2013/12/23 Caterpillar

Engine:

C9 (S/N: X3R1-UP; C9Y1-UP; P7Z1-UP)

Generator Set:

C9 GEN SET (S/N: C9E1-UP; NBP1-UP)

C9 MARINE GEN (S/N: SJB1-UP)

C9 MARINE GS (S/N: C9A1-UP)

Industrial Engine:

C9 INDUSTRIAL (S/N: JSC1-UP; MBD1-UP; REH1-UP; JLW1-UP)

Marine Engine:

C9 MARINE (S/N: C9B1-UP; CSN1-UP; X9X1-UP; X9Y1-UP)

Petroleum Engine:

C9 PETROLEUM (S/N: P9L1-UP; KLW1-UP; P9W1-UP; KLX1-UP)

Petroleum Power Train Package:

CX31-P600-C9I (S/N: PDZ1-UP)

TH31-C9I (S/N: PAZ1-UP)

TH31-C9T (S/N: PAY1-UP)

Engine News SEBD9939, 24 April 2014, "A New Oil Pump and Tube Assemblies Are Now Used for Certain C9 Engines". Disregard the previous article, refer to the article that follows.

Description of Change: The new oil pump and lines group being used are more robust extending the service life of the lubrication system.

Adaptable To: The 396-6022 Gerotor Pump can be used on the C9 commercial engines. Replace the previous oil pump with the 396-6022 Gerotor Pump, the 281-2210 Outlet Elbow, and the appropriate tube assembly. Table 1 contains the previous and new part numbers.

Refer to Disassembly and Assembly, RENR9579, "Engine Oil Pump - Remove" and Disassembly and Assembly, RENR9579, "Engine Oil Pump - Install" for installation instructions.

Table 1

New Part Number	Part Description	Previous Part Number
420-3655	Tube As	213-8516
420-3656	Tube As	213-1916
420-3657	Tube As	212-7799
420-3658	Tube As	331-8059
420-3659	Tube As	264-0160
396-6022	Gerotor Pump	331-8906

This change is effective with the engines built on or after 23October 2013.