Dimensional inspections should be carried out in accordance with measurements and tolerances as listed in âTable of Limitsâ (SSP-1776) for all parts approved ...
Service Bulletin No. 240R (Supersedes Service Bulletin No. 240Q) Engineering Aspects are FAA Approved
SUBJECT:
Mandatory Parts Replacement at Normal Overhaul and During Repair or Normal Maintenance
MODELS AFFECTED:
All Textron Lycoming reciprocating aircraft engines.
TIME OF COMPLIANCE:
As specified below.
AT OVERHAUL OR UPON REMOVAL: Any time the following parts are removed from any Textron Lycoming reciprocating engine, it is mandatory that the parts be replaced regardless of their apparent condition. • • •
All circlips, lockplates, retaining rings and laminated shims All lockwashers and locknuts Stressed bolts and fasteners, such as: • Stationary drive gear bolts (reduction gear) • Camshaft gear attaching bolts • Connecting rod bolts and nuts • Crankshaft flange bolts • Crankshaft gear bolt
AT OVERHAUL: During overhaul of any Textron Lycoming reciprocating engine, it is mandatory that the following parts be replaced regardless of their apparent condition. • • • • • • • • • • •
Propeller shaft thrust bearings (all geared drive engines) Supercharger bearing oil seal (mechanically supercharged series) All exhaust valves (replace with current exhaust valves) All intake and exhaust valve guides All exhaust valve retaining rings Rocker arms and fulcrums (O-320-H, O, LO, TO, LTO-360-E series) Aluminum push rod assemblies (O-235 and O-290 series) Hydraulic plunger assemblies (Except for P/N 78290, refer to the latest edition of Service Instruction No. 1011.) All bearing inserts (main and connecting rod) Cylinder fin stabilizers Magneto drive cushions Thermostatic bypass valves Damaged ignition cables Crankshaft sludge tubes Counterweight bushings in crankshaft and in counterweights (See latest edition of Service Instructions No. 1142 and 1143 for instructions.) Accessory drive coupling springs (supercharged and VO-540 engines) AC diaphragm fuel pumps Oil pump bodies (two-piece) Oil pump gears (Reference latest editions of Service Bulletin No. 524 and Service Instruction No. 1164) All V-band couplings and gaskets
Requirements for replacement of parts for accessories such as magnetos, carburetors, fuel injectors, AN fuel pumps, and turbochargers are described in the applicable manufacturer’s manual. * - Heavy-wall piston pins P/N LW-14077 and P/N LW-14078 may be reused; all others should not be reused. See latest edition of Service Instruction No. 1340 and No. 1267 for replacement data. ** - P/N MS-20822-6D aluminum propeller governor oil line elbow must be replaced with P/N MS20822-6 steel elbow at overhaul. It is not necessary to replace a steel elbow. (Reference latest edition of Service Instruction no. 1435 and Service Bulletin No. 488.) Dimensional inspections should be carried out in accordance with measurements and tolerances as listed in “Table of Limits” (SSP-1776) for all parts approved for use.
NOTE: Revision “R” corrects Service Instruction number. Page 2 of 2
Jul 10, 2001 - The fuel lines to the nozzles are made from 1/8 inch tubing. A separate .... 80. AN4-13A. BOLT, 1/4-28 x 1-13/32 long. 81. LW-12598. SLEEVE.
2641 Spring St. Long Beach, CA 90806. Phone No. .... Lincoln Park Aviation. 425 Beaver Brook Road. Lincoln, NJ 07035. Phone No.: 973-633-0450. Fax No.:.
July 13, 2000. Service Bulletin No. 480D. (Supersedes Service Bulletin No. 480C). Engineering Aspects are. FAA Approved. SUBJECT: I. Oil and Filter Change ...
Dec 1, 1990 - SERVICE BULLETIN: If the RSL lanyard does not fit properly, check the length against the chart for proper mating/compatibility. COMPLIANCE ...
Dec 1, 2003 - All Propellers, Governors, and Accumulators .... service (engine installation) or at any time governor or accumulator is removed from service.
Jun 22, 1992 - Also, it is imperative that the scale used is a calibrated scale. Failure to do so will result in false measurements and non-compliance with this ...
made only) *2. 85143-02020. 85143-02020. Grommet rear wiper motor. 1. I. Prev. Part. New Part. (I). PP. NP. NI. PP. NP. (NI). PP. NP. S Interchangeable as a set.
Aug 24, 2010 - Engineering Aspects are. FAA (DER) .... been in the combustion chamber provides a base to support the intake valve in the event the valve.
Aug 24, 2010 - Lycoming Engines has identified a specific lot of intake valves P/N .... been in the combustion chamber provides a base to support the intake ...
It is also stamped on the manufacturer's plate as shown in the ... Mainly false air intake triggered this code, which was due to improperly fitted throttle body O-ring ...
This will require a (1) time inspection and replacement of the throttle body retaining nut fastener. INSTRUCTIONS: Read entire procedure before beginning work.
Manufacturer: To issue new updated copies: 1. Technical description of the PZS â 92 rescue parachute, Packing and use instructions No. P â 003 â 93, 2. issue ...
INTRODUCTION: There is a possibility that the affected aircraft may have flap actuator mounting brackets. (part number 750096-7 and â9) installed which ...
or EATON P/N 102000-1, -2, -3, -4, -5, or â7 Landing Gear Actuator per MAC Drawing. 940007 âRetrofit, Avionic Products/Plessey Electric Gear Actuatorâ.
Oct 30, 2003 - If a maintenance shop has any âNo Backâ Clutch Springs in inventory, it is ... Complete any service response paper work received from MAC Service Parts ... (6) can be rotated in either direction and small output gear (10) will.
Aug 9, 1991 - During engine assembly, the cam lobes and lifter faces must be coated with a molybdenum disulfide grease, such as Dow Corning® Molykote ...
The inside lens of the headlights may fog temporarily when the vehicle is driven in the rain or washed at a driver through car wash. This fogging is more ...
Jan 1, 1993 - Re-design of the main riser covers to eliminate the use of velcro in favor of pressure tongue technology. 2. Adoption of the Reserve Static Line ...
