WEICHAI & PSI SERVICE MANUALS AVAILABLE ONLINE AT FLYPARTSGUY.COM Weichai America Corp. Fig. 10-7 Exploded view of engine oil cooler 10.7.2 Steps to Disassemble Engine Oil Cooler Loose the connecting bolts and take down the cooler, as shown in Figure 10-7. 10.7.3 Steps to Assemble Engine Oil Cooler ① Check the cooler before assembling, make sure there is no manufacturing defect and damage. ② Clean up the fitting surface between engine oil cooler and filter seat. ③ Install engine oil cooler and the connecting thread sleeve, tighten it. 10.7.4 Inspection and Maintenance of Engine Oil Cooler Check the engine oil cooler for crack damage, replace it if necessary.
Check whether the oil cooler bypass valve has sluggish phenomenon, replace it if necessary. 10.8 Disassembly and Assembly of Main Oil Gallery Pressure Limiting Valve 10.8.1 Exploded View of Main Oil Gallery Pressure Limiting Valve Revision: August 2019 53 GET YOUR WEICHAI & AFTERMARKET SERVICE PARTS AT FLYPARTSGUY.COM