TM 10-3930-669-20 4-13.  OIL FILTER TRAY REPLACEMENT (CONT). (3) Install two hoses (33 and 34) on fittings (35 and 36) and tighten clamps (32). (4) Install two hoses (28 and 29) on elbows (30 and 31) and tighten fittings (26 and 27). (5) Install two wires (25) on oil pressure sensor (19) with lock washer (24) and screw (23). (6) Install wire (22) on oil pressure sensor (19) with lock washer (21) and screw (20). (7) Position cap (18) on oil pressure sensor (19). 4-46