INSPECT DAMPER HOUSING COMPONENTS.
a. Check recoil damper rod spring (1) for free length of 1-3/4 in. ± 11/32 in. (44.5 mm ± 8.7 mm). If length is incorrect, replace recoil damper rod spring.
b. Check reservoir piston helical spring (2) for free length of 6-13/32 in. ± 1-9/32 in. (162.7 mm ± 32.5 mm). If length is incorrect, replace helical spring.
c. Visually inspect damper housing plug (3), damper housing cap (4), recoil damper rod (5), damper spring valve (6), helical spring (7), damper sleeve spacer (8), reservoir piston helical spring (9), reservoir piston (10), and damper housing (11) for cracks, galls, and damaged threads. If any of these conditions are found, replace defective part.
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