TM 5-3805-260-24DOUBLE CHECK VALVEREMOVE AND INSTALL DOUBLE CHECK VALVE1. Disconnect tube assembly (1) from check valve (2).NOTE: Tag tube assemblies as they are removed. This will aidin reassembly.2. Disconnect tube assemblies (3) and (4) from tee (5).Remove tee (5) from check valve (2).3. Disconnect check valve (2) from valve (6) at fitting (7).4. Remove nut (8), washer (9), bolt (10), and check valve (2).5. Secure check valve (2) with bolt (10), washer (9), and nut(8).6. Connect check valve (2) to valve (6) at fitting (7).7. Connect tee (5) to check valve (2).8. Connect tube assemblies (4) and (3) to tee (5).9. Connect tube assembly (1) to check valve (2).DISASSEMBLE AND ASSEMBLE DOUBLE CHECK VALVE1. Remove two screws (1), washer (2) and tag (3).2. Remove cap (4) and seal (5).3. Remove shuttle (6) and sleeve (7) from body (8). Inspectshuttle (6) and sleeve (7) for excessive wear or damage;replace as necessary.4. Install sleeve (7) and shuttle (6) into body (8).5. Install seal (5) and cap (4).6. Install and tighten two screws (1) with tag (3) and washer(2).3-280
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