Operator Preventive Maintenance Checks and Services For Diving Operations

TM 5-4220-231-14&P Table 2-1. Operator Preventive Maintenance Checks and Services For Diving Operations - (Con't). B-Before D-During A-After W-Weekly ITEM INTERVAL ITEM TO BE INSPECTED. Equipment is NO Not Ready/ B D A W PROCEDURE Available If: 18 0 0 Flasks, HP (Con't) Con't Delamination A whitish patch like a blister or airspace is present. Fire Damage Fire damage is evident by charring or burning of the composite labels, paint, or plastic components of the valves. WARNING Before testing flask valves, ensure all personnel are clear of area to avoid possible injury from flying debris. DO NOT OPEN VALVE IF ANY DAMAGE IS DETECTED. Before opening valves, ensure protective caps have been removed from hose couplings. When inspecting valve control, DO NOT OPEN VALVE FULLY. Failure to comply could result in death or injury to personnel. Wear protective eyewear when inspecting HP flask to avoid eye injury due to flying debris. 19 0 0 Valves, HP Flask (19). Inspect valve for Any damage damaged shaft, handle, and assembly. Replace is noted. handle if broken. 0 (Partially open valve until air flow is confirmed. Close valve.) o Inspect thermo relief valve and pressure relief valve for damage. L 2-26