Contents
Contents
Vertical Drilling Motor Type GE752
Introduction
General Description
GEK±91584D, Vertical Drilling Motor, Type GE752
Vertical Drilling Motor, Type GE752, GEK±91584D
Model Differences
Contd Model Differences
Data
Data Contd
Carbon Brushes
Pole Bore Diameter measured at center of pole Motors Min Max
Motor Ratings Continuous Max. HP Shunt UP
Special Tools Equipment
Grounding Instructions
Lubrication
Grounding Procedures Fig
Overhaul
Grease Tubes and Pipe Plugs
Covers, Seals, Latches
Inspection Monthly
Brushholders Fig
Brushholder Sleeves
Brush Spring Pressure
Creepage Band
Brushes
Commutator
Flash Ring
Brushholder Replacement
Basic Repairs Brush Replacement
SEMI±ANNUALLY
Brushholder Clearance Adjustment
Installation
Commutator Resurfacing
Sanding Procedure
Hand Stoning Procedure
Grinder Installation
Fixture Grinding
Commutator GRINDER. E±18249
Grinding
±19771A
Air Curing Commutator
Testing Before Disassembly
Basic Overhaul
Bar±To±Bar Resistance Test
Disassembly
Megohmmeter Test
Armature Removal From Frame
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
Cleaning
Steam Cleaning
Bearing Inspection
Vapor Degreasing
Anti±Friction Bearings/Shaft Tapers/Bearing Fits
Armature
Armature Shaft Inspection
Commutator
Motor Frame
Armature Insulation 41D731545 CHG. F. E±18156A
See Note
Brushholders
Lubrication of Bolts
Connection Diagram 493A210 CHG . E±39092B
Riser Width
Creepage Band Replacement
Rewinding Armature
Diameter
Hydraulic Press Preferred Method
Procedure
Commutator Tightening
Torque Wrench Acceptable Method
Spin Seasoning Commutator Assembled On Armature
Commutator Resurfacing
Turning
To Change Motor Direction
Connection Diagram 41A330278, CHG . E±38055B
Connection Diagram 41A330179, CHG. A. E±37950A
Raking
±4270B
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
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
Brazing Coil Terminals
Gas Torch Brazing
Test After Repair
Flood Dipping Coiled Frame
Coiled Frame Without Armature
Balancing Armature
Reassembly
Varnish Treatment Armature
Commutator±End Bearing
Armature Bearings
Drive±End Bearing Figs , 35, 36
All Models Except US2, UP6, AUT2 and AUP5
DRIVE±END Bearing ASSEMBLY. E±18166E
DRIVE±END Bearing ASSEMBLY. E±39301
Models US2, UP6, AUT2 and AUP5
DRIVE±END Bearing Assembly 41B537821, CHG. B. E±37952B
Armature Assembly Into Frame
Models UP and AUP
COMMUTATOR±END Bearing Assembly 41B532745 CHG. F. E±39090A
COMMUTATOR-END Bearing Assembly 41B538068 CHG . E-39300
Checking Internal Clearance
Brush Installation
Hub Fitting
HUB Mounting
Hub Mounting
Testing Series Machines
Testing After Overhaul
Models 5GE752AUP, AUT
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
Cleaning and Slushing
Removing Armature Locking Arrangement
Shipping
Armatures
Skidding
Protection
Preparation of BOX
Boxing the Armature
Storage Placing Into Storage
Removing from Storage
Shipping BOX with Armature Less COVER. E±3784
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