Extra 300LX, Maintenance Manual

Page: 227 / 515

CHAPTER 28
PAGE 17 PAGE DATE: 1. March 2011
MAINTENANCE MANUAL EXTRA 330LX
28-20-01 Fuel Selector Valve
N O T I C E Check fuel selector valve only when removed.
N O T I C E Do not use more than 15 PSI hydraulic or pneumatic
pressure.
N O T I C E Do not change fuel selector position while applying
hydraulic or pneumatic pressure to the fuel selector
valve. This could damage the O-ring.
The fuel selector valve can be checked for leak tightness by
applying not more than 15 psi hydraulic or pneumatic pres-
sure.
Integrity Test
1 Completely drain wing tanks.
2 Fuel selector position: WING TANKS
3 Completely fill center tank.
4 Leave aircraft stationary for a minimum of three hours.
5 If fuel is found in the wing tanks, the fuel selector valve
must be repaired or replaced.
Removal/Installation
(Refer to figure 8)
1 Drain the fuel system as per chapter 12-10-02.
2 Disconnect the fuel lines on the selector valve.
3 Remove the control rod attachment bolts (5).
4 Remove the attachment screw (4) if reasonable.
5 Remove the control bracket (3).
6 Remove the selector valve attachment bolts (2).
7 Remove the selector valve (1).