Rotax 912 Series User manual

AIRCRAFT ENGINES
ref. no.: MML-912 | part no.: 899191

Before starting any maintenance work, please read the Maintenance Manual,
as it contains important safety relevant onformation. Failure to do so may
result in personal injuries including death. Consult the original equipment
manufacturer´s handbook for additional instructions!
WARNING
These technical data and the information embodied therein are the property of
BRP-Powertrain GmbH&Co KG, Austria, acc, BGBI 1984 no. 448, and shall not, without prior
written permission of BRP-Powertrain GmbH&Co KG, be disclosed in whole or in part to third
parties. This legend shall be included on any reproduction of these data, in whole or in part.
Copyright 2013© - all rights reserved.
ROTAX®is a trade mark of BRP-Powertrain GmbH&Co KG. In the following document the
short form of BRP-Powertrain GmbH&Co KG = BRP-Powertrain is used.
Other product names in this documentation are used purely for ease of identification and
may be trademarks of the respective company or owner.
Approval of translation has been done to best knowledge and judgement - in any case the
original text in german language is authoritative.

d05550.fm
MAINTENANCE MANUAL
BRP-Powertrain
Effectivity: 912 Series
Edition 3 / Rev. 0 INTRO
page 1
September 01/2012
Chapter: INTRO
GENERAL NOTE
Foreword Before carrying out maintenance work on the engine, read the Mainte-
nance Manual (Line Maintenance) carefully.
If any passages of the Manual are not clearly understood or if you have
questions, please contact an authorized Distribution or Service Center for
ROTAX-aircraft engines.
Chapter structure The structure of the Manual follows whenever it is applicable the struc-
ture of the ATA (Air Transport Association) standards. The aim is the
compatibility with the aircraft manufacturer documentation, i.e. they must
adapt these documentation to their standard.
The Maintenance Manual is subdivided into the following chapters:
Subject Chapter
Introduction Chapter INTRO
List of effective pages Chapter LEP
Table of amendments Chapter TOA
General note Chapter 00-00-00
Airworthiness limitations Chapter 04-00-00
Maintenance Chapter 05-00-00
Time limits Chapter 05-10-00
Scheduled maintenance checks Chapter 05-20-00
Unscheduled maintenance checks Chapter 05-50-00
Maintenance of the systems Chapter 12-00-00
Replenishing operating fluids Chapter 12-10-00
Scheduled maintenance Chapter 12-20-00

d05550.fm
MAINTENANCE MANUAL
BRP-Powertrain
Effectivity: 912 Series
Edition 3 / Rev. 0 INTRO
page 2
September 01/2012
NOTES

Effectivity: 912 Series
Edition 3 / Rev. 1
d05551.fm
MAINTENANCE MANUAL
BRP-Powertrain
LEP
page 1
January 01/2013
Chapter: LEP
LIST OF EFFECTIVE PAGES
tchapter page date
INTRO
Title page
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TOA 1
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Effectivity: 912 Series
Edition 3 / Rev. 1
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BRP-Powertrain
LEP
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d05552.fm
MAINTENANCE MANUAL
BRP-Powertrain
Effectivity: 912 Series
Edition 3 / Rev. 1 TOA
page 1
January 01/2013
Chapter: TOA
TABLE OF AMENDMENTS
Approval*
The technical content of this document is approved
under the authority DOA ref. EASA.21J.048
Note: THE APPROVAL IS GIVEN TO ALL CHAPTERS
EXCEPT THE AIRWORTHINESS LIMITATIONS
SECTION 04-00-00 WHICH IS SUBJECT TO
SPECIFIC APPROVAL OF THE EASA.
no. chapter page date of
change
remark for
approval
date of ap-
proval from
authorities
date of
issue signature
0
0
0
0
INTRO
LEP
TOA
00-00-00
all
all
all
all
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DOA*
DOA*
DOA*
0 04-00-00 1 09 01 2012 EASA approved
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all
1, 3
6,7
11-18
1,3,4,9
11-24
1,5,7,9,11,
12,15,24
25,32,49,
52,54,56,
60,68
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d05552.fm
MAINTENANCE MANUAL
BRP-Powertrain
Effectivity: 912 Series
Edition 3 / Rev. 0 TOA
page 2
September 01/2012
NOTES

d05552.fm
MAINTENANCE MANUAL
BRP-Powertrain
Effectivity: 912 Series
Edition 3 / Rev. 1 TOA
page 3
January 01/2013
Chapter: TOA
SUMMARY OF AMENDMENTS
Content
Summary of the relevant amendments in this context, but makes no claim to
completeness.
Current
No. chapter page date of change Comment
0
0
0
0
0
all
05-00-00
05-10-00
05-20-00
12-20-00
all
5
5, 8
17
22, 49
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09 01 2012
New Edition.
Valid time.
Storage period of engine, Time limit for fuel pump.
Smooth performance of the engine
Inspect rotary seal for leakage, compressed air
1
1
1
1
05-10-00
05-20-00
05-50-00
12-20-00
6,7
11
12
13
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1
3
4
9
11
12-23
13
1,5,7
9
11
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15
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32
49
52
54
56
60
68
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Footnote number changed.
Change of text.
Change of 600 hr.
Change of reference.
Compression check changed to every 200 hr.
Carburetor synchronization changed to mech. and
pneumatic synchronization.
Float chamber assy. check changed to every 200 hr.
Checking the propeller gearbox: footnotes added.
Oil change: footnote added, reference changed.
Check the oil tank: changed to every 200 hr.
Engine test run: Reference added.
Change of text.
Change of text.
Chapt. 1.1: change of text.
Chapt. 1.2: change of text.
Chapt. 3.1: change of text.
Chapt. 3.4: change of text.
Change of chapter number.
Cylinder head temperature instead of coolant temper-
ature.
Change of text.
Text deleted.
Change of text.
Change of text.
Text deleted.
Graphic reference added. page 25 step 3 added.
Change of text.
Change of text.
Change of text. possible foreign matter added
Change of text.
Change of text.
Text deleted.
Checking the friction torque: formular added.

d05552.fm
MAINTENANCE MANUAL
BRP-Powertrain
Effectivity: 912 Series
Edition 3 / Rev. 0 TOA
page 4
September 01/2012
NOTES