Before you vacuum, check the vacuum hose's connector or parts that make up good and tight. Otherwise, it may cause leakage of air. As a result, the performance of the machine decreases.
Before vacuuming should check the suction pipe joints or parts assembly that is secure or not. This may cause an air leak. Resulting in reduced machine performance.
Before vacuuming should check the joints of the suction tube or parts that assemble firmly. Otherwise, leakage of air. The efficiency of the machine, resulting in reduced .