Question about Poulan 42-Inch Steel Deck 17.5 HP Briggs & Stratton I/C Engine With 6 Speed

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When I engage the mower blades it makes a nasty noise, like a bad bearing. I checked the brakes, belts, etc and all is well. Any thoughts?

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Hi there mrswp211

check out the pulleys from the pto to the deck for noise - if rumbly / noisy replace them , if not
remove pto to deck belt ( make note of belt routing 1st ) then rotate blades and spindles by hand give a good spin you should hear if noisy , grab blades and try to move them fore/ aft to see have movement if they do and they are not smooth and quite spindle bearings are the problem

generally if unit is noisy only when deck engaged bearings will cause this

but make sure pulleys on the top of eack spindle good to and everything is tight
a badly slipping vee belt will make a squeeling noise and somtimes will make the unit shudder

you will have to remove deck to replace bearing(s) , from experience replace mandrell/ spindle assys do both at same time because if one has gone the other wont be far behind - both do same milage and work and quite often if replace bearings only they dont go back in tight .

cheers hope it helps

pauly46

Posted on May 30, 2011

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