AIR DRYER DESICCANT CARTRIDGE REPLACEMENT

AIR DRYER DESICCANT CARTRIDGE REPLACEMENT - cont - TM-5-3810-306-20_330

TM-5-3810-306-20 Container Crane 40-Ton Rough Terrain Model RTB75CC Manual
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TM 5-3810-306-20 AIR DRYER DESICCANT CARTRIDGE REPLACEMENT TOOLS: General mechanic’s tool kit: automotive (5180-00-177-7033) SUPPLIES: Desiccant Cartridge (Item 26, Appendix C) EQUIPMENT CONDITIONS: Crane wheels are chocked. Air system is purged. (Refer to page 11-2.) Disconnect ground cable at shunt. (Refer to page 8-109.) REMOVAL: 1. REMOVE DESICCANT CARTRIDGE ASSEMBLY (9) AND DESICCANT PLATE ASSEMBLY (6). a. Disconnect the heater lead. b. Disconnect air control line from purge valve on end cover. c. Loosen three capscrews (1) on end cover (2) and turn retaining clamps (3) aside (capscrews may be left finger tight.) d. Locate notch in dryer shell (4). While pushing end cover (2) up into dryer, insert blade of screwdriver in notch and slowly pry out retainer ring (5). Remove end cover assembly and set it aside temporarily. NOTE Be certain desiccant plate assembly (6) comes out with cartridge assembly (9). e. Loosen bolt (16) and remove cartridge assembly (9) and desiccant plate assembly (6). 2. DISASSEMBLE DESICCANT PLATE ASSEMBLY (6) AND DESICCANT CARTRIDGE ASSEMBLY (9). NOTE It is recommended that all non- metallic parts be replaced when the sealing plate is removed. NOTE The plate is spring loaded; however, the spring load is completely relieved when the lock nut (7) is removed. a. Carefully remove locknut (7) on top of desiccant plate assembly (6). NOTE If the desiccant cartridge assembly is to be replaced as an assembly rather than be rebuilt, the cartridge assembly may be discarded after the desiccant plate assembly is removed. b. Separate desiccant plate assembly (6) from desiccant cartridge assembly (9). c. Remove two preformed packings (10 and 11) from desiccant plate (8) and discard them. 11-14

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