UNIVERSAL JOINT GP 3978064 - Caterpillar

Illustration 1 g00369992
(1) Pump cover assembly and seal (2) Pump body Clearance between pump cover assembly and top of gears ... 0.022 to 0.048 mm (0.0009 to 0.0019 inch)Note: The shaft assembly must rotate freely after the cover's bolts are tight. (3) 6N-1069 Spring (for relief valve) Length under test force ... 33.96 mm (1.337 inch) Test force ... 26 1 N (5.9 0.3 lb) Free length after test ... 53.52 mm (2.107 inch) Outside diameter ... 10.31 mm (0.406 inch)Pressure of fuel to open bypass valve ... 690 + 110 - 0 kPa (100 + 16 - 0 psi)Fuel flow requirements at 1725 pump rpm: Minimum ... 5.3 L/min (1.4 US gpm)Fuel flow requirements with fuel inlet's temperature at 40 °C (104 °F): Back pressure ... 414 kPa (60 psi) (4) Nut for 6N-1069 Spring Torque for nut ... 37 4 N m (27 3 lb ft) (5) Nut Torque for nut ... 30 7 N m (22 5 lb ft)