Service Manual

WEICHAI EMISSION-RELATED INSTALLATION INSTRUCTIONS
Contents
INSTALLATION OF CERTIFIED ENGINES .................................................................................... 4
NOTICE OF IMPORTANT REQUIREMENTS OF CERTIFIED ENGINES .......................................... 5
SYSTEM OVERVIEW .................................................................................................................. 6
ENGINE MOUNTING SUSPENSION ......................................................................................... 11
ELECTRICAL SYSTEM ............................................................................................................... 12
INTAKE AIR SYSTEM ............................................................................................................... 13
CLOSED CRANKCASE VENTILATION........................................................................................ 14
NATURAL GAS/WELLHEAD GAS FUEL SYSTEM ...................................................................... 15
LPG & NG DUAL FUEL SYSTEM ............................................................................................... 15
VPG SINGLE FUEL SYSTEM ..................................................................................................... 16
COOLING SYSTEM .................................................................................................................. 16
PRE-CATALYST OXYGEN SENSOR ........................................................................................... 17
POST-CATALYST OXYGEN SENSOR ......................................................................................... 17
CATALYTIC CONVERTER ......................................................................................................... 19
FLYWHEEL .............................................................................................................................. 21
ADJUSTABLE PARAMETERS .................................................................................................... 22
FUEL SYSTEM DIAGNOSTIC .................................................................................................... 22
OIL LEVEL GAUGE INSTALLATION .......................................................................................... 23
ABBREVIATION DEFINITION ................................................................................................... 24
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