whoever wrote the top answer is an idiot...
all you do is unhook the tension spring (vice grip and some brute force) remove the old belt, install the new one and rehook the tensioner spring - it's a 5 minute job laying on the ground in my lawn where the old belt gave out - why anyone would disassemble most of the machine and make it take hours is beyond me (I didn't remove as many parts as the "top answer" says when I did the engine swap on mine)
To replace the drive belt on an Ariens snowblower, first, ensure the machine is turned off and disconnected from the power source. Remove the outer cover by unscrewing it, then take off the old belt by releasing the tension and sliding it off the pulleys. Install the new belt by threading it around the pulleys and ensuring it's properly seated. Finally, reassemble the cover and test the snowblower to ensure the belt is functioning correctly.
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