SECTION II. SERVICE UPON RECEIPT

TM 5-4220-226-14&P SECTION II. SERVICE UPON RECEIPT 4-4. Introduction. This section provides information and procedures for the receipt, installation, and testing of the Superlite 17B Diving Helmet. 4-5. Initial Inspection. Upon receiving the helmet, all parts should be inspected and tested. The equipment may not be ready for immediate operational use and some parts may require special preparation. a. Inventorv. Upon receiving the equipment an inventory of the helmet should be completed. To ensure receipt of all items, the shipment should be compared with packing lists included in the shipping documentation. b. Inspection. Remove each item from the shipping container and perform a thorough inspection for any deviation from good manufacturing and packaging processes, such as incompleteness of assembly, faulty workmanship, rust, dirt, delamination, cracks, deterioration, and corrosion. Specific items to be inspected are indicated in the following subparagraphs. (1) Helmet assembly. The helmet assembly is inspected to ensure all components are present and in a condition suitable for use according to U.S. Army Diving Manual and PMCS listed in Chapter 2 of this technical manual. (a) Check oral-nasal mask, nose clearing device padding, head cushion foam, and whisker for signs of deterioration and damage. (b) Inspect frame and faceplate for chips, scratches, and gouges. (c) Open and close the emergency air valve, steady flow valve, and dial-a-breath to ensure smooth and proper operation. Maneuver nose clearing device in and out to check for ease of operation. (d) Ensure side block, bent tube assembly, and exhaust valve covers and other metal parts are free of dents or other signs of damage. (e) Inspect communications set and whip for corrosion. (f) Inspect for loose, missing, or damaged screws. (2) Spare kits and regulator adjustment kits. The helmet includes spare kits and regulator adjustment kits. Each kit is to be inventoried and inspected for completeness and suitable operating condition. c. Maintenance Check. Examine maintenance records accompanying the shipment to verify that required preventive maintenance checks and services have been performed. Perform all preventive maintenance checks and services as scheduled before operational use of the equipment. 4-2