Weichai America Corp.
Revision: August 2019 7
2.2 LPG Intake System Assembly and Disassembly
2.2.1 LPG Intake System Exploded View
Fig. 2-2 Exploded view of LPG supply system
2.2.2 LPG Intake System Disassembly Procedure
1. Remove the clamps from the gas hose. Separate the hose from the NG intake system.
2. Remove the nuts and washers bolting the LPG bracket to the cylinder head assembly. Separate
the LPG bracket and LPG evaporator from the cylinder head assembly.
3. Remove the water inlet and outlet fitting clamps. Disconnect the LPG evaporator from the water
inlet and outlet hoses.
4. Remove the connecting bolts and isolator cushions between the LPG evaporator and the LPG
bracket. Fully remove the LPG evaporator assembly from the LPG bracket.
5. Remove the hex nipple fitting between the LPG evaporator and LPG lock-off valve. Separate
LPG evaporator and LPG lock-off valve.
6. Remove the LPG evaporator plug and adapter from the LPG evaporator.
2.2.3 LPG Intake System Assembly Procedure
Reverse the Disassembly Procedure (2.2.2) to assemble the LPG Supply System.
2.2.4 LPG Intake System Inspection and Maintenance
1. Check the LPG gas valve and hoses for leaks.
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