TM 10-3930-659-20 14-8. TRANSMISSION BOTTOM GUARD REPLACEMENT. This Task Covers: a. Removal b. Installation Initial Setup: Equipment Conditions: Tools/Test Equipment: • Parking brake set (see TM 10-3930-659-10). •  General mechanic's tool kit (Item 44, Appendix F) • Battery disconnect switch in OFF position (see •  Hydraulic jacks, 12 ton (two) (Item 21, Appendix F) TM 10-3930-659-10). References: Personnel Required:  Two •  TM 10-3930-659-10 a. REMOVAL 1. Position two hydraulic jacks under transmission bottom  guard  (2).    Raise  hydraulic  jacks  until weight of transmission bottom guard is supported. 2. Remove  six  screws  (4)  and  washers  (3)  from transmission bottom guard (2) and frame (1). TA706811 14-22