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SI-916 i-003R1 / SI-915 i-003R2
SI-912 i-004R3 / SI-912-018R4 /SI-914-020R4
This SI revises SI-916 i B-003/SI-915 i-003R1/SI-912 i-004R2/SI-912-018R3/SI-914-020-R3 dated 04 Nov. 2020
Purging of lubrication system for ROTAX
916 i (Series), 915 i (Series), 912 i (Series), 912 and 914
(Series)
ATA System: 79-00-00 Lubrication system
1) Planning information
To obtain satisfactory results, procedures specified in this publication must be accomplished with
accepted methods in accordance with 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 versions of ROTAX
916 i (Series)
915 i (Series)
912 i (Series)
912 (Series)
914 (Series)
1.2) Concurrent ASB/SB/SI and SL
In addition to this Service Instruction the following Service Instructions must be observed and
complied with:
in general - all relevant Alert Service Bulletins (ASB), Service Bulletins (SB), Service Instructions
(SI), Service Letters (SL), Service Instruction - Parts and Accessories (SI-PAC) with relevance to
perform this maintenance, repair or overhaul task.
- SI-912 i-005 / SI-912-010 / SI-914-011, title "Oil change", current issue
- SI-916 i B-001 / SI-915 i-001 / SI-912 i-001 / SI-912-016 / SI-914-019, title "Selection of suitable
operating fluids", current issue
1.3) Reason
This document should provide further guidance for the lubrication system with respect to:
-
purging
-
venting
-
to avoid air in the lubrication system
ROTAX
proper oil purging after the engine had been first installed and /or the engine had been re-worked.
This Service Instruction should help to make sure that the engines do not suffer such engine fail-
ures in the field. As air can be trapped in the valve tappets and cause valve train failure it is very
important to complete these instructions in their entirety.
02 July 2021
Revision
Copyright - BRP-Rotax GmbH & Co KG. All rights reserved.
engine types:
®
Engine type
was informed of a limited number of engine failures in the field resulting from a lack of
®
Current valid documentation see:
www.flyrotax.com
SERVICE INSTRUCTION
Serial number
all
all
all
all
all
Engine Type
®
Page 1 of 15
part no. 898136
79-00-00
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Summary of Contents for Rotax SI-916 i-003R1
- Page 1 To obtain satisfactory results, procedures specified in this publication must be accomplished with accepted methods in accordance with 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 SI-912 i-004R3 / SI-912-018R4 / SI-914-020R4 SERVICE INSTRUCTION 1.4) Subject Purging of lubrication system for ROTAX® Engine Type 916 i (Series), 915 i (Series), 912 i (Series), 912 and 914 (Series). 1.5) Compliance These guidance and inspections have to be performed before the next flight, following the installation of a new engine after re-installation (e.g.
- Page 3 1.12) Other Publications affected None. 1.13) Interchangeability of parts Not affected. 2) Material Information 2.1) Material Price and availability will be provided on request by ROTAX Authorized Distributors or their inde- ® pendent Service Centers. 2.2) Company support information None.
- Page 4 Persons with approved qualifications for the corresponding engine types. Only authorized per- sons (iRMT, Level minimum 9-Series Service) are entitled to carry out this work Persons with type-specific training All work has to be performed in accordance with the relevant ROTAX Instructions for ®...
- Page 5 In particular make sure that the oil level in the oil tank is between the two marks (max./min.) on the oil dipstick, but must never fall below the min. mark. 3.4) Maintenance - related information All work has to be performed in accordance with the relevant ROTAX Instructions for ®...
- Page 6 Re-fit the spark plugs. Restore aircraft to original operating condition. NOTE: See relevant MML on spark plug fitting and correct torque. If need- ed re-apply heat compound to threads. 02 July 2021 79-00-00 Revision Page 6 of 15 Copyright - BRP-Rotax GmbH & Co KG. All rights reserved.
-
Page 7: Environmental Note
Disconnect turbo oil return hose (pos. 2 on Fig. 1) from the oil tank (e.g. banjo bolt M10x1x19) and route the line to a separate container. Start the engine in accordance to the relevant Operators Manual (OM). 02 July 2021 79-00-00 Revision Page 7 of 15 Copyright - BRP-Rotax GmbH & Co KG. All rights reserved. - Page 8 Do not overfill, otherwise oil would exit through vent hole during operation. At oil level check the max. mark must not be exceeded. 02 July 2021 79-00-00 Revision Page 8 of 15 Copyright - BRP-Rotax GmbH & Co KG. All rights reserved.
- Page 9 Additionally perform a detailed visual inspection of relevant valve train components of push rod, rocker arm and valve spring for abnormal wear con- dition. 02 July 2021 79-00-00 Revision Page 9 of 15 Copyright - BRP-Rotax GmbH & Co KG. All rights reserved.
- Page 10 ® In any case the original text in English language and the metric units are authoritative. 3.10) Inquiries Inquiries regarding this Service Instruction should be sent to the ROTAX Authorized Distributor ® of your area. A list of all ROTAX Authorized Distributors or their independent Service Centers is provided on ®...
- Page 11 6 Vent nipple 7 Cap or plug 8 Pressurized air connection Fig. 1 Purging of oil system (916 i and 915 i Series) 02 July 2021 79-00-00 Revision Page 11 of 15 Copyright - BRP-Rotax GmbH & Co KG. All rights reserved.
- Page 12 6 Pressurized air connection 7 To oil pump 8 Return from engine Fig. 2 Purging of oil system (912 i Series) 02 July 2021 79-00-00 Revision Page 12 of 15 Copyright - BRP-Rotax GmbH & Co KG. All rights reserved.
- Page 13 6 Pressurized air connection 7 To oil pump 8 Return from engine AE 912_0039a Fig. 3 Purging of oil system (912 Series) 02 July 2021 79-00-00 Revision Page 13 of 15 Copyright - BRP-Rotax GmbH & Co KG. All rights reserved.
- Page 14 4 Suitable container 5 Cap or plug 6 Vent nipple 7 Oil return line Fig. 4 05449,05451 Purging of oil system (914 Series) 02 July 2021 79-00-00 Revision Page 14 of 15 Copyright - BRP-Rotax GmbH & Co KG. All rights reserved.
- Page 15 Exploded views are not technical drawings and are for reference only. For specific detail, refer to the current documents of the respective engine type. 02 July 2021 79-00-00 Revision Page 15 of 15 Copyright - BRP-Rotax GmbH & Co KG. All rights reserved.