WEICHAI & PSI SERVICE MANUALS AVAILABLE ONLINE AT FLYPARTSGUY.COM Weichai America Corp. 7.3 Thermostat Disassembly and Assembly 7.3.1 Thermostat Exploded View Fig. 7-3 Exploded view of thermostat 7.3.2 Thermostat Disassembly Procedure 1. Loosen the clamps around the hose connecting the water pipe and thermostat. Remove the hose. 2. Loosen the clamps around the hose connecting the thermostat and water pump. Remove the hose and thermostat. 7.3.3 Thermostat Assembly Procedure Reverse the Disassembly Procedure (7.3.2) to assemble the Thermostat. 7.3.4 Thermostat Inspection and Maintenance 1. Check the clamps to ensure good condition. Replace any if necessary. 2.
Check the coolant rubber hoses for cracks or damage. Replace them if necessary. 3. Check the thermostat for fracturing or damage. Replace it if necessary. Revision: August 2019 28 GET YOUR WEICHAI & AFTERMARKET SERVICE PARTS AT FLYPARTSGUY.COM