TM 5-4220-225-14
(3)
Replace (lower breech ring retainer). (figure 5-3)
(a)
Remove 20 screws (1), three jocking harness brackets (2), lower breech ring retainer (3), and neck dam (4)
(or drysuit) from breech ring (5).
(b)
Install neck dam (4) (or drysuit) on breech ring (5) and secure with new lower breech ring retainer (3), three
jocking harness brackets (2), and 20 screws (1). Torque screws to 18-20 in.-lb (2.1-2.3 Nm) using a
staggered sequence.
Figure 5-3. Lower Breech Ring Retainer, Replace.
5-9