inspection and check
61-00-40
propeller owner’s Manual
140
Page 5-9
Rev. 2 Jun/12
D. Overhaul Periods
In flight, the propeller is constantly subjected to vibration
from the engine and the airstream, as well as high centrifugal
forces. The propeller is also subject to corrosion, wear,
and general deterioration because of aging. Under these
conditions, metal fatigue or mechanical failures can occur. To
protect your safety and your investment, and to maximize the
safe operating lifetime of your propeller, it is essential that a
propeller be properly maintained and overhauled according
to the recommended service procedures.
CAUTION 1: OVERHAUL PERIODS LISTED BELOW,
ALTHOUGH CURRENT AT THE TIME OF
PUBLICATION, ARE FOR REFERENCE
PURPOSES ONLY. OVERHAUL PERIODS
MAY BE INCREASED OR DECREASED AS
A RESULT OF CONTINUING EVALUATION.
CAUTION 2: REFER TO THE LATEST REVISION OF
HARTZELL PROPELLER INC. SERVICE
LETTER 61( ) FOR THE MOST CURRENT
INFORMATION. THIS DOCUMENT IS
AVAILABLE ON HARTZELL PROPELLER’S
WEBSITE AT WWW.HARTZELLPROP.
COM.
(1) Hartzell Propeller Inc. HC-D( )V( )-( )( ) propellers must
be overhauled at 1000 hours or 60 calendar months
(whichever occurs first).
(2) Hartzell Propeller Inc. HC-D( )MV( )-( )( ) propellers must
be overhauled at 2000 hours or 60 calendar months
(whichever occurs first).
Summary of Contents for HC-D2MV20-3 Series
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