Quantcast ROTATE CYLINDER REPAIR
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TM 10-3930-664-24 3-69.  ROTATE CYLINDER REPAIR This task covers: Disassembly, Cleaning, Inspection, Repair, and Assembly INITIAL SETUP: Tools and Test Equipment: Equipment Condition: General Mechanics Tool Kit (1, App.  E) Rotate cylinder removed Torque Wrench (32, App.  E) (para.  2-161) Spanner Wrench (31, App.  E) Materials / Parts: Lubricating Fluid (16, App.  C) Grease (10, App.  C) Emery Cloth (7, App.  C) Seal Kit, P/N 6965-34 (1 ea.) A.  DISASSEMBLY 1. Place    cylinder    clevis    in    a    vice    with    clevis perpendicular   to   vise   jaws.      Support   cylinder barrel  (1).    Pull  rod  assembly  (2)  out  of  barrel until completely extended. 2. Using   a    screwdriver,    pry    up    lockwire    (3)    to enable  removal  from  freelift  cylinder.    Using  a spanner wrench, unscrew gland (7) until ,lockwire is completely removed. CAUTION Use care when extracting and handling   rod   assembly   components to prevent damage. 3. Remove  rod  assembly  (2)  from  barrel  (1)  and place  clevis  end  of  rod  assembly  in  a  vise  with soft metal jaws.  Support rod assembly. 4. Remove nut (4) from rod assembly (2).  Remove piston (5) and gland (7). 5. Remove  and  discard  piston  seal  (6),  O-ring  (8), backup ring (9), seal (10), wiper (11), and O-ring (12). 6. Remove  grease  fitting  (13)  and  setscrews  (14). Remove bearing (15). 3-230

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