TM 10-3930-669-20 7-11.  AIR RESTRICTION INDICATOR GAUGE REPLACEMENT (CONT). (4) Remove  two  screws  (8),  cover  (9),  and gauge (7) from instrument panel (2). b.  Installation. (1) Install     gauge     (7)     and     cover     (9)     on instrument panel (2) with two screws (8). (2) Install hose (6) on gauge (7). NOTE Install cable ties as required. (3) Install instrument panel (2) on dash frame (5) with washer (4) and screw (3). (4) Install four screws (1) on instrument panel (2). NOTE Follow-on Maintenance: • Close  cab  door  (TM  10-3930-669- 10). • Connect batteries (Para 7-48). • Remove wheel chocks (TM 10-3930-669-10). END OF TASK 7-26