TM 10-3930-664-24 3-34.  MODULATOR VALVE REPLACEMENT This task covers: Removal, Cleaning, Inspection, and Installation INITIAL SETUP: Tools and Test Equipment: General Mechanics Tool Kit (1, App.  E) Drain Pan (10, App.  E) Retaining Ring Pliers (24, App.  E) Torque Wrench (32, App.  E) Materials / Parts: Lubricating Oil (17, App.  C) Loctite 242 (20, App.  C) O-Ring, Item 5 (1 ea.) O-Ring, Item 20 (1 ea.) O-Ring, Item 23 (1 ea.) Screw, #10-24 UNC x 3.0 in.  long A.  REMOVAL 1. Remove top transmission cover (1) by removing nine screws (2) and washers (3). 3-114