Removal Of Passenger Outlet Valve Assembly; Removal Of Pilot And/Or Copilot Outlet Valve Assembly; Installation Of Pilot And/Or Copilot Outlet Valve Assembly; Outlet Valve Assemblies - Cessna T182 Series Service Manual

MODEL 182 & T182 SERIES SERVICE MANUAL
passenger oxygen outlet valve assembly.
A line is 14-40. REMOVAL OF PILOT AND/OR COPILOT
routed from the cross to a tee, located at the aft end OUTLET VALVE ASSEMBLY. (See figure 14-3.)
of the overhead console. Two lines are routed from
the tee. one to the pilot's oxygen outlet valve assem-
NOTE
bly. and one to the copilot's oxygen outlet valve
assembly, both installed in the overhead console. Ensure oxygen control is OFF.
14-35. REMOVAL AND INSTALLATION. (See
a. Remove overhead console.
figure 14-3.) Assure that the oxygen control is b. Disconnect oxygen line at rear of outlet valve
off. Access to the various lines is gained by re-
assembly; cap oxygen line.
moving the cabin headliner and/or appropriate c.
Remove nut (25).
upholstery side panels, depending on line location. d. Remove outlet valve assembly.
Removal and installation procedures for cabin head-
liner and upholstery side panels are outlined in 14-41. INSTALLATION OF PILOT AND/OR
Section 3 of this manual. Lines are secured by
COPILOT OUTLET VALVE ASSEMBLY. (See
clamps and/or nylon ties. Whenever ties are re- figure 14-3.)
moved, replace with new ties. a. Install outlet valve assembly in mounting hole
of bracket (37).
NOTE
b. Install and tighten nut (25).
c. Uncap and install oxygen line at rear of outlet
Observe all cautions, warnings, precautions valve assembly.
and procedures outlined in paragraph 14-20
d. Turn oxygen control ON and test connection for
when removing or installing oxygen lines, leaks.
e. Install overhead console.
14-36. OUTLET VALVE ASSEMBLIES. (See figure
14-3.) 14-42. INSPECTION/TEST OF OXYGEN OUTLET
VALVE ASSEMBLIES.
14-37. DESCRIPTION. The pilot and copilot outlet a. Assure that oxygen system is fully charged.
valve assemblies are mounted in the overhead con- b. Insert an oxygen outlet adapter, connected to a
sole. Passenger outlet valve assemblies are mounted pressure gage, into the oxygen outlet valve.
overhead and outboard of each passenger station. c. Test retainer assembly (27)/adapter junction for
leaks with fluid leak detector.
No bubbles are per-
4-38. REMOVAL OF PASSENGER OUTLET VALVE mitted.
ASSEMBLY. (See figure 14-3.) d. After completion of leak tests, fully charge
oxygen system as outlined in paragraph 14-23.
NOTE
14-43.
OXYGEN SYSTEM FUNCTIONAL TEST.
Ensure oxygen control is OFF.
NOTE
a. Remove lock ring (20) and cover (21).
b. Remove window moulding (22).
Whenever the oxygen system regulator
c. Remove cabin headliner as outlined in Section 3 (cylinder-regulator assembly) has been
of this manual. replaced or overhauled. perform a flow
d.
Remove nut (23). test to determine that system functions
e.
Remove bracket (24). properly.
f.
Disconnect oxygen line from outlet valve assem-
bly. and cap line.
a. Fully charge the oxygen system as outlined in
g. Remove nut (25). paragraph 14.23.
h. Remove outlet valve assembly.
b. Install an oxygen outlet adapter into a pressure
gage (calibrated in one pound increments from 0 to
14-39. INSTALLATION OF PASSENGER OUTLET
100 PSIG) and insert adapter into pilot's oxygen out-
VALVE ASSEMBLY. (See figure 14-3.)
let valve assembly.
a. Install nut (25) on threads of outlet valve assem- c. Turn oxygen system ON.
Pressure should be
bly. and install outlet valve assembly in mounting 70±10 PSIG. If pressure does not fall within these
hole of retainer (26): tighten nut (25). tolerance,, replace cylinder-regulator and repeat
b.
Uncap and connect oxygen line to outlet valve test.
assembly. d.
Recharge oxygen system as required as outlined
c. Install bracket (24). in paragraph 14-23.
d. Install and tighten nut (23).
e.
Turn oxygen control ON and test connection for 14-44. OXYGEN GAGE. (See figure 14-3.)
leaks.
f.
Install cabin headliner as outlined in Section 3 14-45. DESCRIPTION. The oxygen gage is located
of this manual.
on the right-hand side of the overhead console. The
g. Install window moulding. oxygen gage is calibrated from 0 to 2000 PSI.
h.
Install cover (21) and lock ring (20).
14-15