Mpempe osisi cylinder okpukpu abụọ: 1. 360 ogo hydraulic ntụgharị iji nye mmetụta nghota na-agbanwe agbanwe. 2. A na-ewu valvụ nguzozi na cylinder, nke na-arụ ọrụ nke ọma, na-eme ka ike chịkọta ma nwee nchekwa dị elu. 3. valvụ enyemaka nke ụzọ abụọ na valvụ nguzozi ụzọ abụọ iji zere mmetụta hydraulic na moto.