TM 10-8415-208-12(11) Tighten valve body (15) using the relief valve tool from the service kit.(12) Position diaphragm assembly (14) on center section (6) by running a finger around the diaphragm lip topull it over the bottom of center section (6).(13) Position diaphragm clamp (13) with the screw opposite regulator tube (8) and bypass tube (9) connectionsand tighten.(14) Place center section (6) in lower housing (12) ensuring the connections for regulator tube (8) and bypasstube (9) are properly aligned.(15) Install washers (11) and screws (10) into center section (6). Tighten screws (10) evenly.(16) Connect regulator tube (8) and bypass tube (9) to center section (6).(17) Carefully push anti-rotation collar (7) over regulator tube (8) and bypass tube (9) connections.(18) Connect exhalation hose (5) to center section (6) using hose clamp (4).(19) Connect coolant canister hose (2) to coolant canister (3).(20) Perform the Breathing System Leak Test. Refer to paragraph 3-10.4.2.(21) Install top cover (1).3-10.4 Testing.NOTEAll tests shall be performed in the following order: breathing system leak test, plumbing leak test (ifrequired) and the oxygen constant flow rate test.All tests shall be performed at the interval-specified in the Unit PMCS table, after maintenance asspecified, or when equipment damage is suspected.It is recommended that one oxygen bottle be designated as a "test bottle" and used to perform all requiredtests.3-119
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