TM 10-3930-664-24 3. REMOVE MAINLIFT CYLINDERS (10). a. Release top of mainlift cylinders (10) from cylinder mounts (11) by removing screws (12) and nuts (13). NOTE Only  outboard  roll  pins  (15)  need  to be removed in order to remove spring pins   (16).      Inboard      roll   pins   can remain installed in spring pins. b. Release bottom  of mainlift  cylinders (10) from brackets (14) by removing spring pins (15) and roll pins (16). 4. REMOVE ROLLERS (17,21) FROM SIDESHIFT CARRIER. a. Remove countersunk screws (19) from two lower mounting stubs (20). b. Remove six rollers (17) and shims (18) from carrier frame (23). c. Remove two chain rollers (21) and shims (22) from  carrier frame(23) by removing screws (24) and roller pins (25). d. Remove bushings (26) from chain rollers (21) only if replacement is required. 4-109