JOHN - Sounds like You may have SEVERAL clutch problems. Everything is all in the same location so once You have the clutch out the only problem is making sure You have the right repair parts. The engine has to be unbolted but You don't have to lift it out, just slide it forward.
Remove the four bolts from the underside of the frame, disconnect the PTO clutch linkage and set the lever in front that disengages the clutch forward against the grill. You may have to turn or remove the muffler to let the engine slide forward enough. No need to disconnect the throttle or choke cable, just side the engine forward until the three pins slide out of the friction disc of the clutch.
Remove the pin or bolt the throw-out lever pivots on, remove the adjusting nuts from the bottom of the throw-out lever and slide the lever off the end of the rod. Then the hard part is removing one of the roll pins from the back of the driveshaft so You can get the whole driveshaft & clutch assembly out of the tractor.
After You get the driveshaft and clutch out inspect the clutch parts closely. A teaser spring normally doesn't effect the way a clutch holds or engages EXCEPT to make it grab real hard all the time. It'll be like You "POP" the clutch all the time. The throw-out bearing is probably "not good" even if it isn't "bad".
I'd get both a teaser spring and throw-out bearing and hope Your clutch lever is O-K. When throw-out bearings get bad they do wear very hard on the driveshaft sometimes. If the holes in Your friction disc fit snuggly on the three pins on the drive plate on Your engine there's no need to replace it. And if You have to take Your clutch far enough apart You may want to slide some 5/8" ID flatwashers behind the big compression spring that pushes the clutch plate together, 1/4" tall stack would be enough for a 7 HP, makes You clutch less prone to slip.
Check the two steel clutch plates out closely. Make sure they're flat, no big grooves.
Your anti-rattle springs are problaby long gone, get three, and back a couple pages in this forum there's a pic showing they go on the three clutch driver pins before the engine with the pins slides rearward into the holes on the clutch friction disc. That's important if You want Your anti-rattle clips to stay on more than a couple seconds. The clutch works fine without them however. In fact, may actually work better, it just makes Your engine sound like it has a noisy rod bearing.
Any more questions just ask away.