2015/09/23 Caterpillar

Engine:

C18 (S/N: GJE1-UP; JLE1-UP; EJG1-UP)

Generator Set:

C18 LOCOMOTIVE (S/N: EWS1-UP)

C18 MARINE GS (S/N: GBM1-UP; CYN1-UP; GEN1-UP; MGS1-UP)

Industrial Engine:

C18 INDUSTRIAL (S/N: JDA1-UP; NBB1-UP; WJH1-UP; WRH1-UP)

Marine Engine:

C18 MARINE (S/N: PLE1-UP; CKH1-UP; GES1-UP; KJT1-UP)

C18 MARINE ENG (S/N: J2K1-UP; T2P1-UP)

Petroleum Engine:

C18 PETROLEUM (S/N: WJW1-UP; WJY1-UP)

There are two different procedures to follow for breaking in newly installed pistons and/or piston pins.

ReferenceRefer to Special Instruction, REHS9671, "Procedure for Piston and Piston Pin Break-In for Certain C18 Marine Engines" for these procedures.