Remove the rubber coat of oil on the plug Guangxi hydraulic jacks, consider cleaning after injection by hydraulic oil to the piston port so far. 4: use N15 machine oil on 5-45 at zero degrees Celsius temperature range (GB443-84), as at the time of minus 5-29 degrees Celsius temperature range is replaced with synthetic spindle oil (GB442-64). Note 1: Do not overload to use 2: jack only on a hard, level surface using hydraulic jacks Shandong, prohibiting several jacks with 3: After the heavy lifting, the weight should be supported by brackets before repair Operation 4: Do not attempt to disassemble the jack, so as to avoid dangerous Guangdong function failure or hydraulic jacks | hydraulic jacks | Texas aerospace hydraulic provided by Dezhou City aerospace hydraulic machinery plant. Dezhou City aerospace hydraulic machinery plant (www.sdhtyeya.com) strong, credible, in Dezhou hydraulic equipment industry has accumulated a large number of loyal customers. The company better work attitude and constantly improving innovative ideas will lead the Texas Aerospace Hydraulic and you hand into the brilliant, for a better future!