Quantcast REPAIR - TM-10-3930-664-24_731
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TM 10-3930-664-24 E.  REPAIR 1. Repair  of  the  lift  cylinders  consists  of  removal and    replacement    of    defective,    deformed,    or damaged components. 2. Replace  all  rings,   wipers,   and   seals   with   new components from seal kits. F.  ASSEMBLY OF MAIN LIFT CYLINDER 1. Lubricate  new  O-ring  (22)  with  clean  lubricating oil and install onto rod assembly (17). 2. Install new seal (26), wiper (25), and backup ring (24) onto gland (16).  Lubricate new O-ring (23) with clean lubricating oil and install. 3. Install  new  piston  seal  (21)  and  wear  ring  (20) onto piston (19). 4. Lubricate I.D.  of gland (16) and piston (18) with grease and install onto rod assembly (17). 5. Install clevis end of rod assembly (17) in a vise. Install piston nut (18) and torque to 75 to 100 ft- lbs (100 to 135 Nm). CAUTION Use care when installing piston assembly  (17)  to  prevent  damage  to seals,   rings,   and   inside   of   cylinder barrel (14).  Lock ring groove in barrel may    contain    small    burrs.        Deburr using emery cloth. 6. Lubricate O.D.  of piston (19) and gland (16) with grease.      Carefully   install   barrel   (14)   over   rod assembly (17). 7. Tap   gland   (16)   into   barrel   (14)   until   it   seats. Insert  lockwire  (15)  through  barrel  slot  and  into hole in gland. 8. Using  spanner  wrench,  rotate  gland  (16)  to  the right until lockwire is completely installed. 3-226

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