TM 10-3930-664-24 3-31.  PRESSURE REGULATOR ASSEMBLY REPLACEMENT This task covers: Removal, Cleaning, Inspection, and Installation INITIAL SETUP: Tools and Test Equipment: Equipment Condition: General Mechanics Tool Kit (1, App.  E) Towbar lowered (para.  2-126) Drain Pan (10, App.  E) Strap Wrench (47, App.  E) Torque Wrench (32, App.  E) Transmission Tool (App.  D) Materials / Parts: Lubricating Oil (17, App.  C) Oil Filter, Item 3 (1 ea.) A.  REMOVAL 1. Release hood assembly (2) by lifting handle (1). Open hood assembly. NOTE Place drain pan beneath oil filter when removing to catch fluids. 2. Using  strap  wrench,  remove  oil  filter  assembly (3).  Discard oil filter. 3. Using    manufactured    tool    and    1/2    in.        drive handle, remove pressure regulator assembly (4) from transmission (5). B.  CLEANING Clean  pressure  regulator  assembly  and transmission bore in accordance with paragraph 1-24. 3-110