TM10-3930-660-34 10-4 BRAKE CONTROL VALVE - REPAIR (Cont’d) 1 ASSEMBLE CONTROL HOUSING (59) TO CHARGING SECTION (60) a.  If removal was necessary, install one label (64) and two screws (63). b.  Install new O-rings (61 and 62) in charging section (60). c. Assemble control housing (59) to charging section (60). d.  Install new lockwasher (58) and screw (57) Torque screw (57) between 22 and 27 lb ft . e.  Install two new lockwashers (56) and two screws (55) Torque screws (55) between 22 and 27 lb ft . 2 ASSEMBLE INTERNAL PARTS (1-54) OF VALVE . a Install new O-ring (52) on plug (50).  Install plug (52) with retaining ring (51). CAUTION Use care to prevent damage to lands on spool (53) and inside bore.  Do not force spool (53) into valve.  Failure to follow this precaution will cause part damage b.  Install new O-ring (54) on spool (53).  Insert spool (53) into valve bore.   Ensure that spool (53) is oriented correctly. Ensure that spool (53) makes contact with plug (50) on opposite side of valve. c.  Install stop (48) and spring (47) d. Install new O-ring (49) on plug (45).  Install plug (45) with retaining ring (46) . 10-13