TM 9-2320-209-34-2-2 17-52. FEED AND DRIVE CLUTCH AND BRAKE ASSEMBLIES AND CLUTCH PINIONS REMOVAL, REPAIR, AND REPLACEMENT (TRUCK M764). TOOLS: Hook spanner wrench, pn 11623221 Hook spanner wrench, pn 11623223 SUPPLIES: Brake shell and clutch case cap gasket (2) Clutch housing-to-throw cam housing gasket (4) Lubricating oil, ICE, OE/HDO 10, MIL-L-2104 Solvent, dry cleaning, type II (SD-2), Fed. Spec P-D-680 Artillery and automotive grease, type GAA, MIL-G-10924 Safety wire, 0.091-inch diameter Cotter pin (2) Cover gasket PERSONNEL: One EQUIPMENT CONDITION: Truck parked, engine off, handbrake set. a. Preliminary Procedures. (1) Remove earth boring case. Refer to para 17-46. (2) Drain lubricant from clutch and brake gearcase. Refer to LO 9-2320-209-12/1. SHAFT 17-642