--> Europa-List message posted by: Erich Trombley <erichdtrombley@juno.com>
Hello Ron,
I just finished the job not two days ago. I have a 914 in a classic with the
XS engine mount and standard starter. Download the heavy maintenance manual
and read the procedure. Rotax do a good job of explaining the process. The
illustrated parts catalog is also helpful to understand the assembly of the
starter.
The job is really straight forward but access to the hold down clamp was
challenging. I recommend removing the lower cowl to get better access to the
head of the bolt on the hold down clamp.
My starter had been in place for over 25 years. Suggest applying penetrating
oil to bolt if possible. Unfortunately, access to the head of the bolt
precludes using a wrench or socket as the Rotax ring mount is in the way. I
used the largest flat head screwdriver that fit in the slot which had a hex
shaft to allow the application of a wrench. While pressing hard it keep the
screwdriver engaged I was able to break the bolt free with by turning the shaft
of the screwdriver with a wrench.
Next you will need to unbolt the exhaust bend at the cylinder head (13mm)to
gain access to the two 8mm mounting nuts which secure the starter to the
engine. I found that for the top nut on the exhaust a 12- point thin walled
socket on a long extension worked really well. The bottom nut can only be
removed with an open end wrench. The 8mm mounting nuts can be easily removed
with a 12-point box end wrench. A 6-point box end will not work!
With the hold down clamp loose and the 8mm nuts removed carefully extract the
starter from the engine keeping the starter together as an assembly. I used a
flat blade screwdriver to gently pry it out of the engine case.
Do not just pull on starter or the body will separate from the bearing flanges.
It’s the 8mm nuts that keep everything together.
Fish the starter out from the back of the engine mount.
Reverse the process to install new starter. The HD starter uses a different
mounting arrangement and I can’t speak to the ease of installation. For the
912ULS the HD is preferred.
Good luck!
Erich Trombley
N28ET
Classic Monowheel 914
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