TM-9-2350-311-34-2 Maintenance Manual for Volume 2 M109 Cab Download
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TM 9-2350-311-34-2 7-1 RAMMER ASSEMBLY-CONTINUED a. Removal - Continued Weight of lower gun shield is approximately 57 pounds (26 kg). Two persons are required for remov- al of lower gun shield to avoid injury. 6 Remove eight cap screws (14) eight lockwashers (15), and lower gun shield (16). Discard lockwashers. 7 Remove two pipe plugs (17) from lower gun shield (16) if threads are cracked or stripped. 8 Loosen two hex nuts (18) and two setscrews (19). 9 Remove two cap screws (20) and retaining plate (21) from mount (22). NOTE When rammer assembly has been removed to facilitate tray removal of cannon, replace lower gun shield and stow rammer assembly with hoses attached on cab floor directly beneath cannon mount. 10 Remove cap screw (23) from rammer bumper (24) and sleeve spacer (25). Weight of rammer assembly and shaft assembly is approximately 198 pounds (90 kg). Two persons are required for removal and installation to avoid injury. 11 Slide rammer assembly (6) with rammer bumper (24) and sleeve spacer (25) rearward on shaft (26) until clear of mount (22). 12 Reset tension on adjuster (TM 9-2350-311-10). 13 Close breechblock (5). 7-4