Husqvarna Riding Lawn Mower 46 Cut Kohler Yth21k46 - Answered Questions & Fixed issues
Blades will not engage
when you actuate the "engage blade" lever, two things may occur,
First, a mechanical action, a spring moves to put tension onto the belt.
Second; at the end of its run, actuate a switch (PTF switch) to engage the clutch that moves the pulleys that consequentially move the blades.
if the tensioner is not moving , check if spring has come lose, undone or broken, (more likely in your case) or check the PTF switch.
any other assistance, contact me, good luck. If you need further help, reach me via phone at
https://www.6ya.com/expert/gerardo_79638d1eac6a0a1f
Wherem is the transmission
the back were the rear wheels are you need to check the fluid or just go ahead and chang hdrostatic fluid and filter best thing to do
I replaed the blade drive mandrel and reattacheed the blade and the blade does not freelyturn t is so bound up tht I cannot turnit manually
okay check see if brakes is on the mower, not the tractor but the blades of the mower deck if not then take belt off of the new mandrel side and try turning blade by hand. should turn freely if not mandrel is bad but unlikely. sounds like you changed wrong side mandrel I presume you have 2 blades and mandrels. or when you installed it back on. the belt may be bound up between a guide and pulley just kind of look things over before a tear apart. and then do your tear apart one step at a time then check blade to see if it turns does not seem serious you may have put belt on wrong, I have done it my self. hope this helps major note do not do this with engine running cut you hand off in a flash.
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