TM 9-2320-386-10 Change 1 3-31 3-9. WHEELS AND TIRES (Contd) (4) Manual Tire Inflation. (a) Remove tire inflation gauge (20) and hose (15) assembly (Appendix B, Item 4) from tool box. (b) Connect one end of hose (15) to emergency side air coupling (13) and open air shutoff valve (14). If necessary, start engine (para. 2-12), if not started. (c) Apply air chuck (19) on wheel valve stem (18) and press down firmly. Depress air chuck lever (16) to inflate tire. Release air chuck lever (16) momentarily to read tire pressure on gauge dial (17). Adjust tire pressure as necessary. (d) When tire inflation operation is completed, remove air chuck (19) from wheel valve stem (18). (e) Close air shutoff valve and remove hose (15) from trailer air coupling. (f) Return tire inflation gauge (20) and hose (15) assembly to toolbox. 1 2 3 4 5 6 9 10 11 TIGHTENING SEQUENCE 13 7 14 17 15 20 16 18 19 8 6 12 1 2 3 4 5