TM10-3930-660-34 16-9.  FRAME TILT CYLINDER - REPAIR (Cont’d) e. Place rod (8) and piston assembly on suitable supports to prevent damage. f. Remove two wear rings (12). CAUTION Do not nick or scratch seal groove during removal of seal (13).Failure to follow this precaution will cause part damage. g. Cut seal (13) and discard. NOTE The nut (14) may need to be heated with a torch for removal. h. Remove nut (14) and piston (15).  Discard nut (14). i. Remove and discard O-ring (16) from piston (15) bore. j. Slide gland (9) off rod (8). k. Remove O-ring (11) and back-up ring (17) from gland (9).Discard O-ring (11). CAUTION Do not nick or scratch seal groove during removal of seal (18) and rod wiper (19).Failure to follow this precaution will cause part damage. NOTE Note direction that lip of seal (18) is facing before removal. 1. Remove seal (18) and rod wiper (19) from inside of gland (9). CLEANING See Cleaning Instructions, para.2-10. INSPECTION See Inspection Instructions, para.2-11. 16-39