TM 9-2320-361-34 15-9. TANK BODIES FRAME SILL MAINTENANCE THIS TASK COVERS: a. Removal c. Installation b. Inspection INITIAL SETUP APPLICABLE MODELS M49A2C, M50A2, and M50A3 REFERENCES (TM) TM 9-2320-361-34P TOOLS EQUIPMENT CONDITION General mechanic’s tool kit (Appendix B, Item 1) Tank body removed (para. 15-8). Breaker bar, 1/2-in. dr. (Appendix B, Item 15) GENERAL SAFETY INSTRUCTIONS 1-1/8-in. socket, 1/2-in. dr. (Appendix B, Item 10) ● Use care when working under tank body. 1-1./4-in. socket, 1/2-in. dr. (Appendix B, Item 19) ● Ensure lifting capacity is greater than weight of Torque wrench, 1/2-in. dr. (Appendix B, Item 7) tank body. MATERIALS/PARTS Two locknuts (M49A2C and M50A3) (Appendix F, Item 89) Three locknuts (M50A2) (Appendix F, Item 89) WARNING ● Be careful when working under tank body placed on supports. Tank body may fall causing injury to personnel. ● Ensure lifting capacity is greater than weight of tank body. Failure to do so may cause injury to personnel. a. Removal NOTE ● Perform steps 1 through 3 for M50A2 sill removal. ● Perform step 4 for M49A2C sill removal. ● Perform steps 5 and 6 for M50A3 sill removal. 1. Remove locknut (8), washer (9), and screw (12) from frame sill (7). Discard locknut (8). 2. Remove locknut (11), screw (2), and bracket (10) from bracket (3). Discard locknut (11). NOTE Assistants will help remove frame sill. 3. Remove locknut (4), washer (5), screw (6), and frame sill (7) from tank body (l). Discard locknut (4). 15-32