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Guilherme Tomazini

Remove Oil Return Tube

by Guilherme Tomazini in 912 / 914 Technical Questions 8 years ago

Is there a secret technique to remove the oil return tube from the heads? I need to replace it because it's damaged but it seems impossible!

Re: Remove Oil Return Tube

by Roger Lee » 8 years ago

Roger Lee

129 5.31k 5.12k

Are you talking about the long pushrod tubes or a 90 degree coolant tube?

Roger Lee
LSRM-A & Rotax Instructor & Rotax IRC
Tucson, AZ Ryan Airfield (KRYN)
520-349-7056 Cell

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Re: Remove Oil Return Tube

by Guilherme Tomazini » 8 years ago

Guilherme Tomazini

6 13 21

The long ones

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Re: Remove Oil Return Tube

by Roger Lee » 8 years ago

Roger Lee

129 5.31k 5.12k

I'm not sure if you can buy this oil return tube or the head has to go in for the repair. The part number which is in the IPC 72-20-00 pg. 28 is 924440 and it is held in place with Loctite 648 which will take heat to remove it. You'll have to call a service center and see what they say. I don't believe there is a procedure spelled out in the Heavy Maint. manual for this procedure so that's what leads me to believe the head needs to go in. I may be wrong and you should make a call.

Roger Lee
LSRM-A & Rotax Instructor & Rotax IRC
Tucson, AZ Ryan Airfield (KRYN)
520-349-7056 Cell

Thank you said by: Guilherme Tomazini

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Re: Remove Oil Return Tube

by Norvel Swallie » 5 years ago

Norvel Swallie

23 37 73

I read where you have to heat to 220 degrees with a heat gun to remove them. I have the same problem but the heat gun did not work. Any more sugestions?

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