BOLT 8C3151 - Caterpillar

Illustration 1 g01347093
(A) Clearance between the gear and the body of the pump ... 0.05 to 0.66 mm (0.002 to 0.026 inch) (B) Bore in the sleeve bearing of the idler gear shaft ... 28.600 0.048 mm (1.1260 0.0019 inch)Diameter of the idler gear shaft ... 28.512 0.013 mm (1.1225 0.0005 inch)Clearance between the sleeve bearing and the idler gear shaft ... 0.028 to 0.150 mm (0.0011 to 0.0059 inch) (C) Length of the gears ... 50.808 0.025 mm (2.0003 0.0010 inch)Clearance between the end of the gears and the pump body ... 0.081 to 0.173 mm (0.0032 to 0.0068 inch) (D) Length of the gears ... 38.070 0.025 mm (1.4988 0.0010 inch)Clearance between the end of the gears and the pump body ... 0.081 to 0.173 mm (0.0032 to 0.0068 inch) (1) Diameter of the shafts for the pump ... 22.217 0.005 mm (0.8747 0.0002 inch)Bore in the bearings for the shafts ... 22.289 0.025 mm (0.8775 0.0010 inch) (2) Tighten the bolt that holds the drive gear to the drive shaft to the standard torque.
Illustration 2 g01347106
(E) Position of the bearing junction from the centerline through the bearing bores ... 30 15 degreesNote: Install the bearings in the cover and in the body for the oil pump so that the bearing joints are in the proper position, as shown.
Illustration 3 g01347110
Section F-F (G) Depth of bearing from the machined surface ... 1.52 0.25 mm (0.060 0.010 inch)
Illustration 4 g01347115
(H) Distance of the dowel extension from the body ... 4.1 0.5 mm (0.16 0.02 inch)