Piper SENECA II User Manual

NOTE: If any connections in the pitot / static system are opened for maintenance, the entire system
must be rechecked per Pitot / Static System, Test, above.
10-34. REMOVAL AND REPLACEMENT. Refer to Paragraph 10-72 of this section.
PIPER SENECA II SERVICE MANUAL
X - INSTRUMENTS 01/01/09
2E24
TABLE X-V. ALTIMETER (cont.)
Trouble Cause Remedy
Altimeter sticks at Water or restriction in Remove static lines
altitude or does not static line. from all instruments,
change with change of blow line clear from
altitude. cockpit to sensor.
Altimeter changes Water in static line. Remove static lines
reading as aircraft from all instruments,
is banked. and blow line clear from
cockpit to sensor.
Altimeter requires Temperature compensator Change instrument.
resetting frequently. inoperative.
Inner reference marker Out of engagement. Replace instrument.
fails to move when
setting knob is rotated .
Setting knob set screw Not tight when Tighten instrument
loose or missing. altimeter was reset. screw, if loose. Replace
screw, if missing.
Cracked or loose Case gasket hardened. Replace or repair
cover glass. instrument.
Dull or discolored Age. Replace or repair
markings. instrument.
Barometric scale and Drift in mechanism. Reset pointers, per
reference markers out AC 43.13-1.
of synchronism with
pointers.
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Piper SENECA II Specifications

General

Brand	Piper
Model	SENECA II
Category	Aircrafts
Language	English