Marv 984 #1 Posted May 7, 2021 My pump is leaking and I am preparing to remove it and fix the leak. The repair manual does not have instructions for overhaul of the pump. The parts list does not show an exploded view for internal parts either. If someone has been there before and has information about the seals it would be very helpful to me. Thank you for any help you can give. Marv Share this post Link to post Share on other sites
oliver2-44 10,778 #2 Posted May 7, 2021 (edited) @Marv Search for topic's by @daveoman1966 he has done some repair threads. Check the Instructional Thread area, heres one. Edited May 7, 2021 by oliver2-44 Share this post Link to post Share on other sites
squonk 43,939 #3 Posted May 7, 2021 I'm thinkin that 250 has a different pump? Share this post Link to post Share on other sites
gwest_ca-(File Mod) 11,518 #4 Posted May 7, 2021 Does this manual answer the questions? I see there were 2 styles of pump Garry Share this post Link to post Share on other sites
Pollack Pete 2,273 #5 Posted May 7, 2021 (edited) 4 hours ago, squonk said: I'm thinkin that 250 has a different pump? You are correct,A D-250 has a hydraulic pump that runs off a V belt from the crankshaft that is used only for hydraulically operated attachments..No hydro pump.A D-250 has a manual transmission. Edited May 7, 2021 by Pollack Pete Share this post Link to post Share on other sites
littleredrider 409 #6 Posted May 8, 2021 Mine has a Bosch pump, so maybe find the model and search their site? Share this post Link to post Share on other sites
oliver2-44 10,778 #7 Posted May 8, 2021 4 hours ago, Pollack Pete said: You are correct,A D-250 has a hydraulic pump that runs off a V belt from the crankshaft that is used only for hydraulically operated attachments..No hydro pump.A D-250 has a manual transmission. i learned something again! Share this post Link to post Share on other sites
Marv 984 #8 Posted May 9, 2021 On 5/7/2021 at 6:01 PM, gwest_ca said: Does this manual answer the questions? I see there were 2 styles of pump Garry Thank you Garry. It is helpful and good to have. It does show the part number for the shaft seal I need. Unfortunately there doesn't seem to be any of those critters available. Trying now to determine type and size and maybe find a suitable substitute. Marv Share this post Link to post Share on other sites
6wheeler 669 #9 Posted May 10, 2021 16 hours ago, Marv said: Thank you Garry. It is helpful and good to have. It does show the part number for the shaft seal I need. Unfortunately there doesn't seem to be any of those critters available. Trying now to determine type and size and maybe find a suitable substitute. Marv If you have a part #? Napa is pretty good at crossing them. Share this post Link to post Share on other sites
Marv 984 #10 Posted May 10, 2021 3 hours ago, 6wheeler said: If you have a part #? Napa is pretty good at crossing them. Thanks. I didn't think of that. I am guessing the seal is a metric 10 x19 x7. That is the best measure I can get without removing the seal. The part number is 45 years old. If this 10 x 19 x7 doesn't work I will give NAPA a try. Marv Share this post Link to post Share on other sites
gwest_ca-(File Mod) 11,518 #11 Posted May 11, 2021 Let's see what this SKF link brings up http://www2.chicago-rawhide.com/popup_parts_lookup_457010.htm Gets you there but requires input. You can change the dimension to metric. Garry Share this post Link to post Share on other sites
