2015/07/24 Caterpillar

Engine:

3516C (S/N: PAG1-UP; JTS1-UP)

Description of Change: The new oil cooler requires a new oil pump relief valve spring and new oil cooler bypass valve spring to maintain the correct system pressure.

Adaptable To: The new 191-9336 Oil Cooler Core replaces the existing 373-6537 Engine Oil Cooler and 10R-5667 Engine Oil Cooler. The new springs that are used with the oil cooler are 471-0040 Oil pump relief valve spring and 471-2751 Oil cooler bypass spring .

The new engine oil cooler is adaptable back to first production on the serial numbers listed above.

Refer to Table 1 for the new and former part numbers.

Table 1

New Part Number	Former Part Number
191-9336	373-6537 10R-5667

Refer to Table 2 for a list of part numbers needed to install the new Oil Cooler.

Table 2

Qty	New Part Number	Description
1	471-0040	Oil pump relief Valve Spring
1	471-2751	Oil Cooler Bypass Spring

This change is effective for the serial numbers listed in Table 3.

Table 3

Effective Serial Numbers

S/N:PAG00482-UP

S/N:JTS00561-UP