VALVE AS-CHECK 5397999 - Caterpillar

Removal Procedure
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.Dispose of all fluids according to local regulations and mandates.
Illustration 1 g02701559
If necessary, remove the assembly of dipstick tube. Loosen nut (1) and remove tube assembly (2). remove seal (3) from the tube assembly. Note: Identify the position and orientation of the tube assembly.
Illustration 2 g02701560
Place a suitable container below engine oil pan (7). Remove drain plug (5) and drain the engine lubricating oil. Refer to Operation and Maintenance Manual, "Engine Oil and Filter - Change" for the correct procedure.
Remove O-ring seal (6) from drain plug (5).
If necessary, disconnect breather hose from the clip that secures the hose to the engine oil pan. Position the breather hose away from the engine oil pan.
Support the assembly of engine oil pan (7). Remove bolts (8) and bolts (9). If necessary, mark the position of the clip that secures breather hose . Remove the clip.
Remove the assembly of engine oil pan (7) from the engine.