2015/06/26 Caterpillar

Engine:

3406E (S/N: 5EK1-UP; 1MM1-UP; 2WS1-UP; 5DS1-UP; 6TS1-UP; 1LW1-UP)

C-10 (S/N: MBJ1-UP; 2PN1-UP; 3CS1-UP; 8YS1-UP)

C11 (S/N: KCA1-UP)

C-12 (S/N: CPD1-UP; TME1-UP; 8YF1-UP; MBL1-UP; 9SM1-UP; 1YN1-UP; GEP1-UP; 2KS1-UP; 9NS1-UP)

C13 (S/N: KCB1-UP; JAM1-UP; EMS1-UP)

C-15 (S/N: EGH1-UP; MBN1-UP; 6NZ1-UP; 9NZ1-UP; KRA1-UP; TRB1-UP; JEP1-UP; BXS1-UP; MXS1-UP; NXS1-UP; RKS1-UP)

C-16 (S/N: W1A1-UP; 7CZ1-UP)

C-18 (S/N: CJP1-UP; MDP1-UP; MEP1-UP)

Cat^® Reman will begin using a machining process on the spring face of the injector body.

The machining process will remove material and a washer (spring seat) will be added to retain the original tappet spring pre-load specification. Refer to Illustrations 1 and 2 for the placement of the washer.

This change will not alter fit, function, or performance in any way.

Illustration 1	g03841687
Injector body with washer (1) Spring washer

Illustration 2	g03841688
Injector body without washer

This change is effective on 13April 2015.

The fuel injectors impacted by this change are listed in Table 1.