TM 9-2320-209-34-2-1 Section IV. TRAILER BRAKE CONNECTIONS AND CONTROLS 12-7. AIR BRAKE HAND CONTROL VALVE REPAIR. TOOLS : No special tools required SUPPLIES : Solvent, dry cleaning, type II (SD-2), Fed. Spec P-D 680 Grease, artillery and automotive, type GAA, MIL-G-10924 Kit, hand control valve, pn 8720224 PERSONNEL: One EQUIPMENT CONDITION : Truck parked, engine off, handbrake set. a. Preliminary Procedure. Remove air brake hand control valve. Refer to TM 9-2320-209-20. 12-59