GE GE752 manual Connection Diagram 493A210 CHG . E±39092B

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GEK±91584D, Vertical Drilling Motor, Type GE752

briplate* (Part 147X1614), Molykote** (Part 147X1143), BRUSHHOLDER SLEEVE REPLACEMENT Dag*** (Part 147X1613), or anti±seize compound (Part

147X1640) to lubricate bolts.

NOTE: Threads and washer±contact surfaces must be clean before lubricant is applied.

Where specific torque values are not listed in these instructions, refer to Table 3 for standard bolt torque val- ues of lubricated bolts.

*Product of Fisk Bros. Refining Co., Newark, N.J. **Registered trademark of Dow Corning Corp.

***Acheson Colloids Co., Port Huron, Mich.

1.Remove the damaged Teflon sleeve from the brushholder stud. To remove sleeve, heat the brushholder in an oven to 150 C (302 F) then peel or cut sleeve from the stud.

2.Thoroughly clean the surface of the stud and re- move any carbon or dirt build±up.

3.Heat a new Teflon sleeve in a 150 C (302 F) oven for 15 minutes.

4.Using adequate hand protection, immediately assemble the hot sleeve on the stud.

MODELS

SEE TABLE 2

TO CHANGE MOTOR DIRECTION:

TO RUN CCW VIEWED FROM COMMUTATOR END,

	CONNECT:	F1 TO POSITIVE
		F2 TO NEGATIVE
		A1 TO POSITIVE
		A2 TO NEGATIVE
	TO RUN CW VIEWED FROM COMMUTATOR END,
	CONNECT:	F1 TO NEGATIVE
		F2 TO POSITIVE
		A1 TO POSITIVE
		A2 TO NEGATIVE


		FIG. 21. CONNECTION DIAGRAM (493A210 CHG. 4). E±39092B.

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Contents Contents Vertical Drilling Motor Type GE752General Description IntroductionGEK±91584D, Vertical Drilling Motor, Type GE752 Vertical Drilling Motor, Type GE752, GEK±91584D Model DifferencesContd Model Differences DataData Contd Carbon BrushesPole Bore Diameter measured at center of pole Motors Min Max Motor Ratings Continuous Max. HP Shunt UP Special Tools Equipment Grounding InstructionsGrounding Procedures Fig OverhaulLubrication Grease Tubes and Pipe PlugsInspection Monthly Covers, Seals, LatchesBrushholders Fig Brushholder Sleeves Brush Spring PressureBrushes CommutatorCreepage Band Flash RingBasic Repairs Brush Replacement Brushholder ReplacementSEMI±ANNUALLY Installation Brushholder Clearance AdjustmentCommutator Resurfacing Sanding Procedure Hand Stoning ProcedureGrinder Installation Fixture GrindingCommutator GRINDER. E±18249 Grinding ±19771ATesting Before Disassembly Air Curing CommutatorBasic Overhaul Disassembly Megohmmeter TestBar±To±Bar Resistance Test Armature Removal From FrameCOMMUTATOR±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 CleaningVapor Degreasing Anti±Friction Bearings/Shaft Tapers/Bearing FitsBearing Inspection ArmatureCommutator Armature Shaft InspectionMotor Frame Armature Insulation 41D731545 CHG. F. E±18156A See Note Brushholders Lubrication of BoltsConnection Diagram 493A210 CHG . E±39092B Creepage Band Replacement Rewinding ArmatureRiser Width DiameterProcedure Commutator TighteningHydraulic Press Preferred Method Torque Wrench Acceptable MethodSpin Seasoning Commutator Assembled On Armature Commutator ResurfacingTurning To Change Motor DirectionConnection Diagram 41A330278, CHG . E±38055B Connection Diagram 41A330179, CHG. A. E±37950A Raking ±4270BResistance Measurement Test After Repair Armature High Potential TestUsed Armature Rewound ArmatureReplacement Coil InstallationProcedure for New Coil±Pole Assembly Motor Frame Field CoilCoiled 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 BrazingFlood Dipping Coiled Frame Test After RepairCoiled Frame Without Armature Reassembly Balancing ArmatureVarnish Treatment Armature Armature Bearings Drive±End Bearing Figs , 35, 36Commutator±End Bearing All Models Except US2, UP6, AUT2 and AUP5DRIVE±END Bearing ASSEMBLY. E±18166E DRIVE±END Bearing ASSEMBLY. E±39301 Models US2, UP6, AUT2 and AUP5DRIVE±END Bearing Assembly 41B537821, CHG. B. E±37952B Armature Assembly Into Frame Models UP and AUPCOMMUTATOR±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 Testing Shunt Machines Models 5GE752UP and US Motor OperationVentilated 2300 cfm at 7.6 in. H2O at Commutator Chamber UnventilatedCleaning and Slushing Removing Armature Locking ArrangementLocking the Armature For Shipment ShippingSkidding ProtectionArmatures Preparation of BOXBoxing the Armature Storage Placing Into StorageRemoving from Storage Shipping BOX with Armature Less COVER. E±3784Vertical 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