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Rotax 912 i Series Service Instructions Manual
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Rotax 912 i Series Service Instructions Manual

Selection of suitable operating fluids
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SI-912 i-001R4
SI-912-016R9 / SI-914-019R9
This SI revises SI-912 i001R3/SI-912-016R8 and SI-914-019R8 dated16 April 2015
Selection of suitable operating fluids for ROTAX
Type 912 i, 912 and 914 (Series)
ATA System: 12-10-00 Operating fluids
1) Planning information
To obtain satisfactory results, procedures specified in this publication must be accomplished with
accepted methods and prevailing legal regulations.
BRP-Rotax GmbH & Co KG cannot accept any responsibility for the quality of work performed in
accomplishing the requirements of this publication.
1.1) Applicability
All engines of type:
1.2) Concurrent ASB/SB/SI and SL
none.
1.3) Reason
Introduction and release of GAZPROM B-92 and B-92/115. Additional information for coolant.
Change of company name.
1.4) Subject
Selection of suitable operating fluids for ROTAX
1.5) Compliance
According Maintenance Manual of engine type ROTAX
issue.
m
m
1.6) Approval
The technical content of this document is approved under the authority of DOA ref.
EASA.21J.048.
1.7) Labor time
none.
1.8) Mass data
change of weight - - - none.
moment of inertia - - - unaffected.
1.9) Electrical load data
no change.
27 March 2017
Copyright - BRP-Rotax GmbH & CO KG. All rights reserved.
Engine type
912 i (Series)
912 (Series)
914 (Series)
Non-compliance with these instructions could result in engine damag-
WARNING
WARNUNG
es, personal injuries or death
Current valid documentation see:
www.FLYROTAX.com
SERVICE INSTRUCTION
Serial number
all
all
all
engine type 912 i, 912 and 914 (Series).
®
®
Engine
®
912 i, 912 and 914 (Series), current
12-10-00
page 1 of 11

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Summary of Contents for Rotax 912 i Series

  • Page 1 To obtain satisfactory results, procedures specified in this publication must be accomplished with accepted methods and prevailing legal regulations. BRP-Rotax GmbH & Co KG cannot accept any responsibility for the quality of work performed in accomplishing the requirements of this publication.
  • Page 2 The status of the Manuals can be determined by checking the table of amendments. The 1 column of this table shows the revision status. Com- pare this number to the are listed on the ROTAX WebSite: www.FLYROTAX.com. Updates and current revisions can be downloaded for free.
  • Page 3 If possible, operate the listed engine types using unleaded or low-lead fuel. (AVGAS 100 LL is not considered low leaded in this context.) Use the recommended motor oils tested and released by BRP-Rotax according to section 3.2 of this SI.
  • Page 4 (MOGAS or AVGAS). Motor oils tested and released from BRP-Rotax (for use with unleaded fuel or MOGAS), which we recommend for use with our ROTAX® engine types 912 i, 912 and 914 Series: Brand Description...
  • Page 5 In principle, 2 different types of coolant are permitted: Conventional coolant based on ethylene glycol with 50% water content Waterless coolant based on propylene glycol (not allowed for 912 i Series) 4.2) Conventional coolant Conventional coolant (with about 50% water content) has a specific thermal capacity that is higher than waterless coolant.
  • Page 6 However, its specific thermal capacity is lower than of conventional coolant which resulting in slightly higher running temperatures. The cooling system of ROTAX® engine types 912/914 Series (without Suffix - 01) is designed for compatibility with waterless coolant and thus must not be modified, i.e. drainage or ventilation holes must not be closed.
  • Page 7 The above warnings are taken from the manufacturer’s users manual, NOTICE WARNUNG however the original text and description in the users manual is binding (see: www.evanscooling.com). 27 March 2017 12-10-00 page 7 of 11 Copyright - BRP-Rotax GmbH & CO KG. All rights reserved.
  • Page 8 Additives under the names of Decalin® and Alcor TCP®, which aid the scavenging of lead depos- its have not been tested by BRP-Rotax. Field experience shows that these products have no det- rimental effect on the engine, when used in the recommended manner.
  • Page 9 MG 91 standard MG 95 MG 95 MG 95 released brand-name GAZPROM B-92 GAZPROM B-92 GAZPROM B-92 GAZPROM B-92/115 GAZPROM B-92/115 GAZPROM B-92/115 27 March 2017 12-10-00 page 9 of 11 Copyright - BRP-Rotax GmbH & CO KG. All rights reserved.
  • Page 10 AVGAS 100LL places greater stress on the valve seats due to its high lead content and forms increased deposits in the combustion chamber and lead sediments in the oil system. 27 March 2017 12-10-00 page 10 of 11 Copyright - BRP-Rotax GmbH & CO KG. All rights reserved.
  • Page 11 Translation to other languages might be performed in course of localization. In any case the origi- nal text in English language and the metric units are authoritative. 7.2) Inquiries Inquiries regarding this Service Instruction should be sent to the ROTAX authorized distributor of ®...

This manual is also suitable for:

912 series914 series