TM9-2320-361-34 15-11. DISCHARGE VALVE REPAIR (M49A2C AND M50A3) THIS TASK COVERS: a. Disassembly c. Assembly b. Cleaning and Inspection INITIAL SETUP APPLICABLE MODELS REFERENCES (TM) M49A2C and M50A3 TM 9-2320-361-20 TEST EQUIPMENT Micrometer (Appendix B, Item 3) TOOLS TM 9-2320-361-34P EQUIPMENT CONDITION Discharge valve removed (TM 9-2320-361-20). General mechanic’s tool kit GENERAL SAFETY INSTRUCTIONS Eye protection must be worn when removing or installing valve housing cover and during load test of internal spring. Keep fire extinguisher nearby when using drycleaning solvent. (Appendix B, Item 1) ● Torque wrench, 1/2-in. dr. (Appendix B, Item 8) Spring tester (Appendix B, Item 38) MATERIALS/PARTS . Two seals (Appendix F, Item 222) Packing (Appendix F, Item 179) Disc (Appendix F, Item 24) Antiseize tape (Appendix C, Item 25) Rag (Appendix C, Item 16) Drycleaning solvent (Appendix C, Item 24) a. Disassembly WARNING Discharge valve internal spring is compressed in cap. Eye protection must be worn when removing screws and cap from valve housing. Failure to do this may cause injury to personnel. 1. 2. 3. 4. 5. 6. 7. 8. 9. 10. Remove strainer (2) from valve housing (7). Remove four setscrews (15) from valve housing (7). Remove cap (3) and spring (4) from stem (5). Remove stem (5) with holder (1), disc (17), and retainer (16) from valve housing (7). Remove retainer (16), disc (17), and holder (1) from stem (5). Discard disc (17). Remove nut (13) from bore (8) in valve housing (7). Remove seals (11) and (14) from bore (12) in nut (13). Discard seals (11) and (14). Remove cam stem (10) from cam (6) and valve housing (7). Remove cam (6) from valve housing (7). Remove packing (9) from bore (8) in valve housing (7). Discard packing (9). 15-42