69D and 769D Off-Highway Trucks and 771D Quarry Truck Caterpillar


Engine Oil Filter Bypass Valve - Remove and Install

Usage:

769D 5SS

Removal Procedure


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, PERJ1017, "Dealer Service Tool Catalog" for tools and supplies suitable to collect and contain fluids on Cat® products.

Dispose of all fluids according to local regulations and mandates.


------ WARNING! ------

Personal injury can result from hot oil or hot components.

At operating temperature, oil is hot and under pressure. Hot oil can cause burns.

Remove the fill cap only when the engine is stopped, and the fill cap is cool enough to touch with your bare hand.

Do not allow hot oil or components to contact skin.




Illustration 1g00479151

------ WARNING! ------

Personal injury can result from parts and/or covers under spring pressure.

Spring force will be released when covers are removed.

Be prepared to hold spring loaded covers as the bolts are loosened.


  1. Hold cover (1) in position and slowly remove two bolts (2) and the washers. Remove cover (1) and gasket (3) (not shown).


    Illustration 2g00479155

  2. Remove spring (4) and plunger (5) from the oil filter base.

Installation Procedure



Illustration 3g00479159

------ WARNING! ------

Personal injury can result from parts and/or covers under spring pressure.

Spring force will be released when covers are removed.

Be prepared to hold spring loaded covers as the bolts are loosened.


  1. Lubricate plunger (5) and spring (4) with clean engine oil. Install plunger (5) and spring (4) in the oil filter base.


    Illustration 4g00479151

  2. Position gasket (3) on the oil filter base.

  3. Install cover (1) on the oil filter base. Install bolts (2) and the washers.

  4. Check the level of the engine oil. Refer to Operation and Maintenance Manual, "Engine Oil Level - Check" for the correct procedure to check the engine oil level.

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