RING 1H9535 - Caterpillar

Engine:
3512B (S/N: YAY1-UP)
Power Module:
PM3512 (S/N: TC81-UP)
Description of Change: The new breather hose has been improved to work in higher heat environments when the engine is operating. Adaptable To: The new 450-8483 Hose (130 mm-5.12 inch) is a direct replacement of the existing hose. When installing the new breather hose use two 268-5605 Hose Clamps. The new breather hose is adaptable back to first production on the serial numbers listed above.
Illustration 1 g03859837
(1) 450-8483 Hose (130 mm-5.12 inch) (2) 268-5605 Hose Clamp
Illustration 2 g03859840
(1) 450-8483 Hose (130 mm-5.12 inch) (2) 268-5605 Hose Clamp This change is effective for the serial numbers listed in Table 1.
Table 1
Effective Serial Numbers    
S/N:YAY01339-UP    
S/N:TC800151-UP