LINK-MASTER 7T4177 - Caterpillar

Illustration 1 g00771094
Type of pump: Variable Displacement Piston PumpWhen you test, use oil that is at the temperature of 65°C (150°F). Maximum system pressure ... 21000 kPa (3045 psi) Margin pressure ... 1720 kPa (250 psi) Maximum standby pressure ... 2027 kPa (294 psi)Test at 2200 RPM Pump Speed Output ... 97 L/min (25.5 US gpm) Pressure ... 1700 kPa (247 psi) Engine speed ... 2088 rpm Output ... 95 L/min (25 US gpm) Pressure ... 6900 kPa (1000 psi) Engine speed ... 2088 rpmTest at 1100 RPM Pump Speed Output ... 48.5 L/min (13 US gpm) Pressure ... 1700 kPa (247 psi) Engine speed ... 1044 rpm Output ... 47.5 L/min (12.5 US gpm) Pressure ... 6900 kPa (1000 psi) Engine speed ... 1044 rpm (1) Torque for four bolts ... 100 20 N m (74 15 lb ft) (2) 127-9490 Spring Length under test force ... 30 mm (1.181 inch) Test force ... 177.7 N (39.95 lb) Free length after test ... 55 mm (2.165 inch) Outside diameter ... 23.3 mm (0.9173 inch) (3) Torque for plug ... 90 15 N m (66 11 lb ft) (4) 168-7941 Spring Length under test force ... 37.2 mm (1.4646 inch) Test force ... 668.4 25 N m (493 18.5 lb ft) Free length after test ... 71.56 mm (2.817 inch) Outside diameter ... 36.95 mm (1.4547 inch)