TM 10-3930-669-20 7-49.  ENGINE GROUND STRAP REPLACEMENT. This task covers: a.    Removal b.    Installation INITIAL SETUP Tools and Special Tools Tool Kit, General Mechanic's: Automotive (Item 1, Appendix B) Wrench, Torque (0 to 175 lb-ft [0-237 N•m]) (Item 2, Appendix B) Materials/ Parts Nut, Lock Equipment Condition Engine OFF (TM 10-3930-669-10) Parking brake applied (TM 10-3930-669-10) Wheels chocked (TM 10-3930-669-10) Engine ventilation panel removed (Para 6-2) Batteries disconnected (Para 7-48) a. Removal WARNING BURN HAZARD Allow engine to cool before performing maintenance on the muffler, exhaust pipe, exhaust manifold, or turbocharger.  If necessary, use insulated pads and gloves. (1) Remove screw (1), washer (2), and engine ground strap (3) from engine mount (4) and engine (5). (2) Remove lock nut (6) and engine ground strap (3) from screw (7) and forklift (8).  Discard lock nut. 7-116