TM10-3930-660-34 16-18.   BOOM HOIST CYLINDERS - REPAIR (Cont’d) f. Slide gland (9) onto rod (8). g. Lubricate piston (15) inner diameter with clean hydraulic oil.  Install new O-ring (16) inside bore of piston (15). h. Install tube (17). i. Use a cleaning solvent and lint free rag to clean threads on rod (8) and new nut (14). j. Slide piston (15) onto rod (8). k. Apply Loctite #271 on threads of rod (8) and nut (14).  Install nut (14) on rod (8). l. Place rod (8) and piston (15) assembly on suitable supports to prevent damage during assembly. m. Install two wear rings (12) and one new seal (13) on piston (15). Position wear rings so that gaps are 180 degrees apart. CAUTION Use care when installing rod (8) and piston (15) assembly.  Keep rod (8) in line with cylinder tube (10) to prevent binding.  Failure to follow this precaution will cause part damage. n. Lubricate cylinder tube (10) p. Tighten gland (9) onto cylinder inner diameter, piston (15) tube (10) outside diameter and gland (9) outside diameter with clean q. Install backup rings (2 and 3), hydraulic oil. Two backup rings (4) and three new O-rings (5, 6 and 7) on o. Position rod (8) and piston (15) counterbalance valve (1). assembly in cylinder tube (10). r. Install counterbalance valve (1). NOTE 2. INSTALL BOOM HOIST CYLINDER, Tighten gland (9) so that it is flush TM10-3930-660-20. with end of cylinder tube (10).  Do not overtighten gland (9). 16-116