Hanson Hydraulics Ltd. Blog

Written for Hanson Hydraulics Ltd. Blog: Here is a not so easy “quick reseal only” hydraulic cylinder repair.  First step was using an industrial sized face spanner with 12′ of pipe, didn’t budge. Heated the barrel up around the gland, didn’t budge.

Next step, build a socket to fit the hydraulic wrench. Started with two sector [...]

Hanson Hydraulics Ltd. Blog article:
Start inspection with the rod.  Measure the cylinder rod diameter with a micrometer, checking over the entire length and at various spots around  the diameter. You’re looking for low spots. A low spot that you can’t see may exist from previous rod repairs.  Check the rod for pits, dents, dings, or [...]

Dissmantling and repairing  a Hitachi EX150 Bucket cylinder.
Hanson Hydraulics Ltd. Blog article:
Remove the flow tubes, grease fittings and pin wipers from the eyes
Strap the barrel down and put a bar through the barrel eye to prevent the barrel from turning. Match mark the gland to the barrel as the port in the gland must return [...]