GE GE752 - Manual

GE GE752

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Table of Contents:

  • Page 3 – TABLE 1. MODEL DIFFERENCES
  • Page 4 – DATA; “Resistance at 25
  • Page 9 – OVERHAUL; Overhaul intervals will depend on the severity of ser; LUBRICATION
  • Page 14 – Installation; Refer to the DATA section for the brushholder–to–; COMMUTATOR RESURFACING; Prior to resurfacing, consider the following:
  • Page 18 – Grinding; Remove power from the machine.
  • Page 19 – Air Curing Commutator; After the commutator has been sanded, stoned or; Avoid contact with the cable terminals.; Vacuum interior of commutator chamber.; BASIC OVERHAUL; It is recommended that a basic overhaul be per-; TESTING BEFORE DISASSEMBLY; Perform the following tests prior to disassembly of
  • Page 20 – TABLE 2. DRAWING REFERENCE; Megohmmeter Test
  • Page 21 – vided in the bearing cap.
  • Page 27 – Armature Removal From Frame
  • Page 31 – Vapor Degreasing; INSPECTION AND TEST OF; BEARING INSPECTION
  • Page 35 – BRUSHHOLDERS; REPAIR; LUBRICATION OF BOLTS
  • Page 36 – Where specific torque values are not listed in these; BRUSHHOLDER SLEEVE REPLACEMENT; peel or cut sleeve from the stud.
  • Page 37 – Because of its superior adhesion qualities, the Teflon; Inspect the Band; Rewinding Armature; The armature must be rewound if any coils are; Riser Width; During the rewinding procedure, the TIG welds on; TABLE 3; Diameter; Refer to the DATA section for the Minimum Permissi-
  • Page 40 – Turning; If the surface of the commutator is badly worn,
  • Page 41 – Undercutting
  • Page 42 – MODEL
  • Page 43 – Raking; Resurfacing usually leaves particles and slivers of
  • Page 44 – High Potential Test; Used Armature; Resistance Measurement
  • Page 45 – Refer to Table 2, Page 20, to determine the correct; Coil Removal; Pack absorbent around the insulation near; Coil Installation; Procedure for New Coil–Pole Assembly; Before
  • Page 49 – MODELS
  • Page 50 – MODEL US1
  • Page 54 – Brazing Coil Terminals; Braze the coil terminals by one of the following meth-; Machine Brazing; Check the polarity of the field poles:
  • Page 55 – Flood Dipping Coiled Frame; TABLE 4
  • Page 56 – High–Potential Test; Frame With Used Coils
  • Page 59 – Commutator–End Bearing; F) and shrink it tight onto the shaft against
  • Page 61 – The bearing assembly will be completed when the; Armature Assembly Into Frame; Models UP and AUP
  • Page 65 – BRUSH INSTALLATION
  • Page 66 – To prevent a hub from slipping, it should have at least; Hub Mounting
  • Page 67 – TESTING AFTER OVERHAUL; After the motor has been reconditioned and reas-
  • Page 68 – Motor Operation; at Commutator Chamber)
  • Page 71 – support the armature on core punchings.; BOXING THE ARMATURE; When placing GE drilling motors into storage, the fol-
  • Page 72 – Before placing a stored motor back into service, refer; REMOVING FROM STORAGE; Before placing a stored motor in service, perform the
  • Page 82 – GE Transportation Systems
Loading the manual

GEK–91584D

VERTICAL DRILLING MOTOR

TYPE GE752

CONTENTS

Page

INTRODUCTION

2

. . . . . . . . . . . . . . . . . . . . . . . . . . . . .

GENERAL DESCRIPTION

2

. . . . . . . . . . . . . . . . . . . .

DATA

4

. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .

SPECIAL TOOLS AND EQUIPMENT

8

. . . . . . . . . . .

GROUNDING INSTRUCTIONS

8

. . . . . . . . . . . . . . . .

GROUNDING PROCEDURES

9

. . . . . . . . . . . . . . .

OVERHAUL

9

. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .

LUBRICATION

9

. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .

GREASE TUBES AND PIPE PLUGS

9

. . . . . . . . .

INSPECTION

10

. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .

MONTHLY

10

. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .

SEMI–ANNUALLY

13

. . . . . . . . . . . . . . . . . . . . . . . . .

BASIC REPAIRS

13

. . . . . . . . . . . . . . . . . . . . . . . . . . . .

BRUSH REPLACEMENT

13

. . . . . . . . . . . . . . . . . . .

BRUSHHOLDER REPLACEMENT

13

. . . . . . . . . .

BRUSHHOLDER CLEARANCE

ADJUSTMENT

14

. . . . . . . . . . . . . . . . . . . . . . . . . .

COMMUTATOR RESURFACING

14

. . . . . . . . . . . .

BASIC OVERHAUL

19

. . . . . . . . . . . . . . . . . . . . . . . . .

TESTING BEFORE DISASSEMBLY

19

. . . . . . . . .

TABLE 2. DRAWING REFERENCE

20

. . . . . . . . . .

DISASSEMBLY

20

. . . . . . . . . . . . . . . . . . . . . . . . . . .

CLEANING

30

. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .

INSPECTION AND TEST OF
DISASSEMBLED MOTOR

31

. . . . . . . . . . . . . . . . . . .

BEARING INSPECTION

31

. . . . . . . . . . . . . . . . . . .

ARMATURE

31

. . . . . . . . . . . . . . . . . . . . . . . . . . . . . .

COMMUTATOR

32

. . . . . . . . . . . . . . . . . . . . . . . . . . .

ARMATURE SHAFT INSPECTION

32

. . . . . . . . . .

MOTOR FRAME

32

. . . . . . . . . . . . . . . . . . . . . . . . . .

BRUSHHOLDERS

35

. . . . . . . . . . . . . . . . . . . . . . . . .

REPAIR

35

. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .

LUBRICATION OF BOLTS

35

. . . . . . . . . . . . . . . . .

Revisions are indicated by margin bars.

CONTENTS (CONT’D)

Page

BRUSHHOLDER SLEEVE REPLACEMENT

36

. .

ARMATURE

37

. . . . . . . . . . . . . . . . . . . . . . . . . . . . . .

TABLE 3. STANDARD BOLT TORQUE

VALUES

37

. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .

TEST AFTER REPAIR (Armature)

44

. . . . . . . . . . .

MOTOR FRAME FIELD COIL

REPLACEMENT

45

. . . . . . . . . . . . . . . . . . . . . . . . .

TEST AFTER REPAIR

(Coiled Frame Without Armature)

55

. . . . . . . . . .

TABLE 4. VARNISH VISCOSITY CHART
FOR DIPPING COILED FRAME

55

. . . . . . . . . . . . .

VARNISH TREATMENT (ARMATURE)

56

. . . . . . .

BALANCING ARMATURE

56

. . . . . . . . . . . . . . . . . .

REASSEMBLY

56

. . . . . . . . . . . . . . . . . . . . . . . . . . . .

BRUSHHOLDER CLEARANCE

ADJUSTMENT

65

. . . . . . . . . . . . . . . . . . . . . . . . . .

BRUSH INSTALLATION

65

. . . . . . . . . . . . . . . . . . . .

HUB MOUNTING

66

. . . . . . . . . . . . . . . . . . . . . . . . .

TESTING AFTER OVERHAUL

67

. . . . . . . . . . . . . . .

TESTING SERIES MACHINES

(Models 5GE752AUP, AUT)

67

. . . . . . . . . . . . . . .

TESTING SHUNT MACHINES

(Models 5GE752UP and US)

68

. . . . . . . . . . . . . .

REMOVING ARMATURE
LOCKING ARRANGEMENT

69

. . . . . . . . . . . . . . . . . .

LOCKING THE ARMATURE FOR SHIPMENT

69

. .

SHIPPING

69

. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .

HANDLING

69

. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .

CLEANING AND SLUSHING

69

. . . . . . . . . . . . . . .

SKIDDING

70

. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .

PROTECTION

70

. . . . . . . . . . . . . . . . . . . . . . . . . . . .

ARMATURES

70

. . . . . . . . . . . . . . . . . . . . . . . . . . . . .

PREPARATION OF BOX

70

. . . . . . . . . . . . . . . . . . .

BOXING THE ARMATURE

71

. . . . . . . . . . . . . . . . .

STORAGE

71

. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .

PLACING INTO STORAGE

71

. . . . . . . . . . . . . . . . .

REMOVING FROM STORAGE

72

. . . . . . . . . . . . .

Copyright 1992, 1993, 2005 General Electric Company. All rights reserved. This copyrighted document may be reproduced free of charge by

General Electric Company customers (OEM’s) and their customers, if such reproduction is used exclusively in connection with equipment used in
those customers’ internal operations.

These instructions do not purport to cover all details or variations in equipment nor to provide for every possible contingency to be met in connection with installation, operation, or mainte-
nance. Should further information be desired or should particular problems arise which are not covered sufficiently for the user’s purposes, the matter should be referred to the General
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obligation to keep the material up to date after the original publication.

THERE ARE NO WARRANTIES OF ACCURACY, MERCHANTABILITY OR FITNESS FOR PARTICULAR PURPOSE.

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About this manual

Brand
GE
Model
GE752
Document type
Manual
Language(s)
English
Pages
82
Format
PDF

Summary

Page 3 - TABLE 1. MODEL DIFFERENCES

Vertical Drilling Motor, Type GE752, GEK–91584D 3 TABLE 1. MODEL DIFFERENCES Motor Model Differences Superseded By 752UP1 This is a shunt motor with the following distinctions:– Has internal greasing tubes for both drive end (pinion end) and commutator–end bearings– Has a double–ended shaft. 752UP2 ...

Page 4 - DATA; “Resistance at 25

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:– H...

Page 9 - OVERHAUL; Overhaul intervals will depend on the severity of ser; LUBRICATION

Vertical Drilling Motor, Type GE752, GEK–91584D 9 decks by bolting or welding should not require additionalgrounding. (References: ABS Rules for Building andClassing Steel Vessels, Section 35.9.6, and IEEE Stan-dard 45–1977, Recommended Practice for Electrical In-stallations on Shipboard, Section 21...

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