SERVICE BULLETIN

Rotax TECH TIPS SB Replacement of oil filter

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ROTAX RELEASES VIDEO ON INSPECTION and/or REPLACEMENT of the VALVE PUSH ROD ASSY.

Today, Rotax released a ROTAX TECH TIPS video regarding SB-912-070/SB-912 i-008/ SB-914-052.

Here is the link: https://youtu.be/MQbjDV1xKIg

The video gives a more detailed overview of the SB’s and how to implement them.

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ASB-912-069/ASB-914-051 Alert Service Bulletin Released.

2016-07-15_8-46-29Today, Rotax released an Alert Service Bulletin (ASB) – ASB-912-069/ ASB-914-051. Exchange of floats on ROTAX® Engine Type 912, 914 and
2-stroke (Series)

See the table below for more details:

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Rotax SB-912i-006/ SB-912i-006iS – Mandatory Exchange of the Stator Assembly.

statorchangeRotax has released Service Bulletin SB-912 i-006/006iS.  These bulletins require owners to upgrade the stator on their Rotax 912i and 912iS engines to a new optimized stator assembly.

Before we go into the overview, we must remind you that this is a warranty procedure and the best way to start the upgrade process is to contact your local independent Service Centre (iSC), independent Repair Centre (iRC) or Heavy Maintenance rated iRMT.

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Rotax releases SB-912-064-UL, SB-912-064, SB-914-045 and SB-914-045-UL

SB912064Today, Rotax released four service bulletins for the 912 and 914 series engines.  These bulletins are serial range specific.

Engine type Serial number
912 UL from S/N 6,770.159 up to S/N 6,770.596 inclusive
912 ULS S/N 6,777.436/
from S/N 6,777.492 up to S/N 6,777.508 inclusive/
S/N 6,777.514/
from S/N 6,777.526 up to S/N 6,777.873 inclusive/
from S/N 6,777.875 up to S/N 6,779.168 inclusive/
from S/N 6,779.170 up to S/N 6,779.581 inclusive/
from S/N 6,779.616 up to S/N 6,779.623 inclusive/
S/N 6,779.679/ S/N 6,779.705/ S/N 6,779.738
914 UL from S/N 6,774.138 up to S/N 6,774.160 inclusive/
from S/N 6,774.165 up to S/N 6,774.172 inclusive/
from S/N 6,774.176 up to S/N 6,774.268 inclusive/
from S/N 6,774.270 up to S/N 6,774.915 inclusive/
S/N 6,774.924/ S/N 6,774.959
912 A from S/N 4,410.884 up to S/N 4,410.940 inclusive
912 F from S/N 4,412.984 up to S/N 4,413.005 inclusive
912 S from S/N 4,924.042 up to S/N 4,924.358 inclusive
914 F from S/N 4,420.965 up to S/N 4,421.088 inclusive
NOTE: Crankshafts with the following serial number (S/N) that were installed or
delivered as spare parts in the above-mentioned engines and short blocks
(from S/N 9999627 up to S/N 9999678 inclusive) are also affected, if removed:
S/N 40232 up to S/N 44338 inclusive

Why:
Due to a deviation in the manufacturing process some crankshafts may develop a crack on the power take off side. These cracks can cause breakage of the crankshaft in the support bearing during operation. In this case the function of the support bearings (consisting of 3 main bearings and 2 support bearings) is compromised. The operating reliability, however, is given until the next maintenance.

When:
– During the next mandatory maintenance event, prescribed by BRP, or at the next 100 hours of operation, the checking of the crankshaft journal (power take off side) must be performed on the engines listed in section 1.1) according to the following instructions in section 3. If the engine was operated less than 100 hours of operation during one year, an inspection should also be performed every 12 months.
See also chapter 05-20-00 “Scheduled maintenance checks“ of the current Maintenance Manual (Line) of the respective engine type.
– Periodically at every additional 100 hours of operation, this check of the crankshaft journal (power take off side) has to be performed on the engines listed in section 1.1) according to the following instructions in section 3.
– Up to a TSN of 1000 h this periodic checking of the crankshaft journal (power take off side) must be performed on the engines listed in section 1.1) according to the following instructions in section 3.

NOTE:  In the event of a sudden drop in oil pressure of at least 0.5 bar (7.3 psi) in the same operating point (also within operating limits) the checking of the crankshaft journal (power take off side) must be conducted as soon as possible on the engines listed in section 1.1) according to the following instructions in section 3. This sudden drop in oil pressure can be a symptom of a broken crankshaft journal.

How:
Be sure to download SB-912-064 – this will give technicians detailed directions on how to perform the inspection.

Who:
This depends on how the aircraft is registered.

For the checking procedure in:

SLSA (USA) A technician with a current iRMT rating of Service or Higher and either a LSRM or A&P
CERTIFIED A technician with an A&P rating with type specific training (current iRMT Service Level or higher)
EXPERIMENTAL The owner of the aircraft.

Some common sense applies here.  You may be allowed to do the inspection, however if you do not feel comfortable with completing a task, seek professional assistance.  It must be remembered that for maintenance Rotax states ” It is a requirement that all organizations or individuals possess the required special tooling. Technicians must have type-specific training and keep a recurrent knowledge status for the level of work they intend to perform. Technicians may require accreditation from their local aviation authority in addition to any BRP-Powertrain requirements.”

Downloads:
SB-912-064-UL, SB-912-064, SB-914-045, SB-914-045-UL

 

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REVISION OF ASB-912-061 and ASB-912-061-UL


Rotax has released a revision to ASB-912-061 and ASB-912-061UL regarding the replacement of the pressure side fuel hose at fuel pump part no. 893114 for ROTAX engine type 912 (Series).

Downloads:
ASB-912-061 (certified engines)
ASB-912-061-UL (non certified engines)

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ASB 912-061 and ASB 912-061UL

ASB 912-061 and ASB 912-061UL
(see serial number range for certified and non-certified)

NOTE:  This ASB only affects some hoses supplied by Rotax, it is serial number specific.

Alert Service Bulletin released from Rotax on limited number of fuel lines supplied with fuel pumps.

Rotax has released an Alert on a select group of fuel lines found with the 893114 fuel pumps.  This was due to reports of some rubber debris coming from the inside covering of the fuel lines that could possibly contaminate the carburetion jetting.  Since it is a safety of flight issues any aircraft with the affected pump that is within that range must be grounded until a suitable line is fitted to the pump.  Currently the distributors are waiting for the notice of when appropriate spare parts will be shipped to supply for the affected engines.

Warranty for any affected line will be covered as long as the engine is registered.  For engines not yet installed there will be a special format that can be done to get an exchange hose.  Customers and maintenance providers will be required to return the old line to obtain credit for the replacement hose.

Each distributor will provide details of the programs via their respective service networks.  As this ASB develops www.Rotaxnews.net will keep you informed of the progress of parts supply.

Downloads:
ASB-912-061_English
ASB-912-061_UL_English

 

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Rotax releases Alert Service Bulletin ASB-912-060 and ASB-914-043

Rotax released an Alert Service Bulletin (ASB) today.  This ASB is a mandate to check for proper torquing on the oil pump bolts, in a specified range of engines.
Let’s have a look at a few key points:

Q. How many engines does this ASB affect?
A. Well if you purchased your engine in the US, South or Central America’s there will be very few owners affected.  According to the distributor, there are only 2 engines in their area that have been affected.  One of those was still in storage.  If you bought an aircraft from outside this region, please check the ASB.  The range of the affected engines is:
For the 912 U – L from S/N 6,770.461 up to S/N 6,770.462 inclusive
For the 912 ULS from S/N 6,778.908 up to S/N 6,778.932 inclusive/6,778.934 up to 6,778.958 inclusive/6,779.478 up to 6,779.502/6,779.504 up to 6,779.511
For the 914 UL from S/N 6,774.704 up to S/N 6,774.733 inclusive/6,774.861 up to 6,774.869 inclusive.

Q. What does an owner do if he has an engine in this range?
A. This question is easier to answer in point form:
1. They must first make sure his engine is registered.  Any independent Service Centre (iSC) can help him/her with this.
2. To do this check in the United States, on an Special Light Sport Aircraft (SLSA), an independent Rotax Maintenance Technician (iRMT) with an Light Sport Repairman (LSRM) or  Airframe and Powerplant (A&P) certificate is required.

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Rotax releases new Service Bulletin on crankshaft flywheel washers.

SB-912-058ULToday Rotax released a new set of new Service Bulletins for the type 9 series engines.  The issue found was a hardness problem with the crankshaft protection washer under the bolt and locking washer holding the flywheel in place.  Given that Rotax wishes to ensure no problems will be seen in the flied they have decided to replace all washers that were in that lot of materials.  This then is only applicable to a serial range of engines and will not affect older engines or any newer ones after that serial range.

4 bulletins were released, 2 for the certified engines, the type 912S series and the 914F series.  2 additional bulletins were released for the 912UL series and the 914UL series.  Technicians doing the replacements will want to make sure they refer to the correct bulletin, to attain the serial range that is to receive the SB modification.  New parts are already being distributed and many of the engines affected were still in the inventories of the Rotax Aircraft Engines distributors.

Owners and Rotax iRMT ( independent Rotax Maintenance Technicians), are reminded to check the engine log books and verify if the engine has already complied to the bulletin, as a large number were done at the distributor level prior to supply to the OEM and customers.  If the part change must be done on an engine in the field the log book must have an entry to indicate that the serial involved has been done in compliance with the bulletin.

The Rotax network of distributors and independent Service Centres will have details of any warranty coverage, should replacement of the washer be needed.  Contact your service provider if you have questions or do not understand the bulletin.

SB-912-058_914-041_UL_English

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