PIPER COMANCHE SERVICE MANUAL
04/01/09 III - INSPECTION
1D31
(d) Each 1000 Hours
 1
Replace engine compartment flexible hoses (fuel, oil, etc.) as required; but not
to exceed 1000 hours time-in-service, eight (8) years, or engine overhaul,
whichever comes first; except for TSO-C53a - Type D hoses which are replaced
on condition.
 2
Muffler replacement is recommended at or near 1000 hours time-in-service.
 3
Replace outboard aileron hinges. Order and use Piper Kit No. 760-914, one per
aileron.
 4
In PA-24-260 Turbos, remove all Turbocharger components from the engine.
Inspect and repair or replace as necessary.
 5
Replace pins and/or bolts used with aileron hinges and flap hinges or tracks.
 6
Perform Landing Gear Manual Extension System 1000 Hour Inspection per
paragraph 6-107.
 7
In PA-24s and PA-24-250s equipped with McCauley propellers having blades
with plain (no prefix/suffix) serial numbers (00000 thru 21297), overhaul or
replace propeller each five years or each 1000 hours. (Verify TBO in McCauley
Service Bulletin No. 137AD, or later.)
 8
In PA-24-250s equipped with Hartzell propellers and in PA-24-400s, overhaul
or replace propeller each five years or each 1000 hours. (Verify TBO in Hartzell
Service Letter No. HC-SL-61-61Y, Revision 2 or later.)
(e) Each 1200 Hours
 1
In PA-24s and PA-24-250s equipped with McCauley propellers having blades
with prefixed or suffixed serial numbers, overhaul or replace propeller each five
years or each 1200 hours. (Verify TBO in McCauley Service Bulletin No.
137AD, or later.)
 2
In PA-24s, PA-24-250s, and PA-24-260s equipped with engines with 7/16 inch
valves, overhaul engine at 1200 hours time-in-service (see Lycoming Service
Instruction No. 1009AT, or later).
(f) Each 1800 Hours
 In PA-24-260 Turbos and PA-24-400s, overhaul engine at 1800 hours time-in-
service (see Lycoming Service Instruction No. 1009AT, or later).
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