TM10-3930-660-34 5-3.  RADIATOR - REPAIR This task covers: a.  Disassembly b.  Cleaning c.  Inspection d.  Assembly Initial Setup Tools Tool Kit, Automotive Mechanics Tool Kit, Machinists: Post, Camp and Station Equipment Condition Radiator removed, TM10-3930-660-20. DISASSEMBLY 1.   IF NECESSARY, REMOVE EIGHT SCREWS (1) AND SHROUD (2) FROM RADIATOR (3). 2.   REMOVE DRAIN PETCOCK (4). WARNING Do not exceed 30 psig nozzle pressure when using compressed air.  Do not direct compressed air against skin. Failure to follow this precaution could cause personal injury. CAUTION Do not attempt to clean radiator core fins with any sharp instrument.  A sharp instrument may damage core, leading to leakage from core. 1.   REMOVE DIRT AND OTHER DEBRIS FROM CORE FINS USING COMPRESSED AIR. 2.   REMOVE ANY SURFACE CORROSION FROM UPPER AND LOWER TANKS USING A WIRE BRUSH OR SANDPAPER. 5-3 CLEANING