3126B Petroleum Engine Caterpillar

Installation Procedure

Show/hide table

NOTICE
Keep all parts clean from contaminants. Contaminants may cause rapid wear and shortened component life.

Show/hide table



Illustration 1	g00987512

Show/hide table



Illustration 2	g00987503

Show/hide table

NOTICE
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.

1. Carefully install camshaft (4) in the cylinder block.

2. Ensure that the timing marks on camshaft drive gear (1), the idler gear, and the crankshaft gear are aligned.

3. Lower the valve lifters onto the camshaft.

4. Install thrust plate (3) and bolts (2) on camshaft drive gear (1) .

5. Install the front cover.

End By: Install the rocker shaft and pushrods. Refer to Disassembly and Assembly, "Rocker Shaft and Pushrod - Install".