ENGINE AR-PRIMARY 2169537 - Caterpillar

Illustration 1 g01335357
Typical example
Type of fuel injection pump ... In-line cassetteDirection of rotation of the camshaft for the fuel injection pump ... Clockwise from the drive end (1) Tighten the mounting nuts and setscrews to the following torque.C1.1 engine ... 10 N m (89 lb in)C1.5 and C2.2 engines ... 15 N m (133 lb in) (2) Tighten the delivery valve holders to the following torque. ... 42 N m (31 lb ft) (3) ShimThe shim adjusts the timing of the fuel injection pump. A thicker shim retards the timing. A thinner shim advances the timing. The timing changes 1 degree for each 0.10 mm (0.004 inch) difference in the thickness of the shim. More than one shim can be used. If the fuel injection pump is reinstalled, new shims, which have the same thickness as the original shim, must be installed.If any of the following new components are installed, new shims must be used.
Camshaft
Cylinder blockThe following thicknesses of shims are available:
0.20 mm (0.008 inch)
0.30 mm (0.012 inch)
0.40 mm (0.016 inch)
0.50 mm (0.020 inch)