CHAPTER 61
PAGE 3
MAINTENANCE MANUAL EXTRA 300/SC
PAGE DATE: 1. August 2014
61-00-00 GENERAL
The EXTRA 300/SC is equipped with a MTV-9-B-C/C198-
25 (3-blade) or optionally with a MTV-14-B-C/C190-130
(4-blade) constant speed propeller. Maintenance work or
overhaul of the propeller requires consultation of the pro-
peller manufacturer MT-Propeller.
Proper control, operation and maintenance of the propeller
is described in the Operation- and Installation Overhaul
Manual E-124 latest approved revision of MT Propeller
(Germany); refer to "http://www.mt-propeller.com/en/entw/
serv_op.htm".
61-10-00 PROPELLER
The variable pitch propeller consists of the following
main groups:
- Hub with blade bearings and pitch change mechanism
- Blades
- Counterweights
- Spinner
- Propeller govenor
Natural composite blades, using high compressed wood in
the root and lightweight wood in the remaining body, with
fiber reinforced Epoxy cover and metal leading edge
protection are used to minimize weight at the highest
amount of safety against fatigue fractures due to
vibrations.
N O T E For more information about the propeller refer to MT-
Propeller Operation- and Installation Manual E-124.
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