GE VERTICAL DRILLING MOTOR GE752 - 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 . . . . . . . . . . . . .
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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-
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