3126B and 3126E On-highway Engines Caterpillar


Camshaft - Install

Usage:

3126B 1AJ

Installation Procedure


    NOTICE

    Keep all parts clean from contaminants.

    Contaminants may cause rapid wear and shortened component life.




    Illustration 1g00987512

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


    Illustration 2g00987503


    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.


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

  3. Lower the valve lifters onto the camshaft.

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

  5. Install the front cover.

End By:

  1. Install the unit injector hydraulic pump. Refer to Disassembly and Assembly, "Unit Injector Hydraulic Pump - Install".

  2. Install the rocker arms and the pushrods. Refer to Disassembly and Assembly, "Rocker Shaft and Pushrod - Install".

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