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TABLE OF CONTENTS
I. INTRODUCTION 3
PRODUCT DESCRIPTION 4
PART NUMBERING SYSTEM 5
II. INSTALLATION 6
RECEIVING & PREPARATION 6
ACTUATORS 6
ORIENTATION 6
WELDING, STRESS-RELIEVING & INSULATION 7
POST INSULATION PROCEDURES 7
III. OPERATION 8
LUBRICATION 8
TORQUE TABLES 8
STEM ROTATION & POSITION 9
ACTUATORS 9
IV. MAINTENANCE 9
DISASSEMBLY 9
REPAIR & REWORK 10-11
BELLVILLE SPRING HEIGHTS 11-12
RE-ASSEMBLY 12-13
INSTALLING ACTUATOR 13
PRESSURE SEAL 14
BALL CAP 14
LOCK-UP GAP FOR LARGE BORE VALVES 15
BELLVILLE SPRING STAND OFF 15-16
COMPLETE ASSEMBLY 17
V. TESTING 18
TROUBLE SHOOTING 18
PARTS INVENTORY PLANNING 19
RECOMMENDED SPARE PARTS 19
FACTORY AUTHORIZED SERVICE CENTERS 20
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