How do you disconnect assembly deck from mower
Before you start doing anything around the deck area, remove the spark plug.
Depending on the model, it could be riveted or welded on. If you can't locate any bolts or screws it may not be able to be removed.
Yardman troubleshooting
I suggest that you should remove deck, turn upside down and place straight edge or tight string line over blades from outer edges of deck frame. Use the guide strips to get even measurement. Rotate blades and measure distance from straight edge to tips at both sides. they should be the same. If there is difference from one side to the other, either the blades are bent, or if each blade is same at each end but not aligned in centre (difference in height) then the spindles need packing to make them even. Check that bearings are not loose. If you do not understand this best to take it to service centre.
My yardman is out of alignment
If this is a zero turn as pictured then there is nothing wrong with you wheels unless they are not moving at all. They will correct as they hit ground and spin freely on uneven ground when not in contact. If it is stuck in one position then you may have a bad bearing and need a new wheel post.
Yardman snowblower won't self-propel
Do not start to do this but put the blower in gear like you would run to drive its self and try to turn the wheels by hand and if they turn easily then you may have a shear pin that is broken or missing in the drive pulley.
Just a thought.
Pto won't ingadge
If it is a cable PTO which operates from a handle there are two types I've worked on. one has not adjustment, the other has a spring which can be moved to compensate for streching of the mowing deck belt. If your mower has no adjustment than more tham likely it is the belt.
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