Series 610 all terrain forklift

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   I have my forklift up and running with the hydraulics working! Thanks to the help on this forum. I had asked a couple questions previously and got some good direction thanks to the folks here.    

Looks like one last problem.  The reverse seems to work with the shuttle clutch, in all the gears. the tractor moves with letting the clutch out, and pulling the hand lever back.  There does not seem to be a neutral with the hand lever, like the machine is stuck in reverse.  

If I push the lever forward, and let the clutch out, the tractor seems to sense severe resistance, like you are pushing against a wall, and it dies from the resistance to moving forward.  Something is wrong with the shuttle clutch, I think. It sat for a long time with the inspection cover open...  

I am not sure how to explain it any better.     

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edognight Members Profile Send Private Message Find Members Posts Add to Buddy List Bronze Level Joined: 17 Nov 2024 Location: SC Points: 25	Post Options Post Reply Quote edognight Report Post Thanks(0) Quote Reply Topic: Series 610 all terrain forklift Posted: 16 hours 47 minutes ago at 7:05am
	I have my forklift up and running with the hydraulics working! Thanks to the help on this forum. I had asked a couple questions previously and got some good direction thanks to the folks here. Looks like one last problem. The reverse seems to work with the shuttle clutch, in all the gears. the tractor moves with letting the clutch out, and pulling the hand lever back. There does not seem to be a neutral with the hand lever, like the machine is stuck in reverse. If I push the lever forward, and let the clutch out, the tractor seems to sense severe resistance, like you are pushing against a wall, and it dies from the resistance to moving forward. Something is wrong with the shuttle clutch, I think. It sat for a long time with the inspection cover open... I am not sure how to explain it any better.

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edognight Members Profile Send Private Message Find Members Posts Add to Buddy List Bronze Level Joined: 17 Nov 2024 Location: SC Points: 25	Post Options Post Reply Quote edognight Report Post Thanks(0) Quote Reply Posted: 15 hours 12 minutes ago at 8:40am
	I forgot to mention the forklift is based on a d15 tractor and the forward and reverse are opposite on this model because the seat is backwards to face the big wheels and forks. I understand some tractors came with the shuttle clutch. In tractor terms, it is stuck in drive and won't reverse.

RedHeeler79 Members Profile Send Private Message Find Members Posts Add to Buddy List Bronze Level Joined: 09 Sep 2023 Location: NE Kansas Points: 191	Post Options Post Reply Quote RedHeeler79 Report Post Thanks(0) Quote Reply Posted: 2 hours 46 minutes ago at 9:06pm
	As I understand it, the clutch itself is no different than a standard power director in a D15. The shuttle (forward-reverse) function is achieved by additional idler gear in the torque tube ahead of the clutch compartment, which makes the shaft turn in reverse rotation when it’s in the respective position. It sounds like one side of the hand clutch is stuck. That would make it try to drive in both directions when in forward position, killing the engine. Also likely explains the “no neutral” condition. The clutch was probably engaged in the reverse position while it sat for a long time with the clutch inspection cover removed, causing the plates to stick (seems plausible if the oil was drained and the cavity exposed to the elements for an extended amount of time). I would remove the cover and see if you can gently unstick the plates with a pocket screwdriver or similar tool with the lever in neutral, or opposite of the “stuck” position. Should be pretty obvious once you take a close look at the clutch. Hopefully it won’t require a teardown and replacement of the clutch plates. I have an I-600 forklift that needs the shuttle clutch plates replaced. Looks like an extra fun job due to the full length outer frame of forklift. Keep us posted on your findings.