You have to be able to whip something out of your pants to be effective...

I do not have mine... I accidentally acquired the 7 cans of R12 I have...and you know I know and respect the rules... also have my can of R22, big nitrogen cylinder, etc...

How about this?
http://www.epa.gov/ozone/title6/608/technicians/608certs.html

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1980 240d ,

chain elongation, cam marks reference:
http://www.peachparts.com/shopforum/diesel-discussion/10414-help-i-need-check-stretch.html

http://www.peachparts.com/shopforum/diesel-discussion/305365-9-degrees-chain-stretch.html

evap fin cleaning:

http://www.peachparts.com/shopforum/diesel-discussion/156207-photo-step-step-post-showing-w123-evaporator-removal-1983-240d-1982-300td.html?highlight=evaporator

A/C thread

http://www.peachparts.com/shopforum/diesel-discussion/297462-c-recommendations-mb-vehicles.html