Filter
Top Products
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. . . . . . . . . . . . .
ECopyright 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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sentative for assistance.
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