Just like any other part of a machine, hydraulic lines acquire some serious wear and tear over the life of your motor. Whenever the lines begin to crease, kink, break or leak, it's easier to replace them instead of repairing them. Replacing hydraulic lines is relatively easy, so roll up your sleeves and get to work.
Drain all hydraulic fluid reservoirs that lead to the particular hydraulic hoses you are planning to replace.
Loosen each of the hose clamps on the hydraulic lines you need to replace, placing some kind of bucket or container beneath the lines to catch any residual fluid.
Unscrew each of the hose clamps completely once the fluid has drained.
Loosen the hydraulic fittings that attach the hose to the reservoir. This may cause more trapped fluid to leak from the hose. Allow this to drain completely before removing the hose.
Remove any bolts and washers that may be attaching the hose to a flange block at the side of the reservoir tank. If your hydraulic hoses are not attached to a flange block, this step may be unnecessary.
Cut any nylon-hose ties that may hold the hydraulic hose to the structure of the pump.
Remove any hydraulic fittings that may be used on hose extensions or T fittings.
Pull the hydraulic lines away from the reservoir. Avoid spilling any remaining fluid from inside the hose.
Cover the hose-fitting holes with the plugs while you work with the hydraulic lines. This will keep any debris or stray insects from entering the pistons and reeking havoc on your hydraulic pumps.
Secure the hoses with U clamps. Use nylon ties to keep the hoses out of the way of any moving parts if necessary.
Refill the fluid reservoirs slowly, checking for leaks as you go.
Fit each of the new hydraulic lines onto its proper housing.
