Post Reply 
2015's calculator anniversary - the SR-52
02-07-2016, 01:08 PM (This post was last modified: 02-07-2016 01:29 PM by Etienne Victoria.)
Post: #20
RE: 2015's calculator anniversary - the SR-52
Thanks for your kind words :-)

For the card reader, Fsoft has actually a repair procedure way better documented than mine here.

While I'm at it, I opened my SR-52.

[Image: VIC_6935.JPG]

Just like you, I measure the motor axis at around mm 4,3 which should be fine to fit a rubber roller between mm 3,0 & 3,8 without having to glue it.

[Image: VIC_6941.JPG]

I use a washer ajusted to inner mm 3,2 as seen below (no glue). Fsoft uses mm 3,0.

[Image: VIC_6943.JPG]

As for the outer diameter, Fsoft used mm 9,0 which is IMHO way too large. I think this would put excessive stress on the motor.

I use mm 8,2 which works.

But I'll check on my other 52s before posting back.

All the best for the electronics repair before you get to the card reader. This one is a monster :-)

[Image: VIC_6937.JPG]

Etienne
Visit this user's website Find all posts by this user
Quote this message in a reply
Post Reply 


Messages In This Thread
RE: 2015's calculator anniversary - the SR-52 - Etienne Victoria - 02-07-2016 01:08 PM



User(s) browsing this thread: 1 Guest(s)