2448 mower cluch disengages

my 2448 mower engages fine but after i mow with it for maybe 10 min. or so the clutch disengages.. wait a few min. and it will reengage when switch is off i can pull the switch and can hear the clutch working.. i have checked for loose wires, etc. etc, is there anythinfg else i could check?? thanks in advance Buck:confused2:

You may want to check the clearance between the clutch disks. You do it with a feeler gage. I can't remember what the clearance is. Your owners manual should have the directions. Atleast this where I would start.