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