2005/02/28 Caterpillar

Caterpillar Products: All

3500B Engines

Engine:

3508 (S/N: CNF1-UP; CAW1-UP; 95Y1-UP; 23Z1-UP; 68Z1-UP; 70Z1-UP; 1JZ1-UP)

3512 (S/N: CMJ1-UP; FDR1-UP; 49Y1-UP; 24Z1-UP; 65Z1-UP; 67Z1-UP; CTE1-UP; 1KZ1-UP)

3516 (S/N: CMD1-UP; CAL1-UP; GZR1-UP; GZX1-UP; 25Z1-UP; 27Z1-UP; 71Z1-UP; 73Z1-UP; CTD1-UP; 1LZ1-UP)

Power Module:

PM3508 (S/N: BPY1-UP)

PM3512 (S/N: BRF1-UP)

PM3516 (S/N: CAC1-UP)

Service Manual Module, RENR2200, "Specifications"Service Manual Module, RENR2207, "Specifications"Service Manual Module, RENR2217, "Specifications"Service Manual Module, RENR2296, "Specifications"Service Manual Module, RENR4907, "Specifications"Service Manual Module, RENR4927, "Specifications"Service Manual Module, RENR4937, "Specifications"Service Manual Module, RENR4942, "Specifications"Service Manual Module, RENR4946, "Specifications"Service Manual Module, RENR4952, "Specifications"Service Manual Module, RENR4956, "Specifications"Service Manual Module, RENR4962, "Specifications"Service Manual Module, RENR5077, "Specifications"Service Manual Module, SENR2351, " Specifications"Service Manual Module, SENR2361, "Specifications"Service Manual Module, SENR5077, "Specifications"Service Manual Module, SENR5087, "Specifications"Service Manual Module, SENR5097, "Specifications"Service Manual Module, SENR6562, "Specifications"

The sleeve bearing in the rocker arm on the above 3500B and 3500 Engines has changed. The above listed service modules are affected by this change. Update your manuals in order to reflect the change.

The 123-4271 Sleeve Bearing has been cancelled and replaced by the new 230-2620 Sleeve Bearing. Add the following information to your manuals.

Bore in the bearings for the rocker arm shaft

123-4271 Sleeve Bearing ... 45.056 ± 0.015 mm (1.7739 ± 0.0006 inch)

230-2620 Sleeve Bearing ... 45.077 ± .015 mm (1.7747 ± 0.0006 inch)