5-20-00 Page 5-20 Revised: February 28, 2002
1C2
THE NEW PIPER AIRCRAFT, INC.
PA-44-180
AIRPLANE MAINTENANCE MANUAL
SCHEDULED MAINTENANCE CHECKS (CONT)
— Note — Refer to Notes 1, 2, 3, and 4 before performing inspections.
Nature of Inspection Inspection time (hrs)
H. GENERAL 50 100 500 1000
1. Aircraft conforms to FAA specifications......................................................... 2. All FAA Airworthiness Directives complied with........................................... 3. All Manufacturers Service Letters and Bulletins complied with..................... 4. Check for proper Pilot’s Operating Handbook (POH) .................................... 5. Aircraft papers in proper order ........................................................................ THIS SPACE INTENTIONALLY BLANK O O O O O O O O O O O O O O O O O O O O
5-20-00 Page 5-21 Revised: February 28, 2002
THE NEW PIPER AIRCRAFT, INC.
PA-44-180
AIRPLANE MAINTENANCE MANUAL
SCHEDULED MAINTENANCE CHECKS (CONT)
NOTES:
1 Refer to Piper's Customer Service Information Catalog No. 1753-755 (Aerofiche) for latest revision dates to Piper Inspection Reports and this Manual.
2 All inspections or operations are required at each of the inspection intervals as indicated by a (O). Both the annual and l00 hour inspections are complete inspections of the airplane identical in scope while both the 500 and 1000 hour inspections are extensions of the annual or l00 hour inspection which require a more detailed examination of the airplane, and overhaul of replacement of some major components. Inspections must be accomplished by persons authorized by the FAA.
3.
Piper Service Bulletins are of special importance and Piper considers compliance mandatory.
4.
Piper Service Letters are product improvements and service hints pertaining to servicing the airplane and should be given careful attention.
5.
Inspections given for the power plant are based on the engine manufacturer's operator's handbook (Lycoming Part Number 60297-12) for this airplane. Any changes issued to the engine manufacturer's operator's handbook after this date shall supersede or supplement the inspections outlined in this report. Occasionally, service bulletins or service instructions are issued by Textron Lycoming that require inspection procedures that are not listed in this manual. Such publications usually are limited to specific models and become obsolete after corrective steps have been accomplished. All such publications are available from Textron Lycoming distributors, or from the factory by subscription. Consult Lycoming Service Letter No. L114 for subscription information. Maintenance facilities should have an up-to-date file of these publications available at all times.
6.
Add oil additive LW-16702 at each 50 hour oil change. The additive may be purchased thru Lycoming or Piper distribution systems. Refer to latest revisions of Textron Lycoming Service Instruction No. 1409 and Service Bulletin No. 480.
7.
Replace or overhaul, as required, or at engine overhaul. In no case may Slick 4300 series magnetos exceed engine TBO time in service.
8.
Replace engine compartment flexible hoses (fuel, oil, etc.) as required, but not to exceed 1000 hours time-in-service, 8 years, or engine overhaul, whichever comes first.
9.
Torque all attachment nuts to 135 - 150 inch-pounds; seat "Pal" nuts finger tight against plain nuts; then tighten and additional 1/3 to 1/2 turn.
10.
Check cylinders for evidence of excessive heat which is indicated by burned paint on the cylinders. This condition is indicative of internal damage to the cylinder and, if found, its cause must be determined and corrected before the aircraft is returned to service. Heavy discoloration and appearance of seepage at the cylinder head and barrel attachment area is usually due to emission of thread lubricant used during assembly of the barrel at the factory, or by slight gas leakage which stops after the cylinder has been in service for awhile. This condition is neither harmful nor detrimental to engine performance and operation. If it can be proven that leakage exceeds these conditions, the cylinder should be replaced.
11.
At every 400 hours of engine operation, remove the rocker box covers and check for freedom of valve rockers when valves are closed. Look for evidence of abnormal wear or broken parts in the area of the valve tips, valve keeper, springs and spring seat. If any indications are found, the cylinder and all of its components should be removed (including the piston and connecting rod assembly) and inspected for further damage. Replace any parts that do not conform with limits shown in the latest revision for Lycoming Service Table of Limits No. SSP-1776.
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