I strongly suggest that you down load the service manual
http://www.onlycubcadets.net/forum/s...ad.php?t=13226
and read the disassembly and repair procedures for the pump. One big area of caution is the removal of the roll pins that hold the trunnion shafts in the swash plate. It is not hard to do but if you screw it up you are in trouble. Make sure you keep everything CLEAN. Holler if you have questions.
