TM10-3930-660-34 12-5.  STEERING CONTROL VALVE - REPAIR (Cont’d) s. Remove set screw (23), seal (24),     seat (25), seal (26), check ball    (27) and retainer (28). Discard     seals (24 and 26). CLEANING See Cleaning Instructions, para. 2-10. INSPECTION See Inspection Instructions, para. 2-11. ASSEMBLY NOTE Wipe all sealing surfaces on pump clean and dry. Apply film of clean hydraulic oil to all seals, except quad ring seal (14), as they are installed. 1. ASSEMBLE STEERING CONTROL VALVE (1-28). a. Install retainer (28), check ball (27), new seal (26), seat (25), new seal (24) and setscrew (23). b. Install centering springs (21) in sleeve (20). c. Assemble spool (19) and sleeve (20) so that spring slots line up at same end. Rotate spool (19) when sliding parts together. Spool (19) should rotate smoothly in sleeve (20) with fingertip force applied at spline end. d. Install pin (18) through spool (19) and sleeve (20) assembly until it is flush at both sides of sleeve (20). 12-10