Nordson HORIZON 200 Product Manual

Contents

Repair7-10Part 106913−04 2018 Nordson CorporationVibratory Sieve Repair1. Open the feed hopper lid. Reach inside the hopper and disconnect thesieve ground wire.2. Remove the bolts and washers from the hopper cover.3. Lift the cover (with the accumulator and sieve attached) off the hopper.Block up the cover to prevent damage to the screen assembly on theunderside.4. Unfasten the two toggle clamps and remove the screen basket. Discardany scrap powder and vacuum out the basket. If the basket isdamaged, replace it. If no further disassembly of the sieve is necessary,reattach the basket and disregard steps 5 through 7.5. To remove the air motor, disconnect the two air lines. Remove the boltand spacer.6. Remove the accumulator from the sieve and disassemble the rest of thesieve. Note the position of the screws, washers, nuts, rubber grommetsor washers, and gaskets.7. Clean powder residue from the accumulator and sieve parts.8. Assemble the sieve and install it on the hopper. Cap any unusedaccumulator inlet tubes.Pulse Valve ReplacementThe pulse valves connect directly to the air manifold. To avoid connectingthe valves to the wrong solenoids, remove and replace one valve at a time.Incorrect connections will cause the valves to open in the wrong order.WARNING: Before performing the following procedure, shut off the systemcompressed-air supply and relieve the system air pressure. Shut offelectrical power at the system electrical panel. Lock and tag the disconnectswitch.1. Remove the color module from under the base as described in theReclaim-to-Reclaim Color Change procedure in the Operation section.2. See Figure 7-5. Disconnect the pilot air tubing (6) from the pulse-valvetube fitting (5).3. Unscrew the pulse valve (7) from the manifold nipple.4. Remove the tube fitting and nozzle (8) from the old valve. Wrap PTFEtape around the threads of the tube fitting and nozzle. Install the fittingand nozzle into the new valve.