TM 10-3930-664-24 15. Install adapter (5), elbow (4), and new O-ring (7) into freelift cylinder (6). 16. Connect tubing (3) to elbow (4). 17. Service hydraulic oil in accordance with Lubrication Order. 18. Slowly  raise  freelift  cylinder  rod  by operating lift    control    until    tension    on    freelift    chain    is achieved.      When   all   slack   in   chain   has   been removed, normal operation can be resumed. FOLLOW-ON MAINTENANCE: Adjust freelift chain (para.  2-155) END OF TASK 2-445

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