When removing timing belt the 2 bolts and 1 nut just to the rear of the crankshaft were loose and the pulley and housing came off when the belt was removed. How do we time this shaft (oil pump and balancer?) when reinstalling it and the belt?

 

Check out the "How-To: Replace Timing Belt, Timing Balancer Belt and Water Pump on a F22B1" thread in the FAQ's

https://honda-tech.com/forums/honda-accord-1990-2002-2/how-replace-timing-belt-timing-balancer-belt-water-pump-f22b1-1908944/