PLUG 7W0203 - Caterpillar

Installation Procedure
Keep all parts clean from contaminants.Contaminants may cause rapid wear and shortened component life.
Illustration 1 g00640030
Carefully install camshaft (4) in the engine.
When installing the camshaft, make sure the number one cylinder is at top center of the compression stroke with the timing bolt installed in the flywheel. The camshaft timing is very important. The timing mark on the camshaft drive gear must line up with the timing mark on the idler gear. Refer to the Specifications Manual for more information.
Ensure that the timing marks on the following gears are aligned: the camshaft drive gear, the idler gear and the crankshaft gear.
Illustration 2 g00640035
Install camshaft retainer plate (2) and two bolts (3) on camshaft gear (1). End By:
Install the front cover. Refer to Disassembly and Assembly, "Front Cover - Install".
Install the lifter group. Refer to Disassembly and Assembly, "Lifter Group - Remove and Install".