3. Electric System
3-35
3.16.4
Injector
The ECU controls the injector to maintain optimum
injection volume and injection timing and injects the
high pressure fuel accumulated in the rail into the
cylinder.
Each piece of injector has its correction data for
improvement of injection volume accuracy. The
correction data are printed at the top of each injector,
and are written in ECU. The injection volume is
corrected based on the data. Therefore, it is necessary to
write the data again when injector and ECU are
replaced. Further, take care not to touch any cable at
key on because high volt current flows to injector.
3.16.5
Water temperature sensor (ECU)
Allows the CSD (Cold start device) and EGR (Exhaust
gas recirculation) to be controlled in engine cold-start
conditions. Make sure to use genuine parts and never
use it for other equipment.
YANMAR part number:129927-44900
Installation
：
194.7
±
17.7lbf
･
in. (22
±
2N
･
m) [224
±
20kgf
･
cm]
Coolant temperature °F(
℃
) Resistance value (k
Ω
)
68( 20)
2.45
＋
0.14
－
0.13
176( 80)
0.318
±
0.008
212(100) (0.1836)
3.16.6
Water temperature sensor (Gauge)
See 3.11 Discharge Temperature Sensor / Water Temperature Sensor.
3.16.7
Engine oil pressure switch
See 3.9 Engine Oil Pressure Switch.
PC14034
PC14035
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Summary of Contents for PDS185S-6E1
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