threaded connection head

threaded connection head . Since the cylinder bore is internally threaded end easy on the seal damage , it must be processed when assembling a thin opening guide sleeve , with its fixed on the piston head , the piston inside the cylinder into a smooth , both to protect the seal pieces , but also improve the quality of assembly Generally : Just follow the above process seriously seals and  Hydraulic pipe fittings  cylinder assembly , you can make the hydraulic cylinder seal failure due to greatly reduce the frequency to ensure reliable operation of construction machinery .