To Install Of Wing Tip Strobe Power Supply; Removal Of Wing Tip Strobe Power Supply; Installation Of Wing Tip Strobe Power Supply - Piper Navajo Chieftain PA-31-350 Service Manual

NAVAJO CHIEFTAIN SERVICE MANUAL
d.
Insert the two plugs into their proper sockets on the strobe power supply.
e.
Install right floor panel at sta. 203 and secure with the appropriate screws.
f.
Install carpet over the right floor panel at sta. 203.
g.
Install passenger seats on the right side of the aircraft.
11-91. REMOVAL OF WING TIP STROBE POWER SUPPLY. (Serial Nos. 31-7305001 to
31-7305052.) The wing tip strobe power supply is mounted on the bottom of the forward radio shelf on
the right side of the aircraft.
a.
Remove the access plate on the right side of the aircraft between sta. 35 and sta. 57.
b.
The power supply is mounted on the radio shelf just above the heater. Remove the two electrical
plugs from the power supply.
NOTE
Mark plugs and sockets to facilitate reinstallation.
c.
Disconnect white wire from wire to circuit breaker at the quick disconnect connector.
d.
Remove screw securing the five ground wires.
e.
Remove the three other screws securing power supply to bottom of radio shelf. Remove power
supply from aircraft.
11-92. INSTALLATION OF WING TIP STROBE POWER SUPPLY. (Serial Nos. 31-7305001 to
31-7305052.)
a.
Position strobe power supply on bottom of radio shelf and secure with three screws previously
removed.
b.
Insert other screw through the three ground wire terminals and install and secure to strobe power
supply.
c.
Connect white wire to wire from circuit protector at quick disconnect connector.
d.
Install two plugs into their correct sockets on the power supply.
e.
Install and secure access plate between sta. 35 and sta. 57.
11-93. REMOVAL OF WING TIP STROBE POWER SUPPLY. (Serial Nos. 31-7305053 and up.) For each
wing tip strobe light, there is one strobe power supply mounted outboard on the outboard wing rib (L or
R).
a.
Remove screws from wing tip (L or R), and move just enough to gain access inside the wing tip.
b.
Disconnect the three electrical connectors inside the wing tip.
c.
Remove the wing tip.
d.
Remove mounting screw on strobe power supply containing the ground wires.
e.
Remove the other three screws mounting power to wing rib. Remove power supply from aircraft.
11-94. INSTALLATION OF WING TIP STROBE POWER SUPPLY. (Serial Nos. 31-7305053 and up.)
a.
Position power supply on wing rib (L or R), and secure with the three screws previously removed.
b.
Insert other screw through the ground wire terminals; install and secure to strobe power supply.
c.
Put wing tip in position on the wing leaving enough room to gain access to the inside of the wing
tip.
d.
Connect the three electrical connectors inside the wing tip.
e.
Position wing tip on wing and secure with the appropriate screws.
Reissued: 9/23/80
ELECTRICAL SYSTEM
3E3