TM10-3930-660-20 12-7. SERVICE  BRAKE  CONTROL VALVE -  REPLACE/ADJUST (Cont’d) 5. 6. 7. c. Connect hose (12) and hose (13) to tee (14) at valve (6) as tagged. d. Connect hose (9) and hose (10) to tee (11) at valve (6) as tagged. e. Connect hose (7) to elbow (8) at valve (6) as tagged. CONNECT BRAKE PEDAL LINKAGE. a. b. c. Rotate pushrod pin (3) and/or clevis (4) in or out as required until clevis pin (2) fits freely through holes on clevis (4) and brake pedal arm (5). Secure clevis (4) to brake pedal arm (5) with clevis pin (2) and new cotter pin (l). Tighten jam nuts (20) and (21) on pushrod pin (3). FILL THE HYDRAULIC TANK, PARA. 5-10. CONNECT THE BRAKE HYDRAULIC PRESSURE SWITCH, PARA. 8-18. CAUTION The brake system and hydraulic accumulator must be bled as soon as the brake control valve is installed. If this is not done, air in the system may not allow the brakes to release and may cause severe brake system damage. 8. BLEED THE HYDRAULIC ACCUMULATOR, PARA. 12-8. 9. BLEED THE BRAKE SYSTEM, PARA. 12-5. 12-20