US Army Technical Manual, TM 9-1005-298-34, ARMAMENT SUBSYSTEM, HELICOPTER, 7.62 MILLIMETER, MACHINE GUN: HIGH RATE, XM27E1 (1005-933-6242) (USED ON OH-6A HELICOPTERS), 1969

US Army Technical Manual, TM 9-1005-298-34, ARMAMENT SUBSYSTEM, HELICOPTER, 7.62 MILLIMETER, MACHINE GUN: HIGH RATE, XM27E1 (1005-933-6242) (USED ON OH-6A HELICOPTERS), 1969

Scope
a. This manual contains instructions for direct and
general support maintenance of armament subsystem
XM27E1

CHAPTER 1. INTRODUCTION
SECTION I. General
SECTION II. Description and data
CHAPTER 2. DIRECT AND GENERAL SUPPORT
MAINTENANCE INSTRUCTIONS
SECTION I. Repair parts, special tools, and equipment
SECTION II. Troubleshooting
SECTION III. Preembarkation inspection of material in units alerted for overseas movement
SECTION IV. General maintenance
SECTION V. Removal and installation of major components
CHAPTER 3. REPAIR OF GUN ASSEMBLY
SECTION I. Gun assembly
SECTION II. 7.62 Millimeter gun M134
SECTION III. Delinking feeder MAU-56/A
SECTION IV. Electric gun drive assembly
SECTION V. Sensing unit and cable assembly
CHAPTER 4. REPAIR OF FAIRING ASSEMBLY
CHAPTER 5. REPAIR OF MOUNT ASSEMBLY
SECTION I. Mount assembly
SECTION II. Ammunition container assembly
SECTION III. Electrical system assembly
SECTION IV. Housing and tube assembly
CHAPTER 6. REPAIR OF HELICOPTER REFLEX SIGHT XM70E1
CHAPTER 7. FINAL INSPECTION
APPENDIX A. REFERENCES