GEK±91584D, Vertical Drilling Motor, Type GE752

DATA (Cont'd)

Pole Bore Diameter (measured at center of pole) (in.)

 

 

Motors:

Min.

Max.

Exciting Poles (Shunt models)

19.606

19.640

Exciting Poles (Series models)

19.613

19.640

Commutating Poles (Both Shunt and Series models)

19.956

19.998

Impedance Test

 

Voltage Drop

 

(Coiled Frame Without Armature):

 

Min.

Max.

Exciting Field (With Cables)

 

 

 

 

Model 752UP (0.5 Amps @ 60 Hz)

59.0

66.6

Model 752AUP (24 Amps @ 60 Hz)

13.1

15.6

Model 752US (0.5 Amps @ 60 Hz)*

59.0

66.6

Model 752AUT (24 Amps @ 60 Hz)

13.1

15.6

Commutating Field (With Cables)

 

 

 

 

Model 752UP (24 Amps @ 60 Hz)

7.3

8.5

Model 752AUP (24 Amps @ 60 Hz)

7.2

8.5

Model 752US (24 Amps @ 60 Hz)**

7.3

8.1

Model 752AUT (24 Amps @ 60 Hz)

7.7

8.5º

Lubrication* ± Armature Bearings

 

 

 

 

Grease Capacities (oz.):

 

 

 

 

Drive End

. . . . . . . . .

. . . . . . . . . 39.1

Commutator End

. . . . . . . . .

. . . . . . . . . 31.8

Lubricant

.

. . . . . . .

GE±D6A2C10*

**See Grease Specification at the end of the DATA table.

Weights (lb.) (approx.)

Complete . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 6720

Armature Only . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 2100

High±Potential Test

 

60 Hz, a±c, to ground for one minute (All Windings) (volts):

 

New or Rewound Armature

. . . . . . . . . . . . . . . . . 3500

Reconditioned

. . . . . . . . . . . . . . . . . 2000

Megger Test

Minimum Megohmmeter

Reading (megohms)

 

Shunt Models

 

A1±A2

. . . . . . . . . . . . . . . . . . . 1.4

F1±F2

. . . . . . . . . . . . . . . . . . . 0.3

Series Models

 

A1±A2

. . . . . . . . . . . . . . . . . . . 1.4

F1±F2

. . . . . . . . . . . . . . . . . . . 1.4

*With Commutating Poles (CP) out. **Excitation Field in.

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GE GE752 manual Pole Bore Diameter measured at center of pole Motors Min Max