Need help with my 210-5 .. Can't remember if blade bolts are reversed

[OldNoob]

Hi all a couple years ago i put new blades on my 210 with an impact.. but i cant remember if they were reverse threaded. I was trying to change the blades the other day with a wrench on the ground and i could not get the bolts to budge ether way.. guess i'm going to have to jack it up and get the impact back on it.. but before i try.. can anyone tell me if they are reverse threaded?
On a side note,,,, i only get a few mows out of the tensioner spring on the 38" deck before it wears through on the inside hook.. any suggestions on that?
Thanks in advance.

 

[ILENGINE]

Right hand discharge will have right handed thread bolts. So righty tighty, lefty loosey.