Jabiru j430 - This Document Is Controlled While It Remains on the Jabiru Server. Once this no Longer Applies the Document Becomes Uncontrolled

Aircraft Technical Manual
Jabiru Aircraft Pty Ltd
JTM001-5
J120, J160, J170, J200/J400, J230/J430, J250/J450 Variants
This document is controlled while it remains on the Jabiru server. Once this no longer applies the document becomes uncontrolled.
ISSUE
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Dated: 29th October 2014
Issued By: AS
Page: 254 of 298
11.5.8 Trouble Shooting – Airspeed Indicator
Table 11-2 – Trouble Shooting – Airspeed Indicator
Trouble
Probable Cause
Remedy
Hand fails to response
Pitot pressure connection not
properly connected to pressure
line from pitot tube
Test line and connections for
leaks. Repair or replace
damaged line, tighten
connections
Pitot or static lines clogged
Check line for obstructions. Blow
out lines.
Incorrect indication or
hand oscillates
Leak in pitot or static lines
Test lines and connections for
leaks. Repair or replace
damaged lines, tighten
connections.
Defective mechanism or leaking
diaphragm
Substitute known-good indicator
and check reading. Replace
instrument.
Hand vibrates
Excessive vibration
Check panel shock mounts.
Replace defective shock mounts
Excessive tubing vibration
Check clamps and line
connections for security. Tighten
clamps and connections, replace
tubing with flexible hose.
11.5.9 Trouble Shooting – Altimeter
Table 11-3 – Trouble Shooting – Altimeter
Trouble
Probable Cause
Remedy
Instrument fails to
operate
Static line plugged
Check line for obstructions. Blow
out lines
Defective mechanism
Substitute known-good altimeter
and check reading. Replace
instrument
Incorrect indication
Hands not carefully set
Reset hands with knob
Leaking diaphragm
Substitute known-good altimeter
and check reading. Replace
instrument.
Pointers out calibration
Compare reading with known-
good altimeter. Replace
instrument
Hand oscillates
Static pressure irregular
Check lines for obstruction or
leaks. Blow out lines, tighten
connections.
Leak in airspeed or vertical
speed indicator installations
Check other instruments and
system plumbing for leaks. Blow
out lines, tighten connections