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DT175 1978 - engine rebuild- sticky outy bits

  • MikeK-uk
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Hi all,
Making (slow) progress… but I’m in no rush.
Not sure what these three sticky outty bits are (can’t see then in parts list book).
Can i leave them in place during degreasing/vapour blasting, or that’s a terrible idea due to moisture/muck ingressing and being trapped?
Thank you!
Mike

 
Last edit: 27 Mar 2023 11:07 by MikeK-uk.
27 Mar 2023 11:05 #1

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Replied by Pete-RT1 on topic DT175 1978 - engine rebuild- sticky outy bits

Far right in photo is the pivot pin for the shift arm, left of that it is a cam screw to adjust the shift arm.
I think far left is pivot pin for the plastic tachometer drive.
In my opinion, given vapour blasting isn’t to harsh a process and so long as you aren’t focusing the vapour blast on them I would mask them with insulation tape.
You’ll have to thoroughly clean everything anyway prior to assembly.
As I said, just my opinion.
Good luck, Pete
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27 Mar 2023 12:42 #2

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Two are pressed-in shafts that you'd cause damage trying to remove.

The third is the eccentric bolt for the shift linkage adjustment.... you "can" remove it but then you'll definitely have to fiddle with getting the adjustment correct on reassembly.

If those parts will be damaged by whatever "cleaning method" you have in mind, I'd strongly suggest finding another method.
1963 YG1-T, 1965 MG1-T, Allstate 250, 1970 CT1b, 1971 R5, 1973 AT3MX, 1974 TS400L, 1975 RD350, 1976 DT175C, 1976 Husqvarna 250CR, 1981 DT175G, 1988 DT50, 1990 "Super" DT50, 1991 RT180, 2017 XT250
27 Mar 2023 12:44 #3

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Are you planning on vapour blasting the inside. Never heard of that being done or maybe i'm behind the 8 ball.
27 Mar 2023 13:43 #4

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Replied by MikeK-uk on topic DT175 1978 - engine rebuild- sticky outy bits

Was going to degrease the whole case.
TBH, wasn’t the sure whether it is normal to mask off the inside before vapor blasting.
But the comments have helped me decide - will mask off the inside and think all will be well.
Thanks very much!
Mike
Last edit: 27 Mar 2023 23:23 by MikeK-uk.
27 Mar 2023 14:28 #5

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If you're degreasing i've never masked anything. Nothing to damage, it'll be good. [in my opinion].
I guess ya talking liquid degreaser that is--is there any other way.
Last edit: 27 Mar 2023 16:08 by RT325.
27 Mar 2023 16:05 #6

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Replied by MikeK-uk on topic DT175 1978 - engine rebuild- sticky outy bits

Agree… was going to mask off after degrease and before the vapor blasting.
27 Mar 2023 23:24 #7

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