VALVE AS-CHECK 2530857 - Caterpillar

Removal Procedure
Table 1
Required Tools    
Tool     Part Number     Part Description     Qty    
A     185-3630     Strap Wrench Assembly     1    Start By:
Remove the engine oil cooler. Refer to Disassembly and Assembly, "Engine Oil Cooler - Remove".
Keep all parts clean from contaminants.Contaminants may cause rapid wear and shortened component life.
Care must be taken to ensure that fluids are contained during performance of inspection, maintenance, testing, adjusting and repair of the product. Be prepared to collect the fluid with suitable containers before opening any compartment or disassembling any component containing fluids.Refer to Special Publication, NENG2500, "Caterpillar Dealer Service Tool Catalog" for tools and supplies suitable to collect and contain fluids on Caterpillar products.Dispose of all fluids according to local regulations and mandates.
Illustration 1 g01019853
Remove oil filter assembly (4) with Tooling (A) .
Remove the following items: bolts (5) , bolts (1) , bolts (3) and bolts (6) .Note: Bolts (6) that hold the oil filter base assembly to the cylinder block are marked. This is done for installation purposes.
Remove oil filter base assembly (2) and the O-ring seals.