MAINTENANCE PRACTICES
61-00-15
Page 6-7
Rev. 24 Dec/20
Propeller Owner's Manual
115N
2. Lubrication
(Rev. 6)
CAUTION:
INSTRUCTIONS AND PROCEDURES IN
THIS SECTION MAY INVOLVE PROPELLER
CRITICAL PARTS. REFER TO THE
INTRODUCTION CHAPTER OF THIS
MANUAL FOR INFORMATION ABOUT
PROPELLER CRITICAL PARTS. REFER TO
THE ILLUSTRATED PARTS LIST CHAPTER
OF THE APPLICABLE OVERHAUL MANUAL(S)
FOR THE IDENTIFICATION OF SPECIFIC
PROPELLER CRITICAL PARTS.
A. Lubrication Intervals
(1) The propeller must be lubricated at intervals not to exceed
400 hours or 1
2 calendar months, whichever occurs first.
(a)
Inspection and maintenance specified by an airframe
manufacturer’s maintenance program and approved by
the applicable airworthiness agency may not coincide
with the lubrication interval specified.
1 In this situation, the airframe manufacturer’s
schedule may be applied as long as the calendar
limit for the lubrication interval does not exceed
twelve (12) months.
(b) If the aircraft is operated or stored under adverse
atmospheric conditions, e.g., high humidity, salt air,
calendar lubrication intervals should be reduced to six
months.
(c) If the propeller is leaking grease, the lubrication interval
should be reduced to 100 hours until the grease leak
issue is resolved.
(2) Owners of high use aircraft may wish to extend their
lubrication interval. The lubrication interval may be
gradually extended after evaluating bearing wear and
internal corrosion when the propeller is overhauled.
(3) Hartzell Propeller Inc. recommends that new or newly
overhauled propellers be lubricated after approximately the
first
10 hours of operation because centrifugal loads will
pack and redistribute grease, which can result in a propeller
imbalance. Redistribution of grease may also result in voids
in the blade bearing area where moisture can collect.
Содержание HC-C2YR-4CF/FC8475-6
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