TM 5-3610-285-14
d. Remove vacuum hose from elbow fitting on bottom of vacuum bleed valve.
e. Remove bezel nut from top of control box and remove defective vacuum bleed valve housing.
f. Remove elbow fitting from vacuum bleed valve.
g. Reinstall elbow fitting to new vacuum bleed valve. Use care not to overtighten.
h. Install new vacuum bleed valve housing and secure with bezel nut.
i. Reinstall vacuum hose to elbow fitting.
j. Reinstall cover on underside of vacuum control box.
k. Loosen setscrew on vacuum bleed valve control knob and remove defective needle valve.
l. Install new needle valve onto control knob and tighten setscrew.
m. Reinstall vacuum bleed valve control knob by inserting into valve and turning right until valve is
closed.
n. Plug in power cord for vacuum control box.
6-44
