**Yanmar YEG 4-Pole Series Diesel Powered Generators**
**Overview**
The Yanmar YEG 4-Pole Series is a robust and reliable line of diesel-powered generators engineered to deliver exceptional performance in demanding applications. Designed with precise engineering and advanced technology, these generators offer a combination of efficiency, durability, and unmatched reliability.
**Engine Specifications**
At the heart of the YEG series lies the renowned Yanmar diesel engine, renowned for its unparalleled fuel efficiency and robust construction. These engines are equipped with state-of-the-art fuel injection systems that optimize combustion, resulting in reduced fuel consumption and lower emissions. The 4-pole design provides superior torque and responsiveness, ensuring smooth and stable operation under varying loads.
**Electrical System**
The YEG generators feature a highly efficient alternator that delivers clean and reliable power. The brushless design of the alternator eliminates the need for maintenance, ensuring trouble-free operation for extended periods. The generators offer a wide range of output voltages and frequencies, accommodating diverse electrical requirements.
**Cooling System**
To maintain optimal operating temperatures, the YEG series is equipped with an advanced cooling system. The large radiator and efficient fan design work in tandem to dissipate heat effectively, ensuring consistent performance even in harsh operating environments.
**Noise Suppression**
Recognizing the importance of noise reduction, the YEG generators are engineered with a comprehensive noise suppression system. The robust soundproof enclosure effectively dampens engine and exhaust noise, making them suitable for operation in noise-sensitive areas.
**Compact and Modular Design**
Despite their exceptional power, the YEG generators are designed to be compact and modular. This allows for easy installation in confined spaces and makes them ideal for applications where space is at a premium. The modular design also simplifies maintenance and service procedures.
**Applications**
Yanmar YEG 4-Pole Series Diesel Powered Generators are ideally suited for a wide range of applications, including:
* Primary and backup power supply for residential and commercial buildings
* Power generation for remote sites and off-grid locations
* Industrial and agricultural applications
* Mobile power solutions for construction and mining operations
**Features and Benefits**
* **Fuel Efficient Yanmar Diesel Engine:** Optimized for efficiency and durability, delivering low operating costs and extended engine life.
* **4-Pole Design:** Exceptional torque and responsiveness for smooth operation under varying loads.
* **Efficient Brushless Alternator:** Clean and reliable power, eliminating maintenance needs.
* **Advanced Cooling System:** Maintains optimal operating temperatures for consistent performance in demanding environments.
* **Comprehensive Noise Suppression:** Robust soundproof enclosure for noise reduction in sensitive areas.
* **Compact and Modular Design:** Easy installation in confined spaces and simplified maintenance.
* **Versatility and Reliability:** Suitable for a wide range of applications, providing dependable power supply in diverse conditions.
Models Covers:
YEG170DSLS YEG230DSLS
YEG450DSLS YEG650DSLS
YEG750DSLS
YEG170DTLS YEG230DTLS
YEG450DTLS YEG650DTLS
YEG750DTLS
This is the most complete service repair manual for Yanmar YEG 4-Pole Series generators.
This Manual has easy-to-read text sections with high quality diagrams and instructions.
Service Repair Manual Covers:
1. FEATURES OF YEG GENERATOR
2. MODEL IDENTIFICATION CODE
3. OUTLINE
4. MODEL SPECIFICATION LIST
5. NOTICE FOR USAGE
6. SPECIFICATION AND PERFORMANCE
6-1. Single phase, 4-pole (YEG170DSLS - YEG450DSLS)
6-2. Single phase, 4-pole (YEG650DSLS - YEG750DSLS)
6-3. 3-phase, 4-pole (YEG170DTLS - YEG450DTLS)
6-4. 3-phase, 4-pole (YEG650DTLS - YEG750DTLS)
7. OVERVIEW OF STRUCTURE
7-1. Bonnet Silent Type
7-2. Engines
8. CONTROL PANEL AND CONTROL BOX
8-1. YEG170/YEG230/YEG450
8-2. YEG650/YEG750
8-3. Function of Control Panel Components
8-4. Description of Control Box Component Functions
9. EXPLODED VIEW OF GENERATOR
10. PROTECTION SYSTEM AND INDICATORS
10-1. Lubricant Pressure Switch Check
10-2. Coolant Temperature Switch Check
11. TROUBLESHOOTING OF CIRCUIT BY INDICATOR
11-1. Starter Switch Operation Circuit Diagram
11-2. Normal Indication at Various Starter Switch Positions
11-3. Power Supply to Main Protection Component
11-4. Troubleshooting When Both Charge Lamp and Low Oil
Pressure Lamp Are Not Lit (Starter Switch ON)
11-5. Troubleshooting When Charge Lamp Does Not Go Off
or Flashes With Dim Light (Charging Failure)
12. TROUBLESHOOTING FOR GENERATOR FAILURE
12-1. Driven Machine (Electrical Equipment)
Does Not Operate
12-2. Generated Voltage Failed
13. AVR TYPE VOLTAGE ADJUSTMENT PROCEDURE
13-1. Voltage regulator
13-2. AVR (Automatic Voltage Regulator)
13-3. Troubleshooting
14. DISASSEMBLY AND REASSEMBLY
14-1. Generator Cover Components
14-2. Disassembly
14-3. Reassembly
15. GENERATOR AND PANEL CIRCUIT DIAGRAMS
15-1. YEG170/230/450DSLS
15-2. YEG170/230/450DTLS
15-3. YEG650DTLS/YEG750DTLS
16. ENGINE CIRCUIT DIAGRAMS
16-1. YEG170, YEG230
16-2. YEG450
16-3. YEG650, YEG750
17. MAINTENANCE AND INSPECTION
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