11-4. HYDRAULIC ACTUATOR REPAIR (continued).
CLEANING, INSPECTION, AND REPAIR
Dry cleaning solvent P-D-680 is toxic and flammable. Always wear protective goggles
and gloves, and use in a weli-ventilated area. Avoid contact with skin, eyes, and
clothes, and DO NOT use near open flames or excessive heat.
Clean all parts with dry cleaning solvent.
inspect parts for nicks, burrs, or other damage. Replace if necessary.
Inspect piston rod (14) and housing (15) for nicks, burrs, scratches, or other damage. Repair if necessary.
Install two new retainers (16) and new T-seal (21) on piston head (17).
Hydraulic fluid can cause skin rash. Wear gloves when handling hydraulic fluid. if it
gets on skin or clothing, wash with soap and water.
Lightly lubricate T-seal (21) and two retainers (16) with hydraulic fluid, and install piston head (17) on piston
Install two new retainers (18) and new packing (20) on piston retainer (19).
Coat threads of piston retainer (19) with grease.
Make sure piston rod threaded ends are protected.
if threaded ends are not protected.
Damage to piston rod can result
install piston retainer (19) in opposite end of rod (14). Torque between 250 and 280 ft-lb (339 and 380 N·m).
Lightly lubricate piston rod (14) with hydraulic fluid, and install piston rod (14) in housing (21).