How to repair a hydraulic hose

Written by erica porter
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Hydraulic hoses are used to carry the fluid needed to power the hydraulic machinery they are connected to. If one of your hoses gets damaged or starts to wear down, it is imperative to repair it as quickly as possible to ensure your machinery doesn't sustain damage as well. The simplest way to repair a damaged hose is to replace it with a new one, which you can easily make yourself. This will save you time and money instead of having to call in a technician or buy new hoses.

Skill level:

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Things you need

  • Hydraulic hose
  • Measuring tape
  • Hydraulic hose fittings
  • Lubricant
  • Crimping machine

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  1. 1

    Roll out the length of new hose and measure it out with a measuring tape to the same measurement you want to replace.

  2. 2

    Hold the hose fittings right against the side of the hose at each end where they will be attached. Draw a line on the hose with a marker to where the fittings end.

  3. 3

    Pour lubricant into the fitting and turn it over to spread the lubricant around. You need to make sure the fitting is completely covered with lubricant on the inside.

  4. 4

    Push each end of the hose into the lubricated fittings. Keep pushing the hose into the fitting until the end of the fitting meets up with the lines you drew on the hose.

  5. 5

    Measure the size of the fitting and adjust the size control on the crimping machine. Insert one of the fitted ends of the hose through the underside of the crimper.

  6. 6

    Fit the crimping die cast over the teeth of the machine. The cast should rest right on the tips of the teeth.

  7. 7

    Turn the crimping machine on and allow the fittings to be compressed. Remove the hose once the machine is finished and crimp the other end in the same way.

  8. 8

    Switch out the damaged hose for the newly crimped one to repair the problem.

Tips and warnings

  • You can use the damaged hose and cut off the broken portions to make a new hose if the old hose is longer than you need.
  • Do not use a hydraulic hose with loose fittings as the pressure running through the hose can force the pieces apart.

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