JD 4400 Mid PTO not staying engaged

   / JD 4400 Mid PTO not staying engaged #1  

Pacat

New member
Joined
Dec 13, 2004
Messages
9
I have a 4 year old JD 4400 worked fine last summer with the mid mount mower. Back in october I remove the mower and installed the front mount snowblower. We just got 12" of snow today and went to use the snowblower. Shortly after I began to use the blower the lever that controls the front/rear PTO (not the on/off lever) started to slip down untill a chattering sound was made. It would work fine if I keep pulling up on the lever. It just doesn't want to stay up. Any Ideas?
 
   / JD 4400 Mid PTO not staying engaged #2  
Climb underneath and start looking for anything loose.
There's a fair amount of vibration...I'm sure one of the nuts may have backed off a bolt.
 
   / JD 4400 Mid PTO not staying engaged #3  
Welcome to the forum. Hope we can help.
</font><font color="blue" class="small">(
I have a 4 year old JD 4400 worked fine last summer with the mid mount mower. Back in october I remove the mower and installed the front mount snowblower. We just got 12" of snow today and went to use the snowblower. Shortly after I began to use the blower the lever that controls the front/rear PTO (not the on/off lever) started to slip down untill a chattering sound was made. It would work fine if I keep pulling up on the lever. It just doesn't want to stay up. Any Ideas? )</font>

Your description doesn't match what I think you have. There is an engage-disengage lever that operates the clutch of the PTO (then there is an on-off electric switch like a button to pull up to engage the mid-PTO which can only be engaged after the rear PTO clutch has been engaged). So one is a button and the other is a lever. Now to engage the clutch to the rear PTO, I think one pushes the lever forward to engage, and pulls rearward to dis-engage. Seems like to me you would have to be pushing forward to keep it engaged, not pulling up.
Regardless of my confusion with your description, it sounds like your clutch to the PTO is not functioning right and needs to be serviced.
 
   / JD 4400 Mid PTO not staying engaged
  • Thread Starter
#4  
No, I have a 4400 not a 4410e. The newer JD (the 4410e's) have a off/on switch vs. my manual lever to control the engagement of the mid-PTO. It is a small round yellow lever on the right hand side. When it's in the down position only the rear PTO will rotate, but when I pull it to the up position both the front and rear PTO's rotate. My problem is that when I pull it up (so I can have the front PTO working) it will stay up for a couple of minutes and then slowly start to slip down. It will not stay up unless I hold up with my hand.
 
   / JD 4400 Mid PTO not staying engaged #5  
We're talking the same, as I have. The round yellow knob for the mid PTO (you call a lever, and I called a switch which it isn't in an electrical sense), needs to be engaged before the rear PTO 'lever' is engaged (pushed forward). This knob (lets call it that to avoid the confusion for the moment) is either down (off) or up (on). This knob is only to be activated (moved to on) when the PTO is dis-engaged otherwise the gears will grind. If this procedure has been comprimised, there may be internal gear damage that needs to be repaired. This knob is not activating a clutch, and it must have the gears stopped to engage them.
The rear PTO 'lever' (again, lets call it that for discussion) is for the engagement of the PTO clutch and engages the PTO drive train when 'pushed' forward, and dis-engages the clutch when 'pulled' rearward. This engagement causes the MidPTO to run if the gears are already engaged from the 'knob' being pulled up. Both the rear PTO and the mid PTO operate at the same time.
I think if you get the sequence right, and the combinations figured out, you may not have a problem (unless damage has been done to the mid PTO gears).
 

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