TM 10-3930-660-34 3-19.  FRONT HOUSING AND COVER - REPLACE/REPAIR (Cont’d) 8. IF NECESSARY, REMOVE DATAPLATE (19) FROM GEAR HOUSING (9) BY REMOVING TWO DRIVE SCREWS (20). 9. IF NECESSARY, REMOVE COVER PLATE (21) AND GASKET (22) FROM BACK OF GEAR HOUSING (9) BY REMOVING TWO CAPSCREWS (23). DISCARD GASKET (22). CLEANING See Cleaning Instructions, para. 2-10. INSPECTION See Inspection Instructions, para. 2-11. ASSEMBLY CAUTION If a new housing is installed, the timing pin assembly must be accurately located. Failure to do so could result in improper timing adjustment. 1. IF REMOVAL WAS NECESSARY, INSTALL COVER PLATE (21) AND NEW GASKET (22) ONTO BACK OF GEAR HOUSING AND RETAIN WITH TWO CAPSCREWS (23). 2. IF REMOVAL WAS NECESSARY, INSTALL DATAPLATE (19) ONTO GEAR HOUSING (9) AND RETAIN WITH TWO DRIVE SCREWS (20). 3. INSTALL NEW O-RING (18) INTO HOUSING (14). 4. INSTALL TIMING PIN (15) INTO HOUSING (14). 5. INSTALL RETAINING RING (17) INTO HOUSING (14). 6. INSTALL NEW RECTANGULAR RING SEAL (16) INTO HOUSING (14). 3-119