It can be turned no problem with the crank bolt. Don't use air tools to put it in, if you have it removed. The engine turns clockwise from the front. Same direction as tightening. Closely line it up to TDC before removing the harmonic balancer. It can be lined up after the harmonic balancer and timing cover is removed, if the crank moved when you removed the harmonic balancer. Make sure the mark on the crank sprocket and the marks on the cam gears are lined up, before removing the belt.
Once you get it to your TDC mark, use a hammer to tap on the ratchet handle, when you want to losen and remove the bolt. Or use an air impact to remove it (preferable). It'll stay at TDC this way. It's also alot easier to hit perfect TDC with the spark plugs removed (very least, cylinder 1). Keeps cylinder compression from passing the mark.
Start routing the timing belt from the bottom crank sprocket and work counter clockwise, keeping it taunt. Once you tighten the tensioner, hand roll it with that crank bolt and a ratchet socket combo. You want at least two full revolutions of the cam gears. This translates to four turns of the crank. Hand roll it back to TDC and check your marks again. If all good,put timing cover back on. If not losen tensioner and retry.
Might want to replace that tensioner too.
Remember when removing the water pump there is a water tube that will stay. It goes under the intake manifold and exits at the rear of the engine. You'll need to work the water pump off it, don't forget to replace the o-ring, supplied with the new water pump. Make sure to lube it before trying to install the water pump. If that o-ring rips, you'll be doing it all over again and won't know until you fill it with antifreeze.