TM 10-5430-243-12&P 0002 00 0002 00-1 Change 1 – 28 April 2002 OPERATOR AND UNIT MAINTENANCE MANUAL (INCLUDING REPAIR PARTS AND SPECIAL TOOLS LIST) TANK, FABRIC, COLLAPSIBLE, WATER STORAGE, 20,000 AND 50,000 GALLONS EQUIPMENT DESCRIPTION AND DATAEQUIPMENTCHARACTERISTICS, CAPABILITIES, AND FEATURES Characteristics, capabilities, and features of the 20K and 50K collapsible fabric water tank assemblies include: a. Easily transportable when empty and quickly sets up in the field. Primarily used in quick-response deployment operations. Provides long life in both hot and cold climates. b. Collapsible container designed to store potable water only. It will store water that is off-loaded from shipping tankers or pumped from wells. When filled, the tank assumes a pillow shape with the length and width decreasing inward from flat dimensions approximately one foot each and gaining in height four to five feet. c. The self-erecting pillow-shaped water tank is provided with a safety vent to prevent overfilling and quick disconnect couplings and fittings to allow for rapid connection of system water hoses. d. Handles aid positioning and movement of empty tank. e. Compatible with all standard military water storage and handling equipment. f. Tank is self-supporting and does not require earth embankment support on level ground. g. Tank is composed of a reinforcing fabric impregnated with an elastomeric coating on both sides, which is suitable for drinking water. The tank materials are designed to resist exposure effects from extreme temperatures, rain, snow, ice, fungi growth and high humidity conditions. h. Five fittings are bonded into the tank for attaching a vent fitting assembly, two filler/discharge assemblies, and two drain assemblies. i. A vent fitting assembly is integral to the tank on top center to relieve pressure as the tank is filled. j. Small cuts and holes easily repaired with the kit supplied. k. All tank models are equipped with a ground cloth to protect the tank bottom from punctures. LOCATION AND DESCRIPTION OF MAJOR COMPONENTS Refer to WP 0004 00. DIFFERENCES BETWEEN MODELSThe 20K and 50K tank models are similar except for variations in size and weight. The 20,000 Gallon (75,710-liter) tank has a different envelope from that of the 50,000 Gallon (189,300-liter) tank, but functions the same and has very similar fittings. Each unit consists of an elastomeric-coated collapsible fabric water tank with two filler/discharge assemblies with elbow fittings, a vent fitting assembly with vent relief cap, a drain valve assembly with 8.0 foot (2.44 meter) drain hose and ball valve, a 10.0-foot (3.05 meter) filler/discharge hose assembly with ball/gate valve, a tank repair kit containing emergency repair items, a spare parts package consisting of o-rings and gaskets, and, for Reliance and MPC tank models, two lift slings. A separate nylon coated fabric ground cloth protects the tank bottom from punctures on all tank models.
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