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TM 10-3930-664-24 G.  ASSEMBLY OF FREELIFT CYLINDER 1. Lubricate  new  O-ring  (13)  with  clean  lubricating oil and install onto rod assembly (2). 2. Install new seal (11), wiper (12), and backup ring (10)  onto  gland  (8).    Lubricate  new  O-ring  (9) with clean lubricating oil and install. 3. Install new piston seal (7) and wear ring (6) onto piston (5). 4. Lubricate  I.D.    of  gland  (8)  and  piston  (5)  with grease and install onto rod assembly (2). 5. Install  clevis  end  of  rod  assembly  (2)  in  a  vise. Install piston nut (4) and torque to 263 to 289 ft- lbs (355 to 390 Nm). CAUTION Use care when installing piston assembly   (2)   to   prevent   damage   to seals,   rings,   and   inside   of   cylinder barrel (1).  Lock ring groove in barrel may    contain    small    burrs.        Deburr using emery cloth. 6. Lubricate  O.D.    of  piston  (5)  and  gland  (8)  with grease.      Carefully   install   barrel   (1)   over   rod assembly (2). 7. Tap gland (8) into barrel (1) until it seats.  Insert lockwire  (3)  through  barrel  slot  and  into  hole  in gland. 8. Using  spanner  wrench,  rotate  gland  (8)  to  the right until lockwire is completely installed. FOLLOW-ON MAINTENANCE: Install lift cylinders (para.  2-159) END OF TASK 3-227

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