TM-9-2350-311-10 M109 Operator's Manual for M109A2, M109A3, M109A4 and M109A5 Download
Page 473 of 775
TM 9-2350-311-10 3-6 ARMAMENT AND CAB MAINTENANCE — CONTINUED 3-6.8 Breech Mechanism —Continued b. Inspection of Spindle Assembly Components — Continued (b) Maximum allowable gap at split of front retaining ring (37) is 1/16 inch (1.6 mm). No gap is allowed for rear retaining ring (34). 3-69