HEAD-CYLINDER 1W0556 - Caterpillar

7J881 PumpRotation is clockwise when seen from drive end.Type of pump: vaneFor test use SAE 10W oil at 150° F (65° C).LARGE PUMP SECTION (SHAFT END) Output ... 78.0 U.S. gpm(295,2 lit/min) with pump at ... 2000 rpmwith engine at ... 2000 rpmat a pressure of ... 1000 psi(70,3 kg/cm2)Output ... 82.0 U.S. gpm(310,4 lit/min) with pump at ... 2000 rpmwith engine at ... 2000 rpmat a pressure of ... 100 psi(7,0 kg/cm2)SMALL PUMP SECTION Output ... 17.9 U.S. gpm(67,8 lit/min) with pump at ... 2000 rpmwith engine at ... 2000 rpmat a pressure of ... 1000 psi(70,3 kg/cm2)Output ... 18.8 U.S. gpm(71,2 lit/min) with pump at ... 2000 rpmwith engine at ... 2000 rpmat a pressure of ... 100 psi(7,0 kg/cm2)(1) Torque for the bolts ... 265 10 lb. ft.(36,6 1,4 mkg)(2) Torque for the bolts ... 45 5 lb. ft.(6,2 0,7 mkg)