolt 10-53-T007162 Washer 10-53-T007263 Washer 10-53-T007364 Glastic Stand Off 10-53-T007465 Bolt 10-53-T007566 Connection Plate 10-53-T007667 Gland 10-53-T007768 Terminal Box 10-53-T007869 Crouse-Hinds Lockout Switch 10-53-T007970 Pressure Switch (XP) 10-53-T008071 Space Heater (120/240 VAC) 10-53-T008172 Terminal Board w/Indicator 10-53-T008273 Oilfield Hub 10-53-S008374 Hi-Torque Endbell 10-53-D008475 Exhaust Cover Gasket 10-53-F008576 Nomex Gasket 10-53-F008677 Nomex Gasket 10-53-F008778 Blower Gasket 10-53-B008879 Blower Filter 10-53-B0089

Par

ts L

ist/

Dia

gram

Parts List/Diagram

7

Parts List/D

iagram

57 9 10

12 13 14 15 16 17 18 19

20

11

21

22

2324

25 26 27 76 28 29 30 31 32 33 34 35 36 77 78

37

38 39 40

79

4

41

42

43

45

46

51

5253

5455

5657

58

4596060 6163 62646539666768

8

44

4748

4950

70

69 72

71

1

2

3

4 5 6

73

74

75

8

Model Series Wound (H) Shunt Wound (K)

C75ZB(E)Reconditioned 1000HP DC Drilling

Continuous rating for mud pump and rotary table applications of 1000 HP Intermittent rating for drawworks applications of 1250 HP Continuous rating is at 750 VDC, 1050 Amperes, 965 RPM

Continuous rating for mud pump and rotary table applications of 1000 HP Intermittent rating for drawworks applications of 1250 HP Continuous rating is at 750 VDC, 57 Amps, 1050 Amperes, 1040 RPM

C75ZB(E)-F Reconditioned DC Hi-Torque Drilling Motor

Continuous rating for mud pump and rotary table applications of 1085 HP

Intermittent rating for drawworks applications of 1320 HP

C