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noisy 60 quot mmm on bx2200

rossco Join Date: Jul 2003 Posts: 42 South Texas

2004-03-26          81276

I have a new mmm on my BX2200. The deck doesn't sound as smooth as I expected from brand new. Also the belt seems to have quite a bit of slop in it on the back side where the long run is. Is this normal or does it need some adjustment. I haven't heard another one running, so I don't have anything to compare to. It really makes a nice cut though.


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noisy 60 quot mmm on bx2200

lschultz Join Date: Jul 2003 Posts: 14 Cisten,Tx

2004-03-27          81297

I got a 54" mmm on my BX1800 and it runs very quite,the belt is tight.I guess I have about 150 hrs on the BX1800.
Have you lubed the u-joints or the other grease zerks?I lube mind every time I cut grass with it. You could just have a defective belt or a weak spring on the tensioner. And your right they do cut good and fast. ....

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noisy 60 quot mmm on bx2200

rossco Join Date: Jul 2003 Posts: 42 South Texas

2004-03-27          81313

I haven't double checked anything since getting it from the dealership. I do know they greased everything from the grease left on the zerks. I guess I need to get the manual out and make sure the belt has the right tension on it. It does seem to be a little smoother the more RPM you run. Maybe that's my problem. I just hate to run max when it cuts good for the speed I'm going. Thanks for the response.
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noisy 60 quot mmm on bx2200

jarndt Join Date: Dec 2003 Posts: 351 Northern Virginia   Pics

2004-03-29          81458

I was told by my dealer to run at full throttle when using a MMM on a BX. I engage the PTO at about 1/3 throttle and then slowly bring it all the way up. The deck shakes a little when the PTO engages, but then it runs very smooth as soon as the engine recovers. There are 7 lube points on the 54" deck. The 60" deck on the 18 & 22 is a little different, so you might want to check, but it never hurts to add grease. A little noise from the geartrain and spindles is normal, but vibration is bad. If you have vibration, sharpen and balance the blades. ....

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noisy 60 quot mmm on bx2200

lschultz Join Date: Jul 2003 Posts: 14 Cisten,Tx

2004-03-29          81464

On my BX 1800 I cut grass at 2800-3000 rpms which is about 3/4 throttle.I engage the pto at idle just like I do on my big tractor.It is enough of a shock at idle. I don't want to engage it at higher rpm. ....

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noisy 60 quot mmm on bx2200

rossco Join Date: Jul 2003 Posts: 42 South Texas

2004-03-29          81476

Thanks for the responses. I mowed with it yesterday and increased my throttle to maybe 3/4. It ran smoother than at lower RPM. At a lower RPM, the belt on its route accross the backside of the deck seems sloppy. Maybe at the lower RPM's it does this. I was concerned because I could see where it has been rubbing on the studs or guides along this section. It really does torq over when you kick the pto in.
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noisy 60 quot mmm on bx2200

Art White Join Date: Jan 2000 Posts: 6898 Waterville New York   Pics

2004-04-01          81827

You definitely have been mowing at to low of an RPM. The book says full throttle but anywheres from 3/4 up is normally fine. ....

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