Extra 300/SC - Page 255

CHAPTER 34
PAGE 7
MAINTENANCE MANUAL EXTRA 300/SC
PAGE DATE: 16. June 2008
34-10-04 Pressure Head
Removal/Installation
The pressure head consists of an inner steel tube, an outer
aluminium tube and a top cap which are screwed.
1 Unscrew the top cap.
2 Unscrew the outer aluminium tube.
3 Unscrew the inner steel tube.
4 Install in reverse sequence of removal applying silicone
in the gap between the outer aluminium tube and the hole
of the wing leading edge.
34-10-05 Pitot Head Attachment Block
Removal/Installation
1 Remove the Pitot head per Chapter 34-15-01.
2 Remove the wing tip attachment plate with the lighting
unit per Chapter 57-35-01.
3 Disconnect the vinyl tubing.
4 Remove the LN9348-05 stop nuts and the DIN125 M5
washers.
5 Disconnect the ground bonding leads.
6 Remove the attachment block.
7 Install in reverse sequence of removal. Use new stop nuts.
MAINTENANCE PRACTICES