Piper PA-34-200T Seneca II, Service Manual

Page: 145 / 869

PIPER SENECA II SERVICE MANUAL
(k)
Each 2400 Hours
1 Overhaul or replace Hartzell propeller governors each 2400 hours or at engine
overhaul. (Verify TBO in latest revision of Hartzell Service Letter No. 61.)
2 Overhaul or replace Hartzell propellers each five (5) or six (6) years or each
2000 or 2400 hours. (Refer to latest revision of Hartzell Service Letter No. 61 to
determine specific requirements for individual airplanes.)
(l)
Each 2500 Hours
For airplanes which have not installed new main landing gear trunnion
assemblies P/N’s 67926-030, 67926-032, 67926-040, or 67926-042 (Left) and
67926-031, 67926-033, 67926-041, or 67926-043 (Right) (each embossed with
forging number 02599-2):
replace each main landing gear trunnion assembly
upon accumulating 2500 hours time-in-service.
(2) Per Calendar Year
(a)
Each Seven (7) Days
If equipped with Scott / Avox oxygen systems, at least once a week, visually
check oxygen cylinder installation for leakage, corrosion, bulges, gouges,
distortion, security of mounting, and current hydrostatic test date.
(b)
Each Thirty (30) Days
1 Check propeller air pressure.
2 Inspect battery, box or shelf, and cables. Flush box as required and fill battery
per instructions on box or in Section XI.
3 If installed, check portable fire extinguisher for condition and charge. Verify
nozzle is not obstructed and safety seal is intact. Determine charge by “hefting”
extinguisher.
(c)
Each Ninety (90) Days
Remove, drain, and clean fuel filter bowls and cartridge assemblies.
(d)
Each Four (4) Months
Change the engine oil and full-flow cartridge oil filter each four (4) months or
every 50 hours time-in-service, whichever comes first.
(e)
Each Twelve (12) Months
1 Replace the pressure system inlet air filter (i.e., central air filter, gyro filter, etc.)
element each twelve (12) months or each 100 hours, whichever comes first.
2 For airplanes equipped with an Airborne 1H24 series check valve manifold
which was manufactured five years ago or more, inspect the check valve
manifold per the latest revision of Airborne SL 39A.
3 Inspect stabilator attach brackets for rust and corrosion. (Refer to Paragraph 4-19a.)
III - INSPECTION 07/31/09
1C62