SERVICE GROUP FUEL VALVE 7M7431 - Caterpillar

Engine:
3512C (S/N: R1S1-UP)
3516C (S/N: SBJ1-UP)
Description of Change: The previous air lines included a hose with both an inlet and an outlet that could be connected to the air shutoff solenoid valve. When the hose was installed incorrectly, the engine would shut off after pressure was built upon start-up. The new air lines have hose connections that only allow correct assembly.Adaptable To: The new air lines are adaptable to the above engines back to first production.The new parts and the previously used parts are identified in Illustration 1 and in Table 1. The previously used parts are not canceled.Note: There is no need to replace the existing parts if the parts are assembled correctly.The new parts are affective with the R1S00899:
Illustration 1 g02801426
(1) 381-0676 Air Shutoff Valve and Mounting (2) 385-0972 Hose As
Table 1
New Parts     Previously Used Parts    
381-0676 Air Shutoff Valve and Mounting     152-2700 Air Shutoff Valve and Mounting    
385-0972 Hose As     125-4369 Hose As    
Table 2
Parts of the New 381-0676 Air Shutoff Valve and Mounting     Parts of the Previously Used 152-2700 Air Shutoff Valve and Mounting    
381-0677 Valve Manifold     7T-9745 Valve Manifold    
152-8341 Solenoid Valve Gp    
8C-5223 Seal Plug