TM 10-3930-664-24 3. Release rotate cylinder (6) from stub shaft (7) on rotate carriage by removing retainer (8). WARNING Carriage     assembly is heavy and awkward.    Enlist  the  help  of  an  aide when  removing  to  prevent   injury   to personnel and damage to components. 4. Attach   lifting   sling   to   carriage   weldment   (2). Attach      hoist      to      secure      carriage   weldment during removal. 5. Release   rotate   carriage   pin   (9)   from   carriage weldment  (2)  by  removing  screw  (10),  washers (11), and nut (12).  Discard nut (12). 6. Remove   rotate   carriage   pin   (9)   from   carriage weldment (2).  Separate carriage weldment from sideshift carrier (13). B.  CLEANING Clean  carriage  assembly  in  accordance  with  paragraph 1-24. C.  INSPECTION Inspect  carriage  assembly  and  related components in accordance with paragraph 1-24. D.  INSTALLATION WARNING Carriage     assembly is heavy and awkward.    Enlist  the  help  of  an  aide when   installing   to   prevent   injury   to personnel and damage to components. 1. Using    hoist,    mate    carriage    weldment    (2)    to sideshift  carrier  (13).    Install  rotate  carriage  pin (9) using a soft head hammer. 2. Secure    rotate    carriage    pin    (9)    to    carriage weldment   (2)   using   screw   (10),   washers   (11), and new nut (12). 3. Secure rotate cylinder (6) to stub shaft (7) using retainer (8). 3-215