CHAIN 3B2445 - Caterpillar

Section View Through Pump Gears (Typical Example)
Section View Through Bypass Valve(1) Distance between outside face of gear and joint face of body ... 43.00 0.25 mm (1.693 .010 in)(2) Length of gears ... 30.000 0.025 mm (1.1811 .0010 in) Depth of bores for gears ... 30.13 0.02 mm (1.186 .001 in)(3) Diameter of gear shafts ... 15.600 0.005 mm (.6142 .0002 in) Bores in pump bodies for gear shafts ... 15.641 0.008 mm (.6158 .0003 in)(4) 105-1805 Spring for relief valve: Outside diameter ... 13 mm (.51 in)Free length ... 61.00 mm (2.402 in)Assembled length ... 54.5 mm (2.15 in)Load at assembled length ... 38.5 1.9 N (8.7 .4 lb)(5) Relief valve plunger: Diameter of plunger ... 17.000 0.013 mm (.6693 .0005 in)Bore in pump body for plunger ... 17.100 0.025 mm (.6732 .0010 in)