Wear eye protection when removing retaining ring. Personnel can be blinded if struck in the eye by retaining ring under spring tension.
2. REMOVE STRAIGHT DRIVE SHAFT.
a. Remove retaining ring (3) from straight drive shaft (4). Discard retaining ring.
b. Press button (5) in center of straight drive shaft handle (6) and pull straight drive shaft (4) from bottom of auto gun receiver (1).
Visually inspect straight drive shaft (1) for bends, cracks, and missing or defective spring (2). Verify that button (3) has not loosened. If any of these conditions are found, replace straight drive shaft.
LUBRICATE STRAIGHT DRIVE SHAFT.
Using acid brush, apply a light coat of grease to entire length of straight drive shaft splines.
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