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ELECTRONIC ENGINE CONTROL SYSTEM AND SENSORS (DEERE ECU SHOWN)
ENGINE CONTROL UNIT (ECU)

Technical Manual For Hydraulic Excavator Model 330Lcr 2
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TM 5-3805-281-24-2
Electrical System and Electrical Engine Controls
REMOVE AND INSTALL SENSORS
Refer to the diagram on previous page to identify and
locate the various sensors on the engine which feed
signals to the electronic control system.
1. Disconnect sensor wiring connector.
2. Remove sensor from bore.
3. Coat sensor O-ring with JDT405 High Temperature
Grease and install sensor in its bore.
4. Tighten sensors securely, or to following torques:
Coolant Temperature Sensor--Specification
Torque ............................................................................. 14 Nm (10 lb-ft)
Fuel Shutoff Solenoid (on Injection Pump)--Specification
Torque ............................................................................. 50 Nm (37 lb-ft)
5. Install sensor wire connector.
RG,RG34710,1325
1923OCT971/1
11-418


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