TM 10-3930-664-24 10. Center carriage to allow equal access to main lift cylinders. 11. Tag   and   disconnect   tube   assemblies   (23,   24) from elbows (25). 12. Remove   elbows   (25)   and   adapters   (26)   from mainlift  cylinders  (37).    Remove  and  discard  O- rings (27). 13. Remove fittings (28) from elbows (29).  Remove elbows from mainlift cylinders (37).  Remove and discard O-rings (30). 14. Attach  lifting  sling  and  hoist  to  intermediate  rail (31).  Lift rail to remove strain on pins (35). 15. Release    top    of    mainlift    cylinders    (37)    from cylinder  mounts  by  removing  screws  (32)   and nuts (33). NOTE Only  outboard  roll  pins  (35)  need  be removed   to   remove   pins   (36)   from brackets (34). 16. Release  bottom  of  mainlift  cylinders  (37)  from brackets (34) by removing roll pins (35) and pins (36). 17. Using hoist, lift intermediate rail (31) approximately        20        inches.              Support intermediate rail with jack stands. 18. Remove mainlift cylinders (37). B.  CLEANING Clean  cylinders  and  related  components  in  accordance with paragraph 1-24. C.  INSPECTION Inspect cylinders and related components in accordance with paragraph 1-24. 2-442