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Hydraulic hoses, couplings and other parts of hydraulic systems should always be installed following these guidelines. When installing hoses, leave a little extra length to allow for changes in length that result when pressure is applied. Extra length will also allow for movement or flexing of parts that the hose is connected to. Use clamps or other devices to secure hoses so that they don't rub against machine parts or aren't whipped around by machine vibrations or motion. Avoid using hoses that are unnecessarily long and may flail during normal operation. Never create extreme bends when installing a hose. Use angled adapters when needed. Do not twist hoses and keep hoses away from sharp surfaces, extreme temperatures or chemicals whenever possible. Use armors, guards or sleeves to protect the hoses as needed.