Doosan G643E - Chapter 2. RECOMMENDED MAINTENANCE; General Maintenance

G643(E) Service Manual Chapter 1. General Information 15
G643E Engine G643 Engine
LP FUEL SYSTEM
LP FUEL SYSTEM
Closed loop LP Carburetion
System
Open loop LP Carburetion
System
MIXER:
Diaphragm Type Air Valve
Assembly inside, Downdraft
(Model: CA-100)
Diaphragm Type Air Valve
Assembly inside, Downdraft
(Model: CA-100)
REGULATOR:
Two-Stage Negative Pressure
Regulator (Model: N-2007)
Two-Stage Negative Pressure
Regulator (Model: N-2001)
FUELTRIMVALVE (FTV): Dual Dither System None
FUEL FILTRATION: 40 Microns Maximum 40 Microns Maximum
ENGINE ELECTRICAL
ENGINECONTROLMODULE(ECM): 12 V operation volt, 48 pins of I/O 12 V operation volt, 24 pins of I/O
CRANK SENSOR Hall effect Sensor VR sensor built in Distributor
TMAP:
Intake Air Temp. & Manifold
Absolute Press. Sensor
Intake Air Temp. & Manifold
Absolute Press. Sensor
PEDAL ANGLE SENSOR:
Two-Output Signals (Installed on
Accelerator Pedal)
Two-Output Signals (Installed
on Accelerator Pedal)
OXYGEN SENSOR: Heated Exhaust Gas Oxygen
Sensor (HEGO)
12 V operation volt
None
ECT-ECM:
Engine Coolant Temperature
Sensor for ECM
Engine Coolant Temperature
Sensor for ECM
ECT-GAUGE
Engine Coolant Temp. Sensor for
GAUGE on Instrument Panel
Engine Coolant Temp. Sensor
for GAUGE on Instrument
Panel
TPS:
Throttle Position Sensor (built in
Throttle Body)
Throttle Position Sensor (built
in Throttle Body)
THROTTLE BODY: Electronic Throttle Body Electronic Throttle Body
LP FUEL LOCK-OFF: 12 V operation volt 12 V operation volt
ENGINE OIL PR. S/W: 21.4 kPa (3.1 psi) 21.4 kPa (3.1 psi)
STARTER MOTOR: 12 Volt, 2.0 kW 12 Volt, 2.0 kW
ALTERNATOR: 12 Volt, 80 A 12 Volt, 80 A
EXHAUST SYSTEM
CATALYTIC MUFFLER:
Three-way Catalyst with Metal
Substrate
Muffler without Catalyst