WEICHAI WD10 Service Manual - page 122
Service Manual for WD10 Diesel Engine
112
(3) Apply sealant on the valve thread.
(4) Install the valve and tighten it.
498 Disassembly, Inspection, Maintenance and Assembly of Engine Oil
Cooler Bypass Valve
4981 Exploded View of Engine Oil Cooler Bypass Valve
Safety valve
Safety valve spring
Compound gasket
Hexagon plug
Fig. 4-72 Exploded view of engine oil cooler bypass valve
4982 Steps to Disassemble Engine Oil Cooler Bypass Valve
Screw off the hexagon plug, and then take down compound gasket, safety valve spring and safety
valve orderly, as shown in Fig. 4-72.
4983 Inspection and Maintenance of Engine Oil Cooler Bypass Valve
(1) Check service condition of safety valve spring, replace the spring if necessary.
(2) Check safety valve, hexagon plug and compound gasket for crack damage, replace if necessary.
4984 Steps to Assemble Engine Oil Cooler Bypass Valve
(1) Check safety valve, safety valve spring, hexagon plug and compound gasket before assembling,
make sure there is no manufacturing defect and damage.