TM 10-3930-664-24 3-13.  ROCKER ARM ASSEMBLY REPLACEMENT This task covers: Removal, Cleaning, Inspection, and Installation INITIAL SETUP: Tools and Test Equipment: General Mechanics Tool Kit (1, App.  E) Torque Wrench (32, App.  E) Materials / Parts: Equipment Condition: Laundry Detergent (33, App.  C) Injector fuel lines removed Lubricating Oil (14, App.  C)  (para.  2-27) O-Ring Seal, Item 3 (4 ea.) Cover Gasket, Item 4 (4 ea.) A.  REMOVAL 1. Remove  valve  covers  (1)  by  removing  screws (2).  Remove and discard O-ring seals (3). NOTE Ensure that all gasket material is removed from cylinder head and cover. 2. Remove and discard gaskets (4). 3-48