CK25 and chipper

   / CK25 and chipper #1  

coasterez

Banned
Joined
Feb 8, 2006
Messages
551
Location
Sykesville, MD
Tractor
Kioti CK25, JD425 AWS
I bought a used Bush Hog CS-100p chipper/shredder yesterday for $600. It's in good condition. Doesn't appear to have seen much use. The guy estimated that he used it for about 58 hours. So, I think I got a pretty good deal. Though, I don't think the guy every greased it. The bearing zerks were prestine brass, with no grease residue at all. I would have liked one with a blower. But, don't really need it, and from what I read they can introducing clogging concerns that won't exist without it. I guess I'll just have to shovel or use the loader.

Anyway, checked it over real good and greased it up. Put it on the back of my CK25 and gave it a test run. What an awesome machine - a real work horse. The shredder works especially good. Chuck-n-duck as some have described it, and that's pretty accurate. Certainly don't hang on to the cuttings. The shredder is very very fast. The CK25 never hiccuped one minute while using it, and I did put some dry 4+" logs through the chipper. She never slowed down.

I do think the chipper blades need sharpening. I'm going to buy a new set and send the old set out to have them professionally sharpened on a computerized machine. Then I'll have two sets that I can cycle through sharpening. I was quoted $140 for a new set, which I think is outrageous for 4 3"x2" pieces of steel with only one cutting edge (these are not reversable). But, then they know you don't have much choice.

The rubber shield on the shredder hopper did tear up today while shredding. It looked perfect when I started. I'm not sure if I abused it, or whether it was just brittle from age. Does anyone have any input here? I was shredding almost all dry stuff. I left a fair number of side limbs on and the machine just ate them up. Did I tear up the shield by leaving the branches on? Is this normal? Anyway, I ordered some polyester reinforced SBR rubber from McMaster-Carr today and will use it to make a new shield. Cost will be $40. Hopefully it will last a while.

Question on powering up/down the shredder. I power it up by starting at about 1400 rpm, depressing the clutch, engaging the PTO, and releasing the clutch. I then bring it to PTO RPMs (2600). Is this the correct way? For power down, I reduce throttle to idle, depress the clutch, disengage the PTO, and release the clutch. The shredder takes about 3 minutes to come to a complete stop, a lot of momentum in there. Also, is this the correct way to do this to minimize belt/PTO wear? Neither tractor nor shredder seemed to complain using this method.

Now, if Kioti would get off their duffs on the loader fix, I'd be 100% satisfied with my CK25.
 
   / CK25 and chipper #2  
That PTO engagement procedure is the same one I use with my rotary cutter and also the same I was directed to use when operating one of the big tow behind chippers with its own engine. The clutch on your tractor will appreciate it too.
 
   / CK25 and chipper
  • Thread Starter
#3  
I thought I was doing it about as gentle as one good. I just wasn't sure about the free spinning of the PTO during spin down of the chipper.
 
   / CK25 and chipper #4  
I follow the same procedure for start up as you do. However, after I'm finished, I make sure the chipper is clear (I'm sure you can guess why:rolleyes:), slow the RPMs and just disengage the PTO. In other words, I don't depress the clutch. There's been a bit of discussion about this subject, and it's not necessary to use the clutch for disengaging.

The "free spin" after you disengage is normal and given the weight of the flywheel, it takes a longgg time to stop. My brush hog also seems to take forever to stop.
 
   / CK25 and chipper #5  
Ah yes, on the diengage I simply throttle back which unloads the PTO gears and almost immediately bump the PTO lever into neutral. It slides easily out of the ON position. The PTO shaft continues to spin of course but the guts of the tractor aren't spinning at the same time.
 

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