I've done it in 45 minutes...flat. Simply remove the hydraulic pump, and decouple the input shaft. There's a coupling that keeps the shaft from the clutch coupled to the transmission shaft. There are a couple bolts. (Drain any fluid if necessary from this housing at this time...shouldn't be much). Set a jack stand just behind the bell housing. (block both sides of the rear wheels) Remove the clutch linkage pins and spring and throttle linkage (5 minutes at the most). Remove the sight window where the linkage spring attaches. Disconnect the battery ground. Remove the bolts to the support frame where it connects to the bell housing. Remove the bolts from the bell housing. Put a couple of blocks of wood on either side between the piviot on the front axle to prevent it from rotating, right where the frame is over the pivot area. Put a rolling jack under the area behind the oil pan and in front of the bell housing, with a piece of wood crossing both support arms. Gently jack up until the unit starts to separate ever so slightly...then roll the unit apart, readjusting your jack as necessary. Change the clutch out...be sure you mark the pressure plate position though on the flywheel before you disconnect the pressure plate. Also keep in mind those extra holes on the pressure plate are used to compress the pressure plate while you install the new clutch so it makes it much easier to get it right. Take the input shaft that is still sticking in the transmission and stick it up into the clutch and into the pilot bearing (check the bearing condition while you are in there, and replace it if necessary...you can replace it by filling the hole full of grease and sticking a shaft roughly a little smaller than the diameter of the bearing into the hole and tapping it hard with a hammer. This should create hydraulic pressure to drive the bearing out.) Use the shaft to line things up with the clutch. Remove the compression bolts. Keep the shaft in as you slowly roll the unit back together. When it is reassembled, use the inspection hole to adjust the clutch fingers to be within 2 mm of the release bearing. All of them should be equal as it is rotated.
