TM10-3930-660-20 12-7. SERVICE  BRAKE  CONTROL VALVE -  REPLACE/ADJUST (Cont’d) 4. REMOVE MOUNTING HARDWARE AND SERVICE BRAKE CONHTROL VALVE (6). Support service brake control valve (6) so it does not drop during hardware removal. 5. 6. a. Remove three screws (19) and three lockwashers (20) securing valve (6) to bracket (7). Discard lockwashers (20). b. Remove valve (6) from bracket (7). IF NECESSARY, REMOVE LINKAGE FROM CLEVIS  (4). a. Loosen nuts (20) and (21) on pushrod pin (3). b. Remove clevis (4) from pushrod pin (3). c. Remove pushrod pin (3) from rod (22) . d. Remove nuts (20) and (21) from pushrod pin (3). IF NECESSARY, TAG AND REMOVE HYDRAULIC FITTINGS FROM SERVICE BRAKE CONTROL VALVE (6). a. b. c. d. Tag and remove valve  (6). Tag and remove (6) . Tag and remove valve  (6). Tag and remove valve (6). elbow (8) from tee (14) from valve adapter (16) from elbow (18) from 12-18