VEVOR HCPPQ-001 Bedienungsanleitung Seite 7

B.How to tinker with bumper balls？
1. Cleaning and drying repair place,
2. Remove the patch (trim to a verified size)
3. Apply PVC glue to the patch and paste it to the leak area
4. Blow the patch with a hair dryer to speed up the glue drying
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