Scuffed and painted remaining cabin covers. Did touch up paint in cockpit over new wing splice rivets, fan holes in glareshield and other spots. Received parts from Aircraft Spruce so riveted K1003 nutplate oin oil cooler tray then RTV'd and installed cooler inlet assembly. Put a pin on the pitot heat +12V line and installed it in Pin 4 of C400P. Pulled truck into shop and uninstalled Class III hitch for class IV upgrade. Worked at trimming aft edge of canopy, not done yet.