TM 9-2320-361-20 8-10. HYDRAULIC MASTER CYLINDER REPLACEMENT (Contd) 10. 11. 12. 13. 14. 15. NOTE Have drainage container ready to catch brake fluid. Remove plug (14) and install adapter (12) in master cylinder (4). Install line (10) on adapter (12) and adapter (13). Install shield (9) on air-hydraulic cylinder (7) with two screws (8). Fill master cylinder (4) 0.5 in. (12.7 mm) from top (LO 9-2320-209-12-1). Connect line (3) on adapter (5). Close access door (1) and secure to brace (2) with new screw-assembled lockwasher (6). 8-27