Start it up cold dead head cylinder on hydralics see if it gets hot where piston is
Or fully extend it pull head line and cap it see if oil keeps running out when you dead heap again if oil keeps shooting out
Don't cap cylinder just line
you have to take out three gears or one with wider opening then there are lock rings on top of stub axle knock the off
Then if your lucky it will let you pry off if not you have to press it off sometimes heat the housing to get it off
Mf makes a tool threaded shaft and tapered nut to pull them...
3241F102 injection pump came off a MF 50ex will fit other models also. Was working Great when I took it off. unit was salvaged
Make me an offer plus you pay for shipping live in Southern California
I helped FLEXXAIRE with dimensions on the kubota m5 and a wacker neuson
St40 great people to work with and listen to all Input their fans are flawless have over 2900 hours on both m5 and wacker has 1200 have a self timer set
For every twenty minutes which can be changed also have manual switch...
I have installed and repaired quite a few FLEXXAIRE fans they work really well you still need to do a good clean out once in awhile but will keep you in the seat
They can run off hydraulic or air I plumbed all mine to hydraulics only takes 200 to 300 psi to switch plus it comes with a valve so...