CHAPTER 34
PAGE 6
PAGE DATE: 7. July 2010
MAINTENANCE MANUAL EXTRA 300LT
Removal/Installation
1 Remove the instrument cover per chapter 31-10-03 (rear
airspeed indicator only).
2 Remove the vinyl tubing.
3 Remove the attachment bolts and clip nuts.
4 Remove the airspeed indicator.
5 Install in reverse sequence of removal. Observe correct
installation of vinyl tubing: "Stat. Druck" = static pressure,
"Meßdruck" = Pitot pressure.
6 Perform an operation test.
34-10-04 Pitot-Static Tube
Removal/Installation
The pitot-static tube consists of an inner aluminium 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 aluminium 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-Static Tube Attachment Block
Removal/Installation
1 Remove the pitot-static tube per chapter 34-10-04.
2 Remove the LH outboard access panel.
3 Remove the attachment stop nuts and the washers from the
pitot-static tube attachment block.
4 Remove the attachment block and disconnect the ground
bonding leads.
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