Through the hole
I had same problem fitting two new clutches to my H33 2004.I had no luck fiddling with the headliner as Mike suggests, so I removed the two light fittings which reveal a hole just lage enough to get your hand through and manouver a nut, washer and wrench. You need someone up top to screw it down while the other works the wrench. Two points to make:1. If I was doing it again I would tap a hole through the backing plate instead of just drilling and 2. I Would have bought the add on spinlock kit to enable a neater quadruple clutch assembly rather than the separate clutch.Having said that my system works very well, to Port I have the Headsail halyard, reef I foot tension, reef 2 foot tension (got rid of single line reefing) and kicker control; to Starboard, reef 1 luff, reef 2 luff, Main sheet and Main halyard.My next challenge is how to set up the cruising shute controls! Any ideas?