Clean rotate cylinder components in accordance with paragraph 1-24.
Conduct overall inspection of rotate cylinder components in accordance with paragraph 1-24.
Inspect used piston seals for signs of scoring. If seals are scored, examine barrel for damage. If barrel is scored
it must be replaced.
Repair of the rotate cylinder consists of removal and replacement of defective, deformed, or damaged
Replace all rings, wipers, and seals with new components from seal kits.
Lubricate bearing (15) with grease and install into barrel (1). Install setscrews (14) and grease fitting (13).
Lubricate new O-ring (12) with clean lubricating oil and install onto rod assembly (2).
Install new seal (10), wiper (11), and backup ring (9) onto gland (7). Lubricate new O-ring (8) with clean lubricating
oil and install.
Install new piston seal (6) onto piston (5).
Lubricate I.D. of gland (7) and piston (5) with grease and install onto rod assembly (2).
Install clevis end of rod assembly (2) in a vise. Install piston nut (4) and torque to 105 to 115 ft-lbs (142 to 156
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.
Lubricate O.D. of piston (5) and gland (7) with grease. Carefully install barrel (1) over rod assembly (2).
Tap gland (7) into barrel (1) until it seats. Insert lockwire (3) through barrel slot and into hole in gland. Using
spanner wrench, rotate gland to the right until lockwire is completely installed.
Install rotate cylinder (para. 2-161)
END OF TASK