Hot melt adhesive coating machine does not produce glue troubleshooting method (5).

If it is an old Hot melt adhesive coating machine  machine, it may be that the gear pump gear has been worn, take out the whole set of gear pumps, and then remove the fixing screws of the gear combination, take out the pinion and external gear, replace it with a new set of gears, and then install the gear pump back and fix it properly; At this time, please pay attention to the installation orientation of the gear, if the installation orientation is reversed, there will be no glue. To disassemble the gear pump, be sure to have a technician understand the structure of the gear pump in detail before disassembling it. 

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