TM  10-3930-638-24&P 4-4.   TRANSMISSION   MAINTENANCE   (cont) a. Torque Converter Group (cont). e. O-ring (11) STEP LOCATION ITEM ACTION REMARKS REASSEMBLY  (cont) Install (cont) CAUTION Be careful when you install assembled impeller cover (10) not to damage O-ring (11 ). 35 Converter a.  Assembled  impeller Install Install in impeller (20). Be sure you align housing cover (10) retaining washer (14) with turbine shaft (see  illustration  below) Tighten 11 inch impeller cover screws to 12-16 pounds foot torque; tighten 12 inch impeller cover screws to 23-25 pounds  foot  torque b. 18 screws and lock washers (9) Install 4-149