PIPER COMANCHE SERVICE MANUAL
III - INSPECTION 04/01/09
1D36
(3) Per Specific Operation / Operating Environment
(a) Each Flight
1
In PA-24-400 S/N’s 26-1 thru 26-148, for airplanes which installed Kit No. 756-
922 and have not subsequently installed Piper Kit No. 756-994, inspect fuel
purge valve hose assembly P/N 17766-88 for signs of deterioration before each
flight.
NO
TE: Installation of Kit No. 756-994 alleviates this inspection requirement.
2
In PA-24-260 S/N’s 24-4783, 24-4804 thru 24-4953, 24-4955 thru 24- 4959, 24-
4962 and 24-4964, for airplanes with a pilot control wheel-mounted “rocker”-
type trim switch; or, in PA-24-260 S/N’s 24-4783, 24-4804 and up, for airplanes
with field-installed Kit No. 760-273 or Kit No. 760-326 that have not
subsequently installed Kit No. 760-505: prior to each flight inspect the pilot’s
control wheel-mounted “rocker”- type trim switch for proper operation per
Electric Trim Switch Inspection under Procedures, below.
NO
TE: Installation of Kit No. 760-505 relieves this inspection requirement.
(b) Operation in High Dust or Industrial Pollution Environment
CA
UTION: DISCONNECT LINES FROM PITOT/STATIC SYSTEM BEFORE
CONDUCTING THIS INSPECTION.
Item Inspection Inspection Interval
Engine Air Filter. Clean and inspect. Daily.
Cabin Environmental and Inspect and replace if necessary. 100 Hours.
Instrument Air Filters.
Pitot/Static system. Check for obstruction. Reverse 100 Hours or
flow to lines. as required.
Landing Gear Oleos Clean. Before each flight.
Inspect. 100 Hours.
Landing Gear Wheel Clean, inspect and repack. 50 Hours.
Bearings.
Windows. Inspect for cracks, erosion, crazing, Daily.
visibility, and cleanliness.
Structure drain holes. Clean with pipe cleaner. Before each flight.
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