COMMUTATOR-END Bearing Assembly 41B538068 CHG . E-39300 | GE GE752

Vertical Drilling Motor, Type GE752, GEK±91584D

REF. DESCRIPTION

1FRAME HEAD

2BEARING HOUSING

3BALL BEARING

4NILOS RING

5SEAL RING

6SPACER

7SLEEVE

8BEARING CAP

9BOLT, 5/8-11 X 2 3/4 N22P33044

10 LOCKWASHER, N405P47B13

2

4

11GREASE

12GASKET

13SLEEVE

MODELS

US2, UP6, AUT2 AND AUP5

APPLY NALCO RC TO BORE OF P7 AND SHAFT

HEAT P7 TO 180 o C. (356 o F)

RISE AND ASSEMBLE AS SHOWN

1

12

5

13

REFER TO ASSEMBLY INSTRUCTIONS FOR DETAILS

9,10

8

USE 5.2 OZ. OF P11

IN THIS CAVITY

7

6

FILL BEARING COMPLETELY WITH 20.8 OZ. OF P11

2

3

USE 5.2 OZ. OF P11

IN THIS CAVITY

4

13

5

SMEAR 0.80 OZ. OF P11 ON GREASE

SEALS AND SEAL SURFACE

FIG. 39. COMMUTATOR-END BEARING ASSEMBLY (41B538068 CHG. 0). E-39300.

63

Image 63

GE GE752 manual COMMUTATOR-END Bearing Assembly 41B538068 CHG . E-39300

Contents

Vertical Drilling Motor Type GE752 Contents General Description IntroductionGEK±91584D, Vertical Drilling Motor, Type GE752 Model Differences Vertical Drilling Motor, Type GE752, GEK±91584D Data Contd Model Differences Carbon Brushes Data Contd Pole Bore Diameter measured at center of pole Motors Min Max Motor Ratings Continuous Max. HP Shunt UP Grounding Instructions Special Tools Equipment Grease Tubes and Pipe Plugs Grounding Procedures FigOverhaul Lubrication Inspection Monthly Covers, Seals, LatchesBrushholders Fig Brush Spring Pressure Brushholder Sleeves Flash Ring BrushesCommutator Creepage Band Basic Repairs Brush Replacement Brushholder ReplacementSEMI±ANNUALLY Installation Brushholder Clearance AdjustmentCommutator Resurfacing Hand Stoning Procedure Sanding Procedure Fixture Grinding Grinder Installation Commutator GRINDER. E±18249 ±19771A Grinding Testing Before Disassembly Air Curing CommutatorBasic Overhaul Armature Removal From Frame DisassemblyMegohmmeter Test Bar±To±Bar Resistance Test COMMUTATOR±END Bearing Pilot Longitudinal D732922 CHG. N. E±28621D Models See , Description Puller Tools 41D731569 CHG . E±14383C Puller TOOLS. E±18155A Models US1, AUT Longitudinal D735357, CHG. A. E±37949B Models See Table Steam Cleaning Cleaning Armature Vapor DegreasingAnti±Friction Bearings/Shaft Tapers/Bearing Fits Bearing Inspection Commutator Armature Shaft InspectionMotor Frame Armature Insulation 41D731545 CHG. F. E±18156A See Note Lubrication of Bolts Brushholders Connection Diagram 493A210 CHG . E±39092B Diameter Creepage Band ReplacementRewinding Armature Riser Width Torque Wrench Acceptable Method ProcedureCommutator Tightening Hydraulic Press Preferred Method Commutator Resurfacing Spin Seasoning Commutator Assembled On Armature To Change Motor Direction Turning Connection Diagram 41A330278, CHG . E±38055B Connection Diagram 41A330179, CHG. A. E±37950A ±4270B Raking Rewound Armature Resistance MeasurementTest After Repair Armature High Potential Test Used Armature Motor Frame Field Coil ReplacementCoil Installation Procedure for New Coil±Pole Assembly Coiled Frame Assembly 41D732353 CHG. N. E±39094A Models See , Coiled Frame Assembly 41D732345 CHG. V. E±39095A BOX Ground A1 and A2 View AT E Cables with P65 Coiled Frame Assembly 41D735440, CHG. A. E±38056B Description Magnet Frame Coiled Frame Assembly 41D735343, CHG. C. E±37951C Hardened Washer 1 1/4 Gas Torch Brazing Brazing Coil Terminals Flood Dipping Coiled Frame Test After RepairCoiled Frame Without Armature Reassembly Balancing ArmatureVarnish Treatment Armature All Models Except US2, UP6, AUT2 and AUP5 Armature BearingsDrive±End Bearing Figs , 35, 36 Commutator±End Bearing DRIVE±END Bearing ASSEMBLY. E±18166E Models US2, UP6, AUT2 and AUP5 DRIVE±END Bearing ASSEMBLY. E±39301 DRIVE±END Bearing Assembly 41B537821, CHG. B. E±37952B Models UP and AUP Armature Assembly Into Frame COMMUTATOR±END Bearing Assembly 41B532745 CHG. F. E±39090A COMMUTATOR-END Bearing Assembly 41B538068 CHG . E-39300 Checking Internal Clearance Brush Installation HUB Mounting Hub FittingHub Mounting Testing After Overhaul Testing Series MachinesModels 5GE752AUP, AUT Unventilated Testing Shunt Machines Models 5GE752UP and USMotor Operation Ventilated 2300 cfm at 7.6 in. H2O at Commutator Chamber Shipping Cleaning and SlushingRemoving Armature Locking Arrangement Locking the Armature For Shipment Preparation of BOX SkiddingProtection Armatures Storage Placing Into Storage Boxing the Armature Shipping BOX with Armature Less COVER. E±3784 Removing from Storage Vertical Drilling Motor, Type GE752, GEK±91584D OUTLINE, UP and AUP 41E903631 CHG. H. E±28755B Hole Grease Vent Tube Grease Tube Holes REF OUTLINE, US1, AUT 41E903745, CHG. A. E±37954B ºDº ºBº Vertical Drilling Motor, Type GE752, GEK±91584D GE Transportation Systems