TM 10-3930-664-24 Section X.  BRAKE MAINTENANCE 3-44.  PARK BRAKE CYLINDER REPAIR This task covers: Disassembly, Cleaning, Inspection, Repair, and Assembly INITIAL SETUP: Tools and Test Equipment: Equipment Condition: General Mechanics Too] Kit (1, App.  E) Park brake cylinder removed Arbor Press (25, App.  E) (para.  2-105) Spanner Wrench (31, App.  E) Strap Wrench (47, App.  E) Vise (30, App.  E) Materials / Parts: Lubricating Oil (16, App.  C) Cylinder Kit, P/N 6331-TC230 (1 ea.) A.  DISASSEMBLY 1. Place  cylinder  in  arbor  press  with  rod  end  head (1) down.  Close press against rod end head and blind end head (2). WARNING Do  not  remove  cylinder  from  press  until blind   end   head   is   fully   released   from body   threads.      Head   is   under   spring pressure and could injure personnel. 2. Install strap wrench onto cylinder body (3). Insert 1/2  inch  rod  through  hole  in  blind  end  head  (2). Turn    head    counterclockwise    while    releasing arbor press to disengage head from body. 3. Remove cylinder from arbor press and place on a clean work surface for further disassembly. 4. Remove    blind    end    head    (2)    from    body    (3). Remove and discard seal (4). 3-144