GEK±91584D
CONTENTS
TESTING AFTER OVERHAUL
INSPECTION AND TEST OF
GEK±91584D, Vertical Drilling Motor, Type GE752
GENERAL DESCRIPTION
INTRODUCTION
FIG. 1. GE752 VERTICAL DRILLING MOTOR E±39088
Vertical Drilling Motor, Type GE752, GEK±91584D
TABLE 1. MODEL DIFFERENCES
GEK±91584D, Vertical Drilling Motor, Type GE752
TABLE 1 Contd MODEL DIFFERENCES
DATA
DATA Contd
Vertical Drilling Motor, Type GE752, GEK±91584D
DATA Contd
GEK±91584D, Vertical Drilling Motor, Type GE752
NOTE With 2800 SCFM air flow
DATA Contd
Vertical Drilling Motor, Type GE752, GEK±91584D
FIG. 2. DRILLING MOTOR ± FRAME GROUNDING
SPECIAL TOOLS AND EQUIPMENT
GROUNDING INSTRUCTIONS
CABLE CONNECTIONS. E±28717
LUBRICATION
GROUNDING PROCEDURES Fig
OVERHAUL
GREASE TUBES AND PIPE PLUGS
Brushholders Fig
INSPECTION MONTHLY
Covers, Seals, Latches
FIG. 3. RESIZING BRUSHHOLDER CARBONWAYS. E±11281
FIG. 5. BRUSH SPRING ARRANGEMENT E±18963
Brushholder Sleeves
Brush Spring Pressure
Vertical Drilling Motor, Type GE752, GEK±91584D
Creepage Band
Brushes
Commutator
Flash Ring
BRUSHHOLDER REPLACEMENT Removal
Power Cables
BASIC REPAIRS BRUSH REPLACEMENT
Insulation
COMMUTATOR RESURFACING
Installation
BRUSHHOLDER CLEARANCE ADJUSTMENT
GEK±91584D, Vertical Drilling Motor, Type GE752
FIG. 8. CONNECTIONS TO RUN A SHUNT MACHINE FROM A D±C POWER SOURCE
Sanding Procedure
Hand Stoning Procedure
E±28718
FIG. 10. PROPER SHAPE OF HANDSTONE. E±8779A
Grinder Installation
Fixture Grinding
GEK±91584D, Vertical Drilling Motor, Type GE752
FIG. 11. COMMUTATOR GRINDER. E±18249
Vertical Drilling Motor, Type GE752, GEK±91584D
GEK±91584D, Vertical Drilling Motor, Type GE752
Grinding
FIG. 12. COMMUTATOR SLOT RAKING TOOL E±19771A
BASIC OVERHAUL
TESTING BEFORE DISASSEMBLY
Air Curing Commutator
Vertical Drilling Motor, Type GE752, GEK±91584D
Bar±To±Bar Resistance Test
DISASSEMBLY Armature Removal From Frame
Megohmmeter Test
Models UP, AUP
E±18150
FIG. 13. COMMUTATOR±END BEARING PILOT
FIG. 14. ARMATURE LIFTING BAIL. E±23932
Vertical Drilling Motor, Type GE752, GEK±91584D
GEK±91584D, Vertical Drilling Motor, Type GE752
FIG. 15. LONGITUDINAL SECTION 41D732922 CHG. N. E±28621D
THIS GREASE TUBE CONFIGURATION IS APPLICABLE TO MODELS UP1, UP2
VIEW OF COMMUTATOR END FOR ALL MODELS EXCEPT UP1, UP2, AUP1 AND AUP2
VIEW OF COMMUTATOR END FOR UP6 AND AUP5 NOTE UP1 AND AUP1
Vertical Drilling Motor, Type GE752, GEK±91584D
FIG. 15. LONGITUDINAL SECTION 41D732922 CHG. N. E±28621D
MODELS HAVE 2 TUBE ASSEMBLIES UP2 AND AUP2 HAVE ONE
GEK±91584D, Vertical Drilling Motor, Type GE752
FIG. 15. LONGITUDINAL SECTION 41D732922 CHG. N. E±28621D
8. Reach into the drive±end of the motor and dis- connect grease tubes
FIG. 16. PULLER TOOLS 41D731569 CHG. 0. E±14383C
Vertical Drilling Motor, Type GE752, GEK±91584D
GEK±91584D, Vertical Drilling Motor, Type GE752
FIG. 17. PULLER TOOLS. E±18155A
14. Install puller Part 6751547G4 and pull sleeve
Vertical Drilling Motor, Type GE752, GEK±91584D
Armature Removal From Frame
Models US1, AUT
VIEW OF COMMUTATOR END
FIG. 18. LONGITUDINAL SECTION 41D735357, CHG. A. E±37949B
GEK±91584D, Vertical Drilling Motor, Type GE752
FIG. 18. LONGITUDINAL SECTION 41D735357, CHG. A. E±37949B
Vertical Drilling Motor, Type GE752, GEK±91584D
MODELS SEE TABLE
GEK±91584D, Vertical Drilling Motor, Type GE752
CLEANING
Steam Cleaning
INSPECTION AND TEST OF DISASSEMBLED MOTOR
Vapor Degreasing
Anti±Friction Bearings/Shaft Tapers/Bearing Fits
BEARING INSPECTION
COMMUTATOR
Wire Band, Drive End
Glass Band, Commutator End
Resurfacing
FIG. 19 ARMATURE INSULATION 41D731545 CHG. F. E±18156A
Vertical Drilling Motor, Type GE752, GEK±91584D
FIG. 19. ARMATURE INSULATION 41D731545 CHG. F. E±18156A
GEK±91584D, Vertical Drilling Motor, Type GE752
LUBRICATION OF BOLTS
BRUSHHOLDERS
REPAIR
FIG. 20. ARMATURE SHAFT 334B336 CHG. D. E±39091A
FIG. 21. CONNECTION DIAGRAM 493A210 CHG. 4. E±39092B
GEK±91584D, Vertical Drilling Motor, Type GE752
Riser Width
ARMATURE Creepage Band Replacement
Rewinding Armature
Diameter
Hydraulic Press Preferred Method
Procedure
Commutator Tightening
Torque Wrench Acceptable Method
Grinding
Spin Seasoning Commutator Assembled On Armature
Commutator Resurfacing
Vertical Drilling Motor, Type GE752, GEK±91584D
GEK±91584D, Vertical Drilling Motor, Type GE752
FIG. 22. CONNECTION DIAGRAM 41A237276 CHG. 0. E±39093A
Turning
FIG. 23. CONNECTION DIAGRAM 41A330278, CHG. 0. E±38055B
Vertical Drilling Motor, Type GE752, GEK±91584D
MODEL SEE TABLE
FIG. 24. CONNECTION DIAGRAM 41A330179, CHG. A. E±37950A
GEK±91584D, Vertical Drilling Motor, Type GE752
FIG. 26. COMMUTATOR PRESSING DIAMETER. E±18140
Raking
FIG. 25. COMMUTATOR TIGHTENING E±4270B
FIG. 27. COMMUTATOR BOLT TIGHTENING SEQUENCE. E±4502
Used Armature
Resistance Measurement
TEST AFTER REPAIR Armature High Potential Test
Rewound Armature
Procedure for New Coil±Pole Assembly
REPLACEMENT
Coil Installation
MOTOR FRAME FIELD COIL
VIEW AT Y OF
FIG. 29. COILED FRAME ASSEMBLY 41D732353 CHG. N. E±39094A
GEK±91584D, Vertical Drilling Motor, Type GE752
MODELS SEE TABLE 2, PAGE
FIG. 29. COILED FRAME ASSEMBLY 41D732353 CHG. N. E±39094A
Vertical Drilling Motor, Type GE752, GEK±91584D
FIG. 30. COILED FRAME ASSEMBLY 41D732345 CHG. V. E±39095A
GEK±91584D, Vertical Drilling Motor, Type GE752
FIG. 30. COILED FRAME ASSEMBLY 41D732345 CHG. V. E±39095A
Vertical Drilling Motor, Type GE752, GEK±91584D
FIG. 31. COILED FRAME ASSEMBLY 41D735440, CHG. A. E±38056B
GEK±91584D, Vertical Drilling Motor, Type GE752
FIG. 31. COILED FRAME ASSEMBLY 41D735440, CHG. A. E±38056B
Vertical Drilling Motor, Type GE752, GEK±91584D
F2 29 F1
FIG. 32. COILED FRAME ASSEMBLY 41D735343, CHG. C. E±37951C
GEK±91584D, Vertical Drilling Motor, Type GE752
MODELS SEE TABLE 2, PAGE
FIG. 32. COILED FRAME ASSEMBLY 41D735343, CHG. C. E±37951C
Vertical Drilling Motor, Type GE752, GEK±91584D
Gas Torch Brazing
Brazing Coil Terminals
Machine Brazing
Coil Installation
TEST AFTER REPAIR Coiled Frame Without Armature
VARNISH VISCOSITY CHART FOR DIPPING COILED FRAME
Flood Dipping Coiled Frame
GE NO. 8001 VARNISH NO. 3 ZAHN CUP
Armature
REASSEMBLY Brushholders
Varnish Immersion Treatment After VPI
High±Potential Test
Commutator±End Bearing
Armature Bearings
Drive±End Bearing Figs. 34, 35, 36 and
All Models Except US2, UP6, AUT2 and AUP5
SMEAR 0.50 OZ. OF
FIG. 34. DRIVE±END BEARING ASSEMBLY. E±18166E
GEK±91584D, Vertical Drilling Motor, Type GE752
MODELS
Commutator±End Bearing
FIG. 35. DRIVE±END BEARING ASSEMBLY. E±39301
Models US2, UP6, AUT2 and AUP5
Vertical Drilling Motor, Type GE752, GEK±91584D
GEK±91584D, Vertical Drilling Motor, Type GE752
FIG. 36. DRIVE±END BEARING ASSEMBLY 41B537821, CHG. B. E±37952B
ASSEMBLY OF PARTS
17, 18 AND
Models UP and AUP
Armature Assembly Into Frame
FIG. 37. CHECK ALIGNMENT OF BEARING AFTER ASSEMBLY. A±120402
Vertical Drilling Motor, Type GE752, GEK±91584D
NOTE Insure that all grease tubes are packed full of grease
FIG. 38. COMMUTATOR±END BEARING ASSEMBLY 41B532745 CHG. F. E±39090A
GEK±91584D, Vertical Drilling Motor, Type GE752
FIG. 39. COMMUTATOR-END BEARING ASSEMBLY 41B538068 CHG. 0. E-39300
Vertical Drilling Motor, Type GE752, GEK±91584D
GEK±91584D, Vertical Drilling Motor, Type GE752
FIG. 40. CHECKING INTERNAL CLEARANCE OF BEARING. A-120403
Armature Assembly Into Frame
NOTE Insure that grease tubes are packed full of grease
8. Install framehead bolts and lockwashers30. Torque to 440±495 lb.±ft
BRUSH INSTALLATION
BRUSHHOLDER CLEARANCE ADJUSTMENT
Vertical Drilling Motor, Type GE752, GEK±91584D
GEK±91584D, Vertical Drilling Motor, Type GE752
HUB MOUNTING Hub Fitting
Hub Mounting
FIG. 41. METHOD OF USING ADVANCE GAUGE. E±5975A
TESTING AFTER OVERHAUL
TESTING SERIES MACHINES
FIG. 42. MEASURING TEMPERATURE OF COUPLING HUB WITH PYROMETER. E±5976
Ventilated 2300 cfm at 7.6 in. H2O at Commutator Chamber
TESTING SHUNT MACHINES Models 5GE752UP and US
Motor Operation
Unventilated
LOCKING THE ARMATURE FOR SHIPMENT See Fig
CLEANING AND SLUSHING
REMOVING ARMATURE LOCKING ARRANGEMENT See Fig
SHIPPING
ARMATURES
SKIDDING
PROTECTION
PREPARATION OF BOX
FIG. 45. BOX FOR SHIPPING ARMATURES. E±3782A
BOXING THE ARMATURE
STORAGE PLACING INTO STORAGE
FIG. 46. ARMATURE PLACED IN SHIPPING BOX. E±3783
GEK±91584D, Vertical Drilling Motor, Type GE752
REMOVING FROM STORAGE
FIG. 47. SHIPPING BOX WITH ARMATURE LESS COVER. E±3784
1. Do not inhale solvent fumes
Vertical Drilling Motor, Type GE752, GEK±91584D
d. Reassemble the motor
FIG. 48. OUTLINE, UP AND AUP 41E903631 CHG. H. E±28755B
GEK±91584D, Vertical Drilling Motor, Type GE752
Vertical Drilling Motor, Type GE752, GEK±91584D
FIG. 48. OUTLINE, UP AND AUP 41E903631 CHG. H. E±28755B
GEK±91584D, Vertical Drilling Motor, Type GE752
FIG. 48. OUTLINE, UP AND AUP 41E903631 CHG. H. E±28755B
Vertical Drilling Motor, Type GE752, GEK±91584D
FIG. 48. OUTLINE, UP AND AUP 41E903631 CHG. H. E±28755B
FIG. 49. OUTLINE, US1, AUT 41E903745, CHG. A. E±37954B
GEK±91584D, Vertical Drilling Motor, Type GE752
+± .12
Vertical Drilling Motor, Type GE752, GEK±91584D
FIG. 49. OUTLINE, US1, AUT 41E903745, CHG. A. E±37954B
8.55
VIEW AT ºDº
GEK±91584D, Vertical Drilling Motor, Type GE752
FIG. 49. OUTLINE, US1, AUT 41E903745, CHG. A. E±37954B
Vertical Drilling Motor, Type GE752, GEK±91584D
2901 East Lake Road Erie, Pennsylvania
GE Transportation Systems
GEK±91584D, Vertical Drilling Motor, Type GE752