TM 55-2210-224-34
3-48.
6-NFR DISTRIBUTING VALVE SAFETY VALVE (cont)
REMOVAL
4.
Remove 6-NFR distributing valve safety valve (1)
from elbow (2).
INSTALLATION
5.
Apply antiseize tape to threads of 6-NFR
distributing valve safety valve (1).
6.
Install 6-NFR distributing valve safety valve (1) in
elbow (2).
ADJUSTMENT
7.
Remove lockwire, cotter pin (3), nut (4), flat
washer (5), and cover (6). Apply 67 psi (462 kPa)
of air pressure to safety valve.
8.
Remove locknut (7) and turn adjustment screw (8)
until safety valve blows at 67 psi (462 kPa).
9.
Install locknut (7). Position cover (6) and install
flat washer (5), nut (4), cotter pin (3), and
lockwire.
3-187
