| 摘要 |
PROBLEM TO BE SOLVED: To easily and also efficiently clean the inside of an air conditioning duct without polluting the inside of a car with duct, etc. SOLUTION: In this cleaning method, a vacuum duct 32 is connected to an air intake port 5 of the air conditioning duct after applying a sealing material C at an air blow-off port 6 of the air conditioning ducts 3a and 3b and the air in the air conditioning duct is sucked. Simultaneously, the dust sticking or remaining in the inside of the air conditioning duct is blown off by a high pressure air stream jetted from the tip part of an air jet nozzle or of a hose inserted into the air blow-off port 6 from which the sealing material C is removed while peeling the sealing material C from a place most separated from the air intake port 5 toward the air intake port 5. |
