PIPER COMANCHE SERVICE MANUAL
04/01/09 III - INSPECTION
1D37
(c) Operation in High Salt or High Humidity Environment
Item Inspection Inspection Interval
 Fuselage, Empennage, Remove floor panels and exterior 200 Hours.
and Wings. access plates; inspect for corrosion.
 Landing Gear. Inspect for corrosion and lubrication. 200 Hours.
W
ARNING
:ENSURE BOTH MAGNETO SWITCHES ARE OFF (GROUNDED), BEFORE
TURNING PROPELLER. ENGINE MAY START IF BOTH SWITCHES ARE NOT OFF.
USE EXTREME CAUTION WHEN ROTATING PROPELLER BY HAND; PROPELLER
MAY KICK BACK.
 Engines with more than Each five days, pull prop through five Each 5 days
50 hours total time. complete revolutions. and
Each 30 days, fly aircraft for 30 minutes each 30 days.
or, ground run until oil temperature is in
the green arc. Avoid excessive ground run.
 Engines with less than Each day, pull prop through five Daily
50 hours total time. complete revolutions. and
Each 30 days, fly aircraft for 30 minutes each 30 days.
or, ground run until oil temperature is in
the green arc. Avoid excessive ground run.
 Instruments and Wiring. Inspect for proper seal of cases and 100 Hours.
corrosion.
 Interior. Inspect upholstery, seat belts, seats and 100 Hours.
rugs for corrosion and integrity.
NOTE: Do not use metallic tie downs (i.e. - chains, cables, etc.) in high salt or high humidity environments.
(d) Operation in Extreme Cold
Item Inspection Inspection Interval
 Hydraulic, Pneumatic Check all fittings and attachments for First 100 Hour, then
and Environmental. security and leaks. as required.
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