AbstractsEquipment design changes in this project due to the change of the filter valve is now water-canes. After the replacement of damaged valves and valves that can be used back then. Changing an employee's use of the device, as there is in the factory so there is no aid to mine force, so when the valve back. Result in valve damage and put the nuts, not all the. So it must be removed and then put back in which to work. That's why we've designed our group to aid in changing the valve. The result of the design and testing of apparatus by the people to change, only 2 people, then finish at 17.12 total minutes due of our devices can reduce the labor of the people, and can also be used to change the valve in a vertical position in another section. Keywords: buoys visualized
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