Stiff focus ring in Carl Zeiss T* 50mm 1:1.7 C/Y RE-lube with #10 grease

The focus ring was a bit stiff in my old Carl Zeiss T* 50mm 1:1.7 C/Y, so I fully disassembled the focus assembly and clean it with lighter fluid and then RE-lube with #10 grease.



Here are some link's to different repair tool's:


Japan Hobby Tool rubber cone:

https://www.amazon.com/Japan-Vacuum-C...



18 different size rubber repair tool's:

https://www.amazon.com/Sizes-Lens-Fil...



Divider Caliper Wing Compass:


https://www.amazon.co.uk/Divider-Cali...





You can also buy this set.

Lens Repair Set with pointed, flat, half flat tips:


https://www.amazon.com/dp/B00QRPWCN0/...




JIS cross head screw driver's:


https://www.amazon.com/Moody-Tools-58...


Or this set, that is the set I use:


https://eustore.ifixit.com/en/Tools/D...




Lens cleaning wipes (PEC-PAD):


https://www.amazon.com/dp/B0161VIZZ8/...



Thin Cotton Buds x 200 you can buy them here:

https://www.muji.eu/pages/online.asp?...



DSLRKIT Pro Lens Vise Tool Repair Filter Ring Ajustment Steel 27mm to 130mm:


https://www.amazon.com/DSLRKIT-Repair...



Japan Hobby Tool Herical Grease Made in Japan:

https://www.amazon.com/Japan-Hobby-He...