My power steering has started to leak and the cylinder packing. I ordered a rebuild kit, but one major problem is I have no idea how to rebuild the cylinder. I would take it to someone who knows what they are doing, but the nearest is many miles away. My question is there a video or instructions someplace that would lead me through the process? My tractor is a zetor 3320 that is about 18 years old, but still runs great. Just can't work more that 20 minutes without refilling the fluid in the power steering. Thanks for any help .