need help with front shock absorber

[flamaster]

Hi again. Now I'm working on the front shock absorber (I want to galvanize it) and I want to dismantle it. I have taken out the pin (zylinderkerbstift), but the inner tube (teleskoprohr rechts) doesn't want to come out of the outer tube (führungsrohr). Is it somewhat blocked or something?

[TheJecheru]

Hello flamaster!

I´m not really sure, but it might be, that you can turn it like a screw (The spring Is like a screw thread. Have you tried that way?

regards Jens

What is your real first name?

[Klaus]

I guess this isn't a pin but a lubrication fitting ("Schmiernippel"), but you have also to remove a screw (RT 125/2) or a snap ring (RT 125/3 or late /2), which blocks the inner tube.

good luck

Klaus

[flamaster]

Hi Klaus, the lubrication fitting is removed but I also removed the pin at the bottom of the absorber. I can't find any more screws that would hold the inner tube nor a snap ring. Unless it's somewhere inside or something? Maybe through the hole on the top?
Also, it's RT 125/2 from '58.

@Jens - I tried twisting but just spins and does not come out. I don't want to use force not to brake anything though :/

Thanks for your interest!

Karol

[Klaus]

Hi Karol,

as shown in the drawing the inner tube is fixed in the outer one by the screw Nr. 17 through the hole on the top and the hollow screw Nr. 34 at the bottom.
Remove both, fix the end of the inner tube in a bench vice and push / pull on the the outer tube
(sometimes a little bit power is necessary, because the (Pertinax-) liners 35 and 38 are expanded by moisture)

More helpful drawings you'll find there


http://www.mz-rt.de/rt125-2/ersatzteillist..._rt125-1-2.html


regards Klaus

Angefügtes Bild

[flamaster]

Hi Klaus, thanks a lot, it worked The only element that is still blocked on the inner tube is the no. 38 liner. It's made of some sort of plastic or something and has stuck to the tube. I would use a wrench or pliers but then it crumbles :/

Thanks again.

[Klaus]

Hi Karol



you can buy new tubes on ebay or from a dealer, who is specialised on MZ-Oldtimer fittings
(Oldtimer Haase, Ost2rad , sausewind, zweirad-schubert .....) Look for "Führungsbuchsen für die Telegabel" or "Pertinax Buchsen"

regards Klaus