TM 1-1520-238-23Change 73-2473.62.BRAKE CONTROL VALVES REMOVAL/INSTALLATION – continued3.62.5. Inspectiona. Check removed and attaching parts for corro-sion (para 1.49).b. Check removed and attaching parts forscratches (para 3.53).c. Check valves for cracks.(1) If cracks are suspected, perform nondestruc-tive inspection (TM 1-1520-264-23).3.62.6. Installationa. Lubricate all fittings, tubes, hose nuts, andpackings before installation. Use hydraulic fluid(item 93, App F).NOTEIf fittings are not installed on valve, startwith step b.If fittings are installed, startwith step c.b. Install nipples (7) and (15) and elbow (23) onvalve (6).(1) Install four new packings (28) on two nipples(7) and (15).(2) Install two new packings (30) on elbows (23).(3) Install nipples (7) and (15) in ports (31) ofvalves (6).(4) Install two elbows (23) in ports (32). Do nottighten nuts (29) of valves (6).c. Install two valves (6) on bracket (24).(1) Aline two valves (6) with bracket (24).(2) Install two screws (25) through bracket (24)and two valves (6).(3) Hold two screws (25). Install washers (27)and nuts (26).GO TO NEXT PAGE631153130292329287M04-3056-82832313132246262527M04-3056-9
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