Oil Tank plug crush washer

by Terry Ballentine in 912 / 914 Technical Questions 11 years ago

The crush washer has a seam on one side does it matter which side is against the oil tank when it is tightened ?

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Re: Oil Tank plug crush washer

by bill martin » 11 years ago

bill martin

10 757 0

Terry,

The crush washer should be smooth on both sides if it is a new washer. If it is an old washer I would check the mating surfaces of the bolt and the tank to see if there is a defect there which would cause a seam in the washer. In either case, unless it is a serious seam, it will probably seal OK when tightened.

Bill.

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Re: Oil Tank plug crush washer

by Roger Lee » 11 years ago

Roger Lee

128 5.28k 4.98k

The seem goes towards the plug bolt head.

http://www.esatclear.ie/~xair/912%20oil%20change.pdf

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

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Re: Oil Tank plug crush washer

by Terry Ballentine » 11 years ago

Terry Ballentine

1 11 0

I ordered the washers from Lockwood a very reputable company and have torqued both sides of new washers to 225 in lbs but still getting a small oil leak from the oil tank. Where do you get your washers ? I'm still learning thanks for replying.

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Re: Oil Tank plug crush washer

by bill martin » 11 years ago

bill martin

10 757 0

Roger,

Since my first oil change I never noticed that the washer was a special crush washer. I've been using solid copper washers with each oil change (ignorance is bliss). Any problem with using the solid washers?

Bill.

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Re: Oil Tank plug crush washer

by Roger Lee » 11 years ago

Roger Lee

128 5.28k 4.98k

Hi Bill,

If it isn't leaking then its no issue.

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

Report

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Oil Tank plug crush washer

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