Hartzell HC-D2MV20-3 Series, Owner'S Manual And Logbook

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inspection and check
61-00-40
propeller owner’s Manual
140
Page 5-8
Rev. 2 Jun/12
B. Periodic Maintenance
(1) Lubricate the propeller assembly. Refer to Lubrication
in the Maintenance Practices chapter of this manual for
intervals and procedures.
(2) Rubber Diaphragm - HC-D2-(MV,V)-(7,8) propellers
(a) An inspection of the rubber diaphragm
(P/N B-119-2) is required every 6 months. Refer to
FAA Airworthiness Directive AD 65-21-04, Service
Letter HC-SL-61-48A, and Service Letter
HC-SL-61-61Y. These inspections must be
performed by an appropriately licensed propeller
repair facility in accordance with the applicable
propeller maintenance manual.
(b) Replacement of the rubber diaphragm (P/N B-119-2)
is required at intervals not to exceed 24 months or
250 hours of operation, whichever occurs first. Refer
to FAA Airworthiness Directive AD 65-21-04, Service
Letter HC-SL-61-48A, and Service Letter
HC-SL-61-61Y.
C. Airworthiness Limitations
(1) Certain components, as well as the entire propeller,
may have specific life limits established as part of the
certification by the FAA. Such limits require mandatory
replacement of specified parts after a defined number of
hours and/or cycles of use.
(2) Life limited component times may exist for the
propeller models covered in this manual. Refer to the
Airworthiness Limitations Section of this manual.
(3) Refer to the latest revision of Hartzell Propeller Inc.
Service Letter HC-SL-61-61Y for life limit data that has
not yet been incorporated into this manual. The service
letter is available on the Hartzell Propeller Inc. website at
www.hartzellprop.com.