TM 5-3800-205-23-3
BUTTERFLY VALVE ASSEMBLY MAINTENANCE - CONTINUED
0027 00
ACTUATOR VALVE INSTALLATION
1.
Clean threads of fittings and apply new tape.
2.
Transfer scribe mark from old actuator valve (2) to new actuator valve.
3.
Ensure that valve indicator (3) is in vertical (closed) position.
2
3
PLACE WITNESS
MARKS HERE
NOTE
One person should rotate and hold actuator valve in place while bolts and lockwashers are installed. Valve
must be rotated to overcome spring tension.
4.
Carefully install sleeve (6) and actuator valve (2) on butterfly valve shaft (7).
5.
While holding actuator valve (2), install four new lockwashers (5) and bolts (4).
6.
Connect two air lines (1) to actuator valve (2) and remove tags.
1
2
7
4,5
6
(HIDDEN)
0027 00-4
