Service Instruction No. 1420 A
Supersedes Service Instruction No. 1420
February 25, 2011
MODELS AFFECTED
All Lycoming reciprocating aircraft engines with AN type gear driven fuel pump
TIME OF COMPLIANCE
Any time the pump is installed.
Service Instruction No. 1454 A
February 25, 2011
MODELS AFFECTED
All Lycoming engines incorporating parallel valves except O235 Series, O290 Series, O320H Series and TO360E Series.
TIME OF COMPLIANCE
Anytime valve rocker assemblies are removed.
Service Instruction No. 1508 C
Supersedes Service Instruction No. 1508B
February 10, 2011
MODELS AFFECTED
All Lycoming engines with dual magnetos
TIME OF COMPLIANCE
At the next oil change, not to exceed 50 hours of engine operation or at each magneto timing check or service
Service Instruction No. 1539
DATE: February 4, 2011
MODELS AFFECTED
AEIO-540-D4B5 Model Engine Installed in H.A.L. HPT-32 Aircraft.
TIME OF COMPLIANCE
At owner’s discretion.
Service Instruction No. 1530
DATE: February 4, 2011
MODELS AFFECTED
All Lycoming aircraft engines.
TIME OF COMPLIANCE
Immediately after flight or ground operation in particulate-laden atmospheres.
This service instruction gives guidelines for operation, inspection, and service of Lycoming engines which have been operated in atmospheres that have particulate matter such as dust, sand, debris, and volcanic ash.
Service Instruction No. 1534
DATE: January 27, 2011
MODELS AFFECTED
All Lycoming aircraft engines using automotive fuel.
TIME OF COMPLIANCE
Before engine storage for a duration of 6-months or longer.
The Service Instruction only applies to Lycoming engines that have been operated on automotive fuel (as specified in the latest revision of Service Instruction No. 1070) and are to be stored for 6 or more consecutive months.
Service Letter No. 248
January 14, 2011
To all Owners and Operators of Lycoming O-235 Aircraft Engines
This Service Letter introduces the new upgraded O-235 crankcase and associated replacement part numbers available as an option to replace the existing O-235 crankcases.
Service Bulletin No. 594
DATE: January 10, 2011
MODELS AFFECTED
All Lycoming new, overhauled, or rebuilt turbocharged or turbo normalized engines, shown in Table 1, shipped before October 27, 2010 with HET or Kelly turbocharger installed and has less than 50 hours of service time (Refer to the attached Table 2 of HET Mandatory Service Bulletin 040 A) HET or Kelly turbocharger shipped as a spare part from Lycoming Engines before October 27, 2010 (Refer to the attached Table 1 and 1b of HET Mandatory Service Bulletin 040 A.)
TIO-540-AA1AD Parts Catalog
DATE RELEASED:
January 2011
TITLE:
TIO-540-AA1AD Parts Catalog
DOCUMENT PART NUMBER:
PC-315-4
MODELS AFFECTED:
TIO-540-AA1AD
IO-360-M1B Parts Catalog
DATE RELEASED:
January 2011
TITLE:
IO-360-M1B Parts Catalog
DOCUMENT PART NUMBER:
PC-306-16
MODELS AFFECTED:
IO-360-M1B series