Installation Continued

4. INSTALL HEADED STRAIGHT PIN.

Insert headed straight pin (9) through holes in recoil housing cap (7) and recoil damper rod (8).

5. INSTALL NEW COTTER PIN.

a. Insert new cotter pin (10) through hole in headed straight pin (9).

b. Bend cotter pin (10) ends in opposite directions around headed straight pin (9).

6. TIGHTEN DAMPER NUT.

a. Finger-tighten damper nut (6) so that it contacts breech tab (11).

b. Torque damper nut (6) to 108 ft-lb ± 8 ft-lb (146.45 N-m ± 10.85 N-m).

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