AIR HYDRAULIC PUMP
Jackco Transnational Inc. © 2012
South El Monte, CA
888-452-2526 www.jackco.com
INSTRUCTION
MODEL 840
Page 1: ...AIR HYDRAULIC PUMP Jackco Transnational Inc 2012 South El Monte CA 888 452 2526 www jackco com INSTRUCTION MODEL 840...
Page 2: ...fy the cylinder to attach a base or other support Avoid situations where loads are not directly centered on the cylinder plunger Off center loads produce considerable strain on cylinders and plungers...
Page 3: ...ylinder with plunger end down up if using pull cylinder Operate pump to fully extend the cylinder retract if using pull cylinder Depress release valve to retract cylinder extend if a pull cylinder Thi...
Page 4: ...ecommended JACKCO hydraulic oil with theses pumps to promote long pump life and protect your warranty Contact your JACKCO representative for more information on these products and their applications K...
Page 5: ...y a qualified hydraulic technician Cylinder advance but does not hold pressure 1 Leaking connection 2 Leaking seals 3 Internal leakage in pump 1 Check that all connections are tight and leak free 2 Lo...
Page 6: ...Model 840 Parts List...
Page 7: ...Steelball 3 16 1 M10 Spring 1 P10 Spring 1 P37 Spring Safety Valve 1 M11 Screw 1 P11 O ring 1 P38 Spring Safety 1 M12 Plug 1 P12 Check Valve 1 P39 Spring O ring 1 M13 Spring 1 P13 O ring 1 P40 Screw...
Page 8: ...nufacturer This warranty shall not apply to damage due to accident negligent use and lack of maintenance abuse or applications other than the specific function the equipment or tool is designed for No...