TM 55-1520-240-23-9
11-163.1
REPLACE UPPER OR LOWER DIFFERENTIAL AIRSPEED HOLD (DASH)
ACTUATOR
(Continued)
11-163.1
NOTE
Procedure is same to replace upper
or lower DASH actuator. Lower DASH
actuator is shown here.
1.
Soak head of six screws (1) with solvent (E245).
Remove sealant. Wear gloves (E186). Use
cloths (E120).
2.
Remove six screws (1) and washers (2) from
lower actuator (3).
3.
Clean surface (4) of replacement actuator (3).
Use solvent (E245) and cloths (E120). Wear
gloves (E186).
4.
Apply sealant (E332.1) to surface (4). Wear
gloves (E186).
5.
Position actuator (3) on tube fitting (5). Align
receptacle (6) with upper receptacle (7).
6.
Apply sealant (E332.1) to threads of six screws
(1). Wear gloves (E186).
7.
Install six washers (2) and screws (1) in actuator
(3).
8.
Apply sealant (E332.1) to heads of screws (1).
Wear gloves (E186).
FOLLOW-ON MAINTENANCE:
Install DASH actuator (Task 11-164).
END OF TASK
11-664