TM 10-3930-659-34 4-68. LOCKING CONTROL VALVE REPAIR (Con’t). c. ASSEMBLY 1. Install three new seals (9, 11, and 13) and new backup rings (10, 12, and 14) on valve cartridge (15). 2. Apply a coat of lubricating oil to surface of valve cartridge (15) and install valve cartridge in locking control valve (8). 3. Install three new seals (3, 5, and 7) and new backup rings (2, 4, and 6) on valve cartridge (1). 4. Apply a coat  of  lubricating  oil  to  surface  of  valve  cartridge  (1)  and  install  valve  cartridge  in  locking  control  valve (8). FOLLOW-ON TASKS: • Install locking control valve (see TM 10-3930-659-20). TA708427 4-282