TM10-3930-660-20 18-7. MLRS  ATTACHMENT  CONTROL VALVE ASSEMBLY   - REPLACE (Cont’ d) 4. 5. 6. a. Connect eight electrical connectors (12) as tagged. b. Tighten eight connector retaining screws (11) to secure electrical connectors (12). CONNECT HYDRAULIC HOSES TO VALVE AND FRAME TILT CYLINDERS AS TAGGED. a. Connect eleven hydraulic hoses (9) to valve fittings (10) as tagged. b. Connect two crossover hoses (7) to carriage tilt cylinder fittings (8) as tagged. SECURE VALVE COVER. a. b. c. Position cover (6) over valve and align mounting holes. Apply Loctite 242 to two capscrews (3) and two nuts (5). Secure cover (6) with two nuts (5), two capscrews (3), and two lockwashers  (4). CONNECT FLOODLIGHT ELECTRICAL LEADS (1) AND (2) AS TAGGED. White lead of floodlight connects to lead 71 of vehicle wiring harness. Black lead of floodlight connects to lead 02 of vehicle wiring harness. 7. CONNECT NEGATIVE BATTELRY CABLE, PARA.  8-44. 8. PURGE AIR FROM HYDRAULIC SYSTEM BY CYCLING EACH MLRS ATTACHMENT FUNCTION FIVE TIMES, TM10-3930-660-10. Excessive air in hydraulic system may temporarily prevent MLRS attachment functions from operating. Attempt to operate MLRS attachment functions as required until each function operates smoothly and completely. 18-33