MAINTENANCE OF MACHINE GUN RING MOUNT ASSEMBLY (M66)

TM-9-2350-247-10 Hull and Related Components Recovery Vehicle Full Tracked: Light Armored M578 (2360-00-439-6242) (EIC:3LA) Manual
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TM 9-2350-247-10 MAINTENANCE OF MACHINE GUN RING MOUNT ASSEMBLY (M66) 0074 00 THIS WORK PACKAGE COVERS: Adjustment of Equilibrator Spring (page 0074 00-1). INITIAL SETUP: Maintenance Level Operator Tools and Special Tools Adjustable Wrench (WP 0081 00, Item 43) Personnel Required Driver Equipment Condition Engine stopped (WP 0023 00), (WP 0024 00) ADJUSTMENT NOTE The only maintenance the machine gun ring (M66) may require is an occasional adjustment of the equilibrator spring. 1. Make sure the travel lock pin is in place. 2. Check the machine gun with ammunition balance. 3. Use your adjustable wrench to hold the equilibrator case in position. 4. Take out the screw and washer, and loosen or tighten the equilibrator spring using the wrench. 5. Move the equilibrator case until the new hole you want is lined up with the threaded hole in the cradle. Install the washer and screw. 6. Repeat as necessary, until the machine gun and ammunition are pretty well balanced. END OF TASK 0074 00-1/2 blank

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