2009/06/15 Caterpillar

The Engine Enclosure May Need to Be Updated {7267, 7276}

Usage:

D9T RJS

Track-Type Tractor: D9T (S/N: RJS1-UP)

Description of Change: An update to the left side 248-4763 Enclosure Gp or 248-5527 Enclosure Gp on the D9T has resulted in the air conditioner lines and the fuel lines moved away from the engine enclosure. As a result, (S/N: RJS577-UP) no longer contain bosses that secure the fuel lines and the air conditioner lines to the 248-4763 Enclosure Gp or 248-5527 Enclosure Gp .

This update is required for only the machines that will be replacing the 248-4763 Enclosure Gp or 248-5527 Enclosure Gp. Otherwise, this update is not required.

Adaptable To: The machines that are listed below do not need this update:

D9T (S/N: RJS577-UP)

The machines that are listed below will need this update if the 248-4763 Enclosure Gp or 248-5527 Enclosure Gp is replaced:

D9T (S/N: RJS1-576)

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Table 1
Required Parts
Item	Part Number	Description	Quantity
1	7Y-8763	Boss	1
2	9R-3761	Boss	1

The following procedure may need to be used for machines that were built before (S/N: RJS577) with the current 210-1653 Plate As .

Note: The current 210-1653 Plate As does not contain short 7Y-8763 Boss (1) or long 9R-3761 Boss (2) for mounting the air conditioner lines and the fuel lines.For replacement of the 210-1653 Plate As on machines (S/N: RJS1-576), use the dimensions in Illustration 1 in order to weld short 7Y-8763 Boss (1) and long 9R-3761 Boss (2) in the proper location.

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Illustration 1	g01931965
(A) 158 ± 1.5 mm (6.22 ± 0.059 inch) (B) 378 ± 1.5 mm (14.88 ± 0.059 inch) (C) 312 ± 1.5 mm (12.28 ± 0.059 inch) (D) 267 ± 1.5 mm (10.51 ± 0.059 inch) (E) 9R-3761 Boss (F) 7Y-8763 Boss