Weichai America Corp.
Revision: August 2019 2
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
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