TM 10-8415-208-12 Table 3-2.  Unit Preventive Maintenance Checks and Services for the STEPO-I A - After Operation Q - Quarterly INTERVAL Item Item To Be Procedures Equipment Is No. Inspected Check For And Have Repaired Not Ready/ A Q Or Adjusted As Necessary Available If: Encapsulating Protective Suit 1 Fabric Lay suit flat.  Look for holes, cuts, pits, Damaged fabric is blisters, delamination, tunnels, lumps or found. imbedded foreign matter, uncoated areas, and scratches, abrasions, cracks, rips and tears on the inside and outside of the suit.  Mark with chalk.  (See paragraph 3-6.1) 2 Slide Fastener Ensure slide fastener is in good Non-working slide working order. fastener. 3 Lubricate with paraffin. Non-working slide fastener. 4 Storm Flap Inspect hook and pile fastener tape Loose hook and pile to make sure it is not coming loose. fastener tape. NOTE Damage may appear between the finger area. 5 ·    Glove Inspect for a tight assembly, A loose assembly or Assembly cuts, cracks, rips and tears. damage is found. 6 ·    Seams Ensure seam areas are not coming Seams are loose. loose. Inspect for open seam completely Blisters, delamination, through suit, strapping not cemented so tunnels, loose strap- it pulls off seam with little resistance, ping, open seam or blisters, delamination, tunnels and ex- exposed stitching is posed stitching. found. 7 View Window Inspect for a tight seal and cracks. Loose seal or Clean window using a clean, damp cracked window. cloth, to remove dust and dirt. 8 Ensure view window overlay is Overlay is missing. in place. 9 Passthrough Inspect suit opening and Enlarged opening or Assembly assembly preformed packing for damaged preformed a proper and tight fit. packing.  Loose fit. NOTE Suit plugs are red and larger than the valves. 10 · Exhalation Ensure valves are installed for Suit arranged for the Valves/Plugs the tether system and plugs are wrong system. installed for the rebreather system. Change 2  3-136