TM 5-3805-260-24HYDRAULIC PUMP(3G7640)Rotation is counterclockwise when seen from drive endType of pump: VaneFor test, use SAE 10W oil at 150'F (65°C).LARGE SECTION OF PUMP (Drive end) (Steering)Test at Full Speed:Output ...........................23.0 U.S. gpm (87.1 litre/min)at a pressure of ...... 100 psi (7 0 kg/cm2) (690 kPa)with pump at ........... 2000 rpmwith engine at ........ 2000 rpmOutput ........................... 20.4 U.S. gpm (77.2 litre/min)at a pressure of ..... 1000 psi (70 0 kg/cm2) (6900 kPa)with pump at .......... 2000 rpmwith engine at ........ 2000 rpmTest at Half SpeedOutput .......................... 11.3 U S gpm (42 8 litre/min)at a pressure of ..... 100 psi (7 0 kg/cm2) (690 kPa)with pump at ......... 1000 rpmwith engine at ........ 1000 rpmOutput ........................... 10.0 U S gpm (37.9 litre/min)at a pressure of ..... 1000 psi (70.0 kg/cm2) (6900 kPa)with pump at .......... 1000 rpmwith engine at ....... 1000 rpmSMALL SECTION OF PUMP (Cover end) (Implement)Test at Full Speed.Output .......................... 23 7 U S gpm (89.7 litre/mn)at a pressure of ...... 100 psi (7 0 kg/cm2) (690 kPa)with pump at ........... 2000 rpmwith engine at ....... 2000 rpmOutput ...........................23.0 U.S. gpm (87.1 litre/min)at a pressure of . .. 1000 psi (70 0 kg/cm2) (6900 kPa)with pump at .......... 2000 rpmwith engine at ....... 2000 rpmTest at Half Speed.Output .......................... 11.7 U S. gpm (44 3 litre/min)at a pressure of ..... 100 psi (7.0 kg/cm2) (690 kPa)with pump at .......... 1000 rpmwith engine at ........ 1000 rpmOutput ........................... 10.8 U S. gpm (40 9 litre/min)at a pressure of ..... 1000 psi (70 0 kg/cm2) (6900 kPa)with pump at .......... 1000 rpmwith engine at ........ 1000 rpm(1) Torque for four bolts ..... 45 5 lb.ft. (61 7 N m)(2) Torque for four bolts ..... 70 5 Ib.ft. (95 7 N m)1-54
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