Cleaning the Abrasive Hopper and Abrasive Hose
Occasionally, you will find that a piece of debris or a clog occurs somewhere within the
Abrasive Hose. Or worse yet, you had water backflow into your Abrasive Hose. This needs to be
cleared out in order to make sure WAZER is supplied with sufficient Abrasive to cut.
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Turn off WAZER.
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Pull the Abrasive Hopper out.
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Disconnect the vibration motor and pinch valve connectors which are located on the underside
of the Abrasive Hopper.
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Disconnect the Abrasive Hose from the Abrasive Hopper.
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Pull the Abrasive Hopper out of WAZER.
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Remove the top covers of the Abrasive Hopper.
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Dump the Abrasive out of the Abrasive Hopper and inspect it for any clumps (this will tell you if
water got into the Abrasive Hopper) or for pieces of debris that are not abrasive.
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Check the pickup fitting on the inside of the Abrasive Hopper for any Material that may have
gotten stuck. If you see anything remove it.
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Remove the rubber plug that is located on the bottom of the Abrasive Hopper.
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Wearing safety glasses, spray 10-15 psi of air into the opening of the pickup fitting on the inside
of the Abrasive Hopper while holding the Pinch Valve Button. This will clean out the hose.
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Hold the Pinch Valve Button and peer through the bottom of the Abrasive Hopper. Verify that it
is dry and clear of obstruction. Then insert the rubber plug back into the bottom of the Abrasive
Hopper.
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Wearing safety glasses is required when removeing the Abrasive Hose End
from the Nozzle and have someone hold it (pointing it at the Cut Bed). Spray 10-15 psi of air
into the Abrasive Hose that connects to the Abrasive Hopper for 15 seconds. DO NOT spray
more than 15 psi of air into the hose, as this can damage the hose and mechanism.
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Inspect that both ends of the Abrasive Hose are clear and insert them into their respective
places. Verify that both ends of the Abrasive Hose are dry and clear of obstruction.
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Place the Abrasive Hopper back into WAZER.
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Connect the Vibration Motor Connectors and Pinch Valve Connectors.
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Make sure to run Section 7: Maintenance > Maintenance Procedures > Abrasive Flow Rate Check
after cleaning to ensure that your Abrasive Flow Rate is still correctly set.
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