TM10-3930-660-34 16-19.  MLRS ATTACBEIENT CYLINDER - REPAIR (Cont’d) k. Place rod (8) and piston (16) assembly on supports to prevent damage during assembly. l. Install two wear rings (12) and one new seal (13) on piston (16). Position wear rings so that gaps are 180 degrees apart. CAUTION Use care when installing rod (8) and piston (16) assembly.  Keep rod (8) in line with cylinder tube (10) to prevent binding. m. Lubricate cylinder tube (10) inner diameter, piston (16) outside diameter and gland (9) outside diameter with clean hydraulic oil. n. Position rod (8) and piston (16) assembly in cylinder tube (10). NOTE Tighten gland (9) so that it is flush with end of cylinder tube (10).  Do not overtighten gland (9). o. Tighten gland (9) onto cylinder tube (10). p. Install backup rings (2 and 3), two backup rings (4) and three new O-rings (5, 6 and 7) on counterbalance valve (1). q. Install counterbalance valve (1). 2. INSTALL MLRS ATTACHMENT CYLINDER, TM10-3930-660-20. 16-126