2008/03/10 Caterpillar

The Sealing for the Hydraulic Screen Group is Improved {5068}

Usage:

D11R 7PZ

Track-Type Tractor: D11R (S/N: 7PZ1-UP; AAF1-UP) D11T (S/N: GEB1-UP; TPB1-UP)

Description of Change: The rectangular seal on the hydraulic oil screen has been replaced with an O-Ring seal that will provide increased life for the following machines:

D11R machines with a 263-3300 Hydraulic Oil Screen Gp, D11R machines that have an Auto Carry function with a 263-8470 Hydraulic Oil Screen Gp and D11R machines with a 266-0290 Hydraulic Oil Screen Gp as a retrofit kit
D11T machines that are equipped with a 270-3386 Hydraulic Oil Screen Gp
D11T machines that have an Auto Carry function with a 270-3296 Hydraulic Oil Screen Gp

Adaptable To: The existing 1P-3705 Rectangular Seal between the 263-3301 Adapter and the 266-0285 Hydraulic Oil Screen Gp has been replaced with a 4J-0524 O-Ring Seal.

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Illustration 1	g01472138
(3) 266-0285 Hydraulic Oil Screen Gp

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Illustration 2	g01472079
(1) 4J-0524 Rectangular Seal (2) 263-3301 Adapter (3) 266-0285 Hydraulic Oil Screen Gp

The change for the seal is effective with the following machines:

D11T (S/N: GEB212-UP; TPB165-UP) machines that are equipped with a 270-3386 Hydraulic Oil Screen Gp
D11T (S/N: GEB212-UP; TPB165-UP) machines that have an Auto Carry function with a 270-3296 Hydraulic Oil Screen Gp

The change for the seal is adaptable to the following machines:

D11R (S/N: 7PZ1-UP; AAF1-UP) machines that are equipped with a 263-3300 Hydraulic Oil Screen Gp
D11R (S/N: 7PZ1-UP; AAF1-UP) machines that have an Auto Carry function with a 263-8470 Hydraulic Oil Screen Gp
D11R (S/N: 7PZ1-UP; AAF1-UP) machines that are equipped with a 266-0290 Hydraulic Oil Screen Gp as a retrofit kit
D11T (S/N: GEB1-211; TPB1-164) machines that are equipped with a 270-3386 Hydraulic Oil Screen Gp
D11T (S/N: GEB1-211; TPB1-164) machines that have an Auto Carry function with a 270-3296 Hydraulic Oil Screen Gp