Propeller Owner’s Manual
147
MAINTENANCE PRACTICES
61-00-47
Page 6-25
Rev. 16 May/20
7. Dynamic Balance
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. Overview
NOTE: Dynamic balance is recommended to reduce
vibrations that may be caused by a rotating system
(propeller and engine) imbalance. Dynamic
balancing can help prolong the life of the propeller,
engine, airframe, and avionics.
(1) Dynamic balance is accomplished by using an accurate
means of measuring the amount and location of the
dynamic imbalance.
(2) The number of balance weights installed must not
exceed the limits specified in this chapter.
(3) Follow the dynamic balance equipment manufacturer’s
instructions for dynamic balance, in addition to the
specifications of this section.
NOTE: Some engine manufacturers' instructions also
contain information about dynamic balance
limits.
B. Inspection Procedures Before Balancing
(1) Visually inspect the propeller assembly before dynamic
balancing.
NOTE
: The first run-up of a new or overhauled
propeller assembly may leave a small amount
of grease on the blades and inner surface of
the spinner dome.
(a) Use Stoddard solvent (or equivalent) to completely
remove any grease on the blades or inner surface of
the spinner dome.
Содержание HC-E4 3 Series
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