2007/11/05 Caterpillar

Machine Engines:

3126B

3176C

3196

3406E

3408E

All 3412

3456

C-9

C-12

C-15

C-16

3408 (S/N: 48W1-UP)

C7 (S/N: C7C1-UP; KHX1-UP)

C9 (S/N: THY1-UP)

C9 (S/N: THX1-UP)

C11 (S/N: RSX1-UP)

C27 (S/N: EHX1-UP; LJX1-UP)

C32 (S/N: LJW1-UP)

Service Magazine, SEPD0913, November 2007, "Replacement of the Priming Pump ". Disregard this article. Refer to the article that follows.

ReferenceSpecial Instruction, REHS2598, "Troubleshooting the Fuel Priming and Primary Filter Pump Gp and the Fuel Filter Base Assembly"

When troubleshooting issues with the electric priming pump refer to the Special Instruction that is listed above before replacing the pump.

A list of the affected part numbers is listed below. The first column in Table 1 lists the reference group part numbers for the applicable serial numbers. The third column in Table 1 lists the part numbers for the base assembly of the reference group.

Table 1

Part Numbers	Description	Part Numbers	Description
212-3657	Water Separator and Fuel Priming Pump Gp	217-8339	Fuel Filter Base Assembly
190-8977	Water Separator and Fuel Priming Pump Gp	190-8970	Base As
217-6927	Water Separator and Fuel Priming Pump Gp	217-7455	Fuel Filter Base
252-1363	Water Separator and Fuel Priming Pump Gp	247-6050	Fuel Filter Base
213-4740	Water Separator and Fuel Priming Pump Gp	247-6050	Fuel Filter Base
217-8342	Water Separator and Fuel Priming Pump Gp	217-8339	Fuel Filter Base Assembly
235-8725	Water Separator and Fuel Priming Pump Gp	235-8724	Fuel Transfer Pump Base As