7 - 40 Genie S-80 & Genie S-85 Part No. 34032Service Manual - First EditionSection 7 - Repair Procedures11-1Hydraulic TankThe primary functions of the hydraulic tank are tocool, clean and deaerate the hydraulic fluid duringoperation. This tank has a 45 gallon (170 liter)capacity and an oil level gauge with a temperatureindicator. It utilizes internal suction strainers forthe pump supply lines and has an external returnline filter with a condition indicator.How to Remove theHydraulic TankComponent damage hazard.The work area and surfaceswhere this procedure will beperformed must be clean andfree of debris that could getinto the hydraulic system.1 Remove the fuel tank. See 11-2, How toRemove the Fuel Tank.2 Close the two hydraulic tank valves located atthe hydraulic tank.3 Completely drain the oil from the tank byremoving the drain plug located in thebottom of the tank.Burn hazard. Contact with hot oilmay cause severe burns.4 Disconnect the hydraulic hoses from the tank.5 Remove the mounting fasteners from thebottom of the tank.6 Use an appropriate lifting device to remove thetank from the machine.Always use pipe thread sealantwhen installing the drain plug.Use only Dexron II equivalenthydraulic fluid.Component damage hazard.Be sure to open the two hydraulictank valves and prime the pumpafter installing the hydraulic tank.How to Prime the Pump1 Connect a 0 to 600 psi (0 to 41 bar) pressuregauge to the test port on the drive pump.2 Gasoline/LPG models: Remove the hightension lead from the center of the ignition coil.Electrocution hazard.Contact with electrically chargedcircuits may cause death orserious injury. Remove all rings,watches and other jewelry.Deutz Diesel models: Hold the manual fuelshutoff valve counterclockwise to the CLOSEDposition.3 Crank the engine with the starter motor for15 seconds, wait 15 seconds, then crank theengine an additional 15 seconds or until thepressure reaches 320 psi (22 bar).Fuel and Hydraulic Tanksopen closed
