WEICHAI & PSI SERVICE MANUALS AVAILABLE ONLINE AT FLYPARTSGUY.COM Weichai America Corp. Table of Contents 1 Disassembly & Assembly of Engine ..................................................................................... 5 1.1 Safety Precautions ............................................................................................................ 5 1.2 Environmental Protection Measures ................................................................................. 5 1.3 Notes for Disassembly and Assembly of Engine ...............................................................
5 2 Fuel System ......................................................................................................................... 6 2.1 Fuel System Assembly and Disassembly ......................................................................... 6 2.2 LPG Intake System Assembly and Disassembly ............................................................... 7 2.3 NG Shut-Off Valve Assembly and Disassembly ................................................................ 8 2.4 Electronic Pressure Regulator (EPR) Assembly and Disassembly ....................................
9 2.5 Mixer Assembly and Disassembly .................................................................................... 9 3 Intake and Exhaust System ............................................................................................... 12 3.1 Intake and Exhaust System Assembly and Disassembly ................................................ 12 3.2 Intake Manifold Assembly and Disassembly ................................................................... 14 3.3 Exhaust Manifold Assembly and Disassembly ................................................................ 14 3.4 Ignition System Assembly and Disassembly ...................................................................
16 3.5 Signal Generator Assembly and Disassembly ................................................................ 17 3.6 Engine Control Unit (ECU) Assembly and Disassembly .................................................. 19 4 Starting System ................................................................................................................. 19 4.1 Starting System Assembly and Disassembly .................................................................. 19 5 Engine Accessory System .................................................................................................
21 5.1 Engine Accessory System Assembly and Disassembly .................................................. 21 5.2 Alternator Assembly and Disassembly ............................................................................ 21 6 Closed Crankcase Ventilation (CCV) Breather System Assembly and Disassembly .......... 23 6.1 CCV Breather System Assembly and Disassembly ........................................................ 23 6.2 CCV Breather Assembly and Disassembly ..................................................................... 24 7 Cooling System ..................................................................................................................
26 7.1 Cooling System Disassembly and Assembly .................................................................. 26 Revision: August 2019 2 GET YOUR WEICHAI & AFTERMARKET SERVICE PARTS AT FLYPARTSGUY.COM