ALTERNATOR GP-CHARGING 5177957 - Caterpillar

Illustration 1 g03832686
Illustration 1 shows examples of material removal from the spacer plate gasket. This failure is caused by gasket movement and/or loss of load from improper installation.
Illustration 2 g03832846
Illustration 2 shows examples of bead and outer dust seal separation. This failure is caused by gasket movement and/or loss of load from improper installation.
Illustration 3 g03832900
Illustration 3 shows examples of compression ring failure. This failure is caused by gasket movement and/or loss of load from improper installation.
Illustration 4 g03832916
Illustration 4 shows examples of a spacer plate cleaned with a wire wheel. Wire wheel use can cause an uneven contact surface during installation between the spacer plate and gasket leading to gasket failure.Refer to the publications below during overhaul and installation of the cylinder head for the correct procedures to be used.
Reuse And Salvage Guidelines, SEBF9390, "Visual Inspection of Liner Seats for 3400, C15, C16, and C18 Series Engines"
Reuse And Salvage Guidelines, SEBF9008, "Procedure for Reconditioning Cylinder Blocks on 3400 and C-Series Engines"