TM 10-3930-660-34 3-19.  HOUSING AND COVER - REPLACE/REPAIR This task covers: a.   Removal b.   Disassembly c.    Cleaning d.   Inspection e.   Assembly f. Installation Initial Setup Tools Materials/Parts Tool Kit, Automotive Mechanics Gaskets (8, 11, 23) Loctite #277 (App. B, Item 44) Shop Equipment, Automotive Oil Seal (13) Maintenance, Common #2 Less O-Ring (19) Power Rectangular Ring Seal (17) Equipment Condition Engine removed, para. 3-3. Tachometer drive removed, TM 10-3930-660-20. Fan and fan belt removed, TM 10-3930-660-20. REMOVAL 1. REMOVE FOUR CAPSCREWS (1) AND VIBRATION DAMPER (2). NOTE Capscrews which retain the gear housing and cover are of three sizes.  Note sizes and locations of capscrews during removal to ensure proper assembly. 3-117