3064 and 3066 Engines for Caterpillar Built Machines Camshaft - Remove Caterpillar


Camshaft - Remove
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1.1. Removal Procedure

Removal Procedure

Start By:

  1. Remove the front housing. Refer to Disassembly and Assembly, " Housing (Front) - Remove".
  2. Remove the rocker shaft assembly and the pushrods. Refer to Disassembly and Assembly, "Rocker Shaft and Pushrod - Remove".
  3. Remove the oil pan. Refer to Disassembly and Assembly, "Engine Oil Pan - Remove and Install".

Note: In this removal procedure, the engine needs to be placed in the upside-down position. This will allow the lifters to remain in position after the camshaft is removed.


NOTICE

Keep all parts clean from contaminants.

Contaminants may cause rapid wear and shortened component life.



NOTICE

Care must be taken to ensure that fluids are contained during performance of inspection, maintenance, testing, adjusting and repair of the product. Be prepared to collect the fluid with suitable containers before opening any compartment or disassembling any component containing fluids.

Refer to Special Publication, NENG2500, "AVSpare Tools and Shop Products Guide" for tools and supplies suitable to collect and contain fluids on AVSpare products.

Dispose of all fluids according to local regulations and mandates.





Illustration 1g00569371

Note: Ensure that the marks on the timing gears are in alignment. Align fuel injection drive gear (A) with the "33" mark with the "3" mark on idler gear (B). Make an alignment of the "2" mark on camshaft gear (C) with the "22" mark on idler gear (B). Align the "1" mark on crankshaft gear (D) with the "11" mark on idler gear (B). The No. 1 cylinder is at the top center position when these marks are in alignment.

  1. Rotate the engine at 180 degrees in order to place the engine in the upside-down position. This will ease the removal of the camshaft.



    Illustration 2g00604521


    NOTICE

    Do not damage the lobes or the bearings when the camshaft is removed or installed.


  1. Position camshaft gear (2) so that the gear's slots align from the top to the bottom. Remove two bolts (1) and the washers that hold thrust plate (3) (not shown).

  1. Carefully remove the camshaft, the thrust plate and the camshaft gear as an assembly.

  1. Remove the valve lifters. Refer to Disassembly and Assembly, "Lifter Group - Remove and Install".

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