DPD-3 Thermal Conduction Vacuum Dryer
	Issues > Check/Troubleshooting

		Material clog occuring in the primary convey hose (decline of conveying).
		Line filter is clogged. Filter in Primary Convey Suction Hopper is clogged. Secondary Adjustment Ring in the Convey-side Suction Nozzle is clogged. Air leak at convey route.

	1. Line filter is clogged. If the filter is clogged, suction pressure will decline and weaken conveying. Check the condition of the line filter. Clean the line filter. [Point] Replace the cartridge filter if it is worn badly and if particles cannot be removed after cleaning. If problem persists Return to top of the page
	2. Filter in Primary Convey Suction Hopper is clogged. If the filter is clogged, suction pressure will decline and weaken conveying. Check the condition of the line filter. Clean the filter. [Point] While cleaning, use extra caution to keep the filter from deforming. If problem persists Return to top of the page
	3. Secondary Adjustment Ring in Convey-side Suction Nozzle is clogged. Conveying strength will weaken since air suction rate in hose will decline. Check the condition of the suction inlet (wire mesh sec.) on the secondary air adjusting ring. Clean the vacuum inlet. If problem persists Return to top of the page
	4. Air leak at convey route. Vacuum pressure and conveying abilities will decline if there is an air leak. Inspect the material hose, vacuum hose and primary convey suction hopper. Repair the air leak. Replace the packing or the hose if either is badly worn or damaged. If problem persists Return to top of the page

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