TM 9-2320-365-34-2 13-7.   SHOCK MOUNT CROSSMEMBER REPLACEMENT This task covers: a. M1078/M1079 Removal b. M1078/M1079 Installation c.  M1081 Removal d. M1081 Installation e. Follow-On Maintenance INITIAL SETUP Equipment Conditions Cargo bed removed (para 15-8). Van body removed (TM 9-2320-365-20-4). Stabilizer mounting bracket removed (para 14-7). Rear bumper removed (para 13-8). Resilient mount and mechanical stops removed (M1078/M1079) (TM 9-2320-365-20-3). Rear crossmember removed (para 13-6). Load sensing valve and bracket removed (TM 9- 2320-365-20-3). Rear spring bracket removed (para 13-9). Frame plates removed (M1081) (para 13-11). Tools and Special Tools Tool Kit, Genl Mech (Item 68, Appendix B) Wrench, Torque, 0-150 lb-in. (Item 79, Appendix B) Wrench, Torque, 0-150 lb-ft (Item 78, Appendix B) Wrench, Torque, 0-175 lb-ft (Item 80, Appendix B) Wrench, Torque, 0-600 lb-ft (Item 85, Appendix B) Wrench Set, Socket (Item 74, Appendix B) Goggles, Industrial (Item 25, Appendix B) Wrench, Impact, Electric (Item 77, Appendix B) Tools and Special Tools (Cont) Socket Set, Impact (Item 50, Appendix B) Wrench Set, Socket (Item 75, Appendix B) Materials/Parts Nut, Self-locking (4) (Item 126, Appendix F) Nut, Self-locking (2) (Item 127, Appendix F) Nut, Self-locking (16) (Item 134, Appendix F) (M1078/M1079) Nut, Self-locking (2) (Item 134, Appendix F) (M1081) Nut, Self-locking (2) (Item 142, Appendix F) (M1078/M1079) Nut, Self-locking (2) (Item 142, Appendix F) (M1081) Nut, Self-locking (6) (Item 136, Appendix F) Nut, Self-locking (2) (Item 148, Appendix F) Bolt (14) (Item 5, Appendix F) (M1078/M1079) Ties, Plastic, Cable (Item 89, Appendix C) Personnel Required (2) WARNING Wear   appropriate   eye   protection   when working     under     vehicle     due     to     the possibility  of  falling  debris. Failure  to comply may result in injury to personnel. a.   M1078/M1079 Removal. NOTE Perform steps (1) and (2) on LH side. (1)  Remove self-locking nut (1), screw (2), and bracket (3) from frame rail (4).   Discard self-locking nut. (2)  Remove self-locking nut (5), clamp (6), terminal lug TL93 (7), self-locking nut (8), lockwasher (9), and screw (10) from   frame   rail   (4). Discard   self-locking   nuts   and lockwasher. Change 1 13-17