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The Air Clamp has begun to leak and needs replacement.

View file
nameAirClampReplacement8500800050002024AirClampReplacement-AirClampRails2024-0205-2123.pdf

Removing the Air Clamp

Removal: CMC 8500, 8000 and 5000

Info

  • When an Air Clamp blows/leaks on the CMC 5000, 8000 and 8500, it needs to be replaced.

  • Determine which Clamp has blown.

    • If necessary, run a large mat without the Blade in the Blade Cartridge (Blade Cartridge must still be inserted in Head) and listen for air escaping.

  • Turn off the air supply.

  • Move the Gantry to the right until it moves no further. Determine which Clamp is leaking.

  • Remove the appropriate Clamp mounting screws with an Allen wrench.

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  • Loosen the 7/64” Allen Screw holding the Air Clamp, and gently lift the Vertical/Horizontal Clamp to view the small air hose fitting.

  • Lift fitting from its groove and disconnect it by unscrewing the two halves.

    • Note that the CMC 5000 air fitting is straight, and the CMC 8000/8500

    is

    • has an elbow fitting.

    • On later machines, simply pull the two hoses apart.

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  • Lay the Vertical/Horizontal Clamp upside down to look at its construction.

  • Loosen the two Allen screws at each end of the rubber tube until you can pull the Air Clamp out.

  • The Air Clamp has been removed.

Air Clamp Replacement

  • Place the metal end of the Air Clamp (side without hose) into the slot closest to the end of clamp bar.

  • Push the metal end firmly into clamp bar and tighten the Allen screw.

  • Each Allen screw should have two washers and should be tightened against the flat side of the metal crimp.

  • Grasp the other side of the Air Clamp and stretch until the other metal ring can be inserted into its slot.

  • Push the metal ring into clamp bar and tighten the Allen screw.

  • Each Allen screw should have two washers and should be tightened against the flat side of the metal crimp.

  • While holding the Vertical/Horizontal Clamp near its mounting position, attach the air fitting and lead the air fitting to its pocket.

    • Note that the CMC 5000 air fitting is straight, and the CMC 8000/8500 is an elbow fitting.

  • Slip the fitting into its pocket as the clamp is being turned over into its mounting position.

  • Align the mounting holes and screw the Vertical/Horizontal Clamp back onto the CMC by tightening the two outside screws first, then the inside screws to ensure that the Rail is level.

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