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Champ cb-50s fork truck

Discussion in 'Forklifts/Telehandlers' started by bbaecht, Mar 12, 2020.

  1. bbaecht

    bbaecht Member

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    So I bought one in an auction. Got it home and got the engine running, and have questions. I've never owned/used one before, but have a need for it. My cb-50s has 3 floor pedals, one brake, one gas pedal, and one I would expect is a clutch. When I put it gear, and let out the clutch...nothing. I rev it up, and it will move. After driving it a bit last night, and not smelling hot clutch, trying to figure out the drive on this thing. Is it possible it has both a clutch and a torque converter? The pallet forks run right up the mast nicely. Will grease it up a bit. Anyone have any working knowledge of these fork trucks?
    Thanks!

    Bryant
     

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  2. crane operator

    crane operator Senior Member

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    I have a larger champ. (12,000lbs capacity- 20' tall mast). Mine has two levers to the right of the operators seat, one is a reverse/ Neutral/ forward lever, the other is a 4 speed. How does yours forward/ reverse?

    Mine is chrysler industrial engine, I think clark trans. Its built to last forever.
     
  3. tractormech

    tractormech Well-Known Member

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    Sounds like you have a torque converter or it would stall out instead of sit still till you rev it up. Look at the linkage on the clutch and you'll probably see it operating a valve instead of going to the flywheel housing
     
  4. bbaecht

    bbaecht Member

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  5. bbaecht

    bbaecht Member

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    "
    " - I'll pull the floor cover off and see what I can find out about it. I tried 3rd and 4th gears, and it didn't want to move. Guessing maybe a low fluid issue with the TC?
     
  6. tractormech

    tractormech Well-Known Member

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    Could be low fluid or the converter may be weak. Put it in 1st gear and get up against something solid and rev it up and see if it spins a tire. If it does the converter should be in good shape. You can see if it pulls off strong on level ground and sort of figure the condition that way. That thing is heavy and it may be stalling the converter trying to pull off in the higher gears.. The "clutch pedal" is probably an inching valve or dumps the converter.Definitely check the oil though. And realize that thing is heavy-it will like the low gears best. Run it around and get it hot and test again and see if it's noticeably weaker-that will tell you what shape the converter is in.
     
    bbaecht likes this.
  7. bbaecht

    bbaecht Member

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    Thanks for the pointers Tractormech! Will put them to use this weekend pending the weather!
     
  8. crane operator

    crane operator Senior Member

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    You would have to get up to speed in a lower gear, then make the shift to the upper gears. You won't be able to start from them.
     
  9. bbaecht

    bbaecht Member

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    Thanks Crane Operator! Learning more and more each day about this beast. When making the shift, do I just let off the gas and shift it?
     
  10. bbaecht

    bbaecht Member

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    Previous weekend muddy, so didn't make it up until this weekend. Did take the cover off. Here's a pic showing what you're asking about. It appears the pedal operates a valve on that manifold. I think you can see the linkage in the pic. So I started it up again this weekend, I got it to move at first, but then I operated the pedal as the engine was cutting out. And then I couldn't get it to move again. So guessing low on fluid...Is there a reservoir accessible for that TC? I also opened up the brake cylinder reservoir, and it was low. I'll take up my vac pump next trip, open the bleeders and get them primed.
     

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  11. tractormech

    tractormech Well-Known Member

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    Make sure the valve isn't sticking.
     
  12. bbaecht

    bbaecht Member

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    I did work the lever numerous times, and it seemed smooth in operation. Is there more to determining if the valve is sticking?
     
  13. tractormech

    tractormech Well-Known Member

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    make sure the spool is moving in and out