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GEK–91584D, Vertical Drilling Motor, Type GE752
4
TABLE 1 (Cont’d) MODEL DIFFERENCES
Motor Model Differences Superseded By
752AUP3 Same as AUP2 except:
– Has a single grease tube at drive end which is
part of framehead/bearing assembly for ease of
armature disassembly.
752AUP4 Same as AUP3 except:
– Has improved insulation for higher temperatures.
752AUP5 Same as AUP4 except:
– Has an improved commutator–end bearing assembly and an
ABS–certified armature shaft.
752AUT1 This is a series motor with the following distinctions:
– Same as 752AUP3 except:
– Has an AG type armature with an AF commutator and
a standard AUP flash ring.
– Has AG type commutator coils and poles with brazed
instead of bolted connections.
– Has air vents in the drive–end framehead
– Has a frame specially machined for mounting the
customer gearbox at the drive end.
– Has a different drive–end grease arrangement.
– Has rubber hardtop brushes instead of regular duplex
brushes.
752AUT2 Same as AUT1 except:
– Has an improved commutator–end bearing assembly and an
ABS–certified armature shaft.
DATA
Max. Permissible Speed (rpm) 1800. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
Max. Permissible Vibration (Commutator End) (in.) 0.002. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
“Resistance at 25_ C (Ohms): Min. Max.
Armature
Model 752UP 0.00912 0.00949. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
Model 752AUP 0.00912 0.00949. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
Model 752US 0.00749 0.00800. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
Model 752AUT 0.00749 0.00800. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
Exciting Field (With Cables)
Model 752UP 1.25 1.33. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
Model 752UP (After 3/88) 1.13 1.22. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
Model 752AUP 0.00512 0.00558. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
Model 752US 1.13 1.22. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
Model 752AUT 0.00486 0.00535. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
Commutating Field (With Cables)
Model 752UP 0.00508 0.00540. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
Model 752UP (After 3/88) 0.00439 0.00534. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
Model 752AUP 0.00439 0.00477. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
Model 752US 0.00432 0.00480. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
Model 752AUT 0.00432 0.00480. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .