AD/OM-P/4 - Piston Pin Circlip - Replacement and Installation Procedure
1AD/OM-P/4 - Piston Pin Circlip - Replacement and Installation Procedure
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COMMONWEALTH OF AUSTRALIA (Civil Aviation Regulations 1998), PART 39 - 106 CIVIL AVIATION SAFETY AUTHORITY
SCHEDULE OF AIRWORTHINESS DIRECTIVES
Image unavailable in extracted text Omnipol Piston Engines
AD/OM-P/4 Piston Pin Circlip - Replacement NK
and Installation Procedure
Applicability: Walter M4-111, M6-111, M332 and M337 engines.
Requirement: 1. Piston pin circlips may be used only once, and shall be replaced with a new circlip after each removal from the piston groove, irrespective of the length of the time in service.
- The dimensional checks of new circlips and procedures for removal, gap positioning and installation of circlips specified in Omnipol SBs Nos. M4-111/29, M6-111/27, M332/55 and M337/50 shall be observed, using a circlip driver similar in principle to driver P/N Z 2-01503-01.
Compliance: At each removal of circlip after 30 September 1974.