02 July 2021
Current valid documentation see:
79-00-00
Revision
www.flyrotax.com
Page 1 of 15
Copyright - BRP-Rotax GmbH & Co KG. All rights reserved.
part no. 898136
d068
92.fm
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
SERVICE INSTRUCTION
Purging of lubrication system for ROTAX
®
Engine Type
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
®
engine types:
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
®
was informed of a limited number of engine failures in the field resulting from a lack of
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.
Engine type
Serial number
916 i (Series)
all
915 i (Series)
all
912 i (Series)
all
912 (Series)
all
914 (Series)
all
