ASSIGNMENT 5 Textbook Assignment: "M61A1 Gun Installation," chapter 6, pages 6-1 through 6-20; and "Ammunition Loading," chapter 7, pages 7-1 through 7-16. 5-1. An M61A1 automatic gun can be internally mounted in which of the following aircraft? 1. P-3 2. F-14 only 3. F/A-18 only 4. F-14 and F/A-18 5-2. An M61A1 automatic gun is (a) driven and (b) controlled by what means? 1. (a) Electrically (b) pneumatically 2. (A) Hydraulically (b) electrically 3. (A) Electrically (b) electrically 4. (A) Hydraulically (b) pneumatically 5-3. As installed in Navy aircraft, an M61A1 automatic gun has what pilot-selectable firing rate of (a) GUN HIGH and (b) GUN LOW rounds per minute? 1. (a) 6,000 (b) 4,000 2. (a) 7,000 (b) 4,000 3. (a) 7,000 (b) 5,000 4. (a) 8,000 (b) 5,000 5-4. What components are the primary parts of an M61A1 automatic gun? 1. The barrels, housing assembly, and muzzle clamp assembly 2. The housing assembly, muzzle clamp assembly, and clearing sector assembly 3. The barrels,rotor assembly, and housing assembly 4. The muzzle clamp assembly, rotor assembly. and barrels 5-5. What component of an M61A1 automatic gun restrains individual barrel movement during firing? 1. The guide bar 2. The recoil adapter 3. The muzzle clamp assembly 4. The mid-barrel clamp assembly 5-6. What means are used to secure the gun barrels to the stub rotor of an M61Al automatic gun? 1. Pipe threads 2. Standard threads 3. Interrupted locking lugs 4. Barrel retaining safety pins 5-7. What components are mounted on the 5-8. 5-9. bearing retainer and provide the front mounting for an M61A1 automatic gun? 1. The recoil adapters 2. The housing assembly 3. The forward yoke assembly 4. The rotor housing assembly On an M61A1 automatic gun, what components support the breech-bolt assemblies and provide a guide for the forward and backward movement of the bolt? 1. The elliptical tracks 2. The main cam paths 3. The rotor tracks 4. The oval cam paths To install or remove the bolt assembly of an M61A1 automatic gun, what component should you remove? 1. The locking cam 2. The unlocking cam 3. The housing cover 4. The lubricator assembly 5-10. What type of lubricant should you use in the lubricator assembly of an M61Al automatic gun? 1. DOD-L-85336 2. MIL-L-56000 3. VV-L-700 4. VV-L-800 5-11. What are the two distinct cycles of M61A1 automatic gun operation? 1. Firing and clearing 2. Loading and unloading 3. Feeding and extracting 4. Clearing and loading 5-12. As viewed from the rear, in what direction does the rotor move when an M61A1 automatic gun is operating? 1. Clockwise 2. Counterclockwise 3. Vertically 4. Horizontally 23