TM 9-2320-365-20-5
CHAPTER 21
ARMAMENT/SIGHTING AND FIRE CONTROL MATERIEL MAINTENANCE
RESTRICTED MAINTENANCE NOTICE
Units not authorized SC 4910-95-CL-A72 (SHOP EQUIPMENT, COMMON NO. 2) in their T.O.E. may
be unable to perform some of the maintenance tasks described in this chapter. If the required tools
are not authorized, the equipment must be submitted to DS Maintenance for repair.
Section I. INTRODUCTION
. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 21-1
21-1. INTRODUCTION . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 21-1
Section II. MAINTENANCE PROCEDURES . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 21-2
21-2. MACHINE GUN RING REPLACEMENT . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 21-2
21-3. MACHINE GUN RING LOWER PLATFORM REPLACEMENT . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 21-5
21-4. MACHINE GUN RING TOP PLATFORM REPLACEMENT . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 21-7
21-5. MACHINE GUN RING CENTER SEAT REPLACEMENT
. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 21-8
21-6. MACHINE GUN RING ROOF SUPPORT REPLACEMENT . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 21-10
21-7. SMALL ARMS MOUNT REPLACEMENT . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
21-12
Section I. INTRODUCTION
21-1. INTRODUCTION
This chapter contains maintenance instructions for replacing armament/sighting and fire control materiel components
authorized by the Maintenance Allocation Chart (MAC) at the Unit Maintenance level.
Change 1
21-1
