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Summary of Contents for Northern Lights ONL844T4E
- Page 1 OPERATOR’S MANUAL OPERATOR’S MANUAL ONL844T4E For Model: NL844T4E www.northern-lights.com...
- Page 2 This label is to state: ULTRA LOW SULFUR FUEL ONLY Northern Lights is providing this label for application to the fuel inlet of the fuel supply tank for each engine or generator set. This is to be applied by the installer of the engine or gen set, or by the manufacturer of the equipment that the engine or gen set is installed in.
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Page 3: Table Of Contents
This publication is the property of Northern Lights, Inc. It may not be reproduced in whole or in part without the written permission of Northern Lights, Inc. © Northern Lights, Inc. All rights reserved. Litho U.S.A. Publication number ONL844T4E 10/17... -
Page 4: Introduction
4 - US EPA Tier IV E - Electronic fuel compliant delivery Northern Lights industrial generator set with an 844 engine, turbocharged US EPA Tier IV compliant with an electronic NL844T4E fuel delivery system. Serial Numbers Your set has three serial numbers:... -
Page 5: Warranty
Safety Rules NOTICE: Northern Lights generator sets and /or any other diesel powered equipment provided by NLI is not provided with spark arresting or explosion proof components, and therefore is not to be installed in the presence of combustible gasses having a flash point of 43.3 Degrees C (110 Degrees F) or lower, such as Gasoline, Propane, Natural Gas or other similar fuel sources. - Page 6 Check for any loose electrical connections or faulty grease, oil or debris. wiring. Disconnect battery ground cable (-) before making Look completely around engine to make sure that any adjustments or service work. everything is clear before starting. ONL844T4E 3/18...
- Page 7 State of California to cause cancer and and open flame away from the top of battery. When reproductive harm. Wash hands after handling. checking battery electrolyte level, use a flashlight. ONL844T4E 3/18...
- Page 8 Follow the procedures and use appropriate equipment exactly as recommended. WARNING Contact your Northern Lights dealer or Northern Lights Relieve pressure prior to factory for MSDS’s used on Northern Lights products. disconnecting pressurized lines.
- Page 9 Disposing of waste improperly can threaten the cause lung cancer. Avoid environment and lead to unsafe working conditions. breathing any dust that may Potentially harmful waste used in Northern Lights be generated when handling equipment can include oil, fuel, coolant, filters and components containing asbestos batteries.
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Page 10: Lock Out / Tag Out Procedures
Scope During maintenance, repairs or retooling of a Northern Lights generator set, simply turning the machine off or unplugging it while it is being worked on does not give enough protection to others who are not performing the maintenance or repair. -
Page 11: Lock Out / Tag Out Procedures
Standard Value: MPa (kgf/cm More than 2.94 MPa (more than 30 kgf/cm Time to be repaired: Less than 2.45 MPa (less than 25 kgf/cm Cylinder Head Tightening Torque 98 - 103 N•m (10.0- 10.5 kgf/cm • m (kgf/cm ONL844T4E 3/18... -
Page 12: Component Locations Nl844T4E Generator Set
Figure 2: NL844T4E service side Circuit breaker Turbo housing 10. Lube Oil Dipstick Emergency E-stop Injector 11. Fuel inlet line S-TSC Control panel High pressure common rail 12. Fuel return line Generator junction box Fuel lift pump 13. Oil filter Fuel filter ONL844T4E 3/18... - Page 13 NL844T4E Generator Component Locations Figure 3: NL844T4E non-service side 14. Coolant fill (top of radiator) 15. Air filter 16. Exhaust outlet 17. Starter 18. DC alternator ONL844T4E 3/18...
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Page 14: Control Panels
Engine will start when it receives a start command. mode. 3. Running Press OFF to shut down. When the engine is running the controller will monitor and record engine parameters. Engine will remain running barring any failures, until stop command is received. ONL844T4E 3/18... -
Page 15: Operating Procedures
3. Check the fuel tank level and open any fuel valves. 4. NOTE: The battery switch must always be kept ON while the engine is running. If the switch is turned OFF while the engine is running, the battery charging alternator could be ruined. ONL844T4E 3/18... -
Page 16: Shutdowns And Alarms
SHUTDOWNS AND ALARMS SPARE PARTS 1. Your unit is fitted with a system to protect it from 1. Northern Lights recommends that you keep the high water temperature or low oil pressure. following spare parts on hand for field service. The a. -
Page 17: Servicing Schedule Chart
3000 hours, and the 4) More often if necessary. quality guarantee for these parts is 1500 hours or 2 years. 5) After first 50 hours, then after 100 hours, then every 250 hours. ONL844T4E 3/18... -
Page 18: Service Record
Check condition of batteries with hydrometer EVERY 500 HOURS Change primary filter element SP10 Change secondary fuel filter EVERY 1000 HOURS Check valve clearances SP11 Check injectors EVERY 2500 HOURS SP12 Check fuel injection pump SP18 Check and flush cooling system ONL844T4E 3/18... -
Page 19: Service Notes
Service Notes ONL844T4E 3/18... -
Page 20: Servicing
6. Fill engine with recommended oil. Start engine and check for leakage. Stop engine, wait 3 minutes, and check oil level. Add additional oil if necessary. 7. Oil filter part number is: NL844T4E – #24-02002 ONL844T4E 3/18... -
Page 21: Changing Oil Filter
No. 2 No. 3 No. 4 Valve Arrangement When No. 1 cyl. is at TDC in compression stroke With the crankshaft turned by 360 in normal direction from above Figure 7: NL844T4E Valve sequence Figure 5: Timing mark ONL844T4E 3/18... -
Page 22: Fuels - General
Note: Using raw pressed or partially refined vegetable two-thirds of a turn by hand. Do not overtighten. oils or recycled greases as fuel (which have not been b. Secondary fuel filter cartridge part number is: through transesterification) could cause engine failure. NL844T4E – #24-52020 ONL844T4E 3/18... -
Page 23: Bleeding The Fuel System
Pump hand primer “B” on fuel lift pump until pure 5. After the engine has started, use a piece of cardboard fuel (no bubbles) escapes from bleed bolt “A”. to look for fuel leaks. Tighten bleed screw “A”. ONL844T4E 3/18... -
Page 24: Injector Service
1. Injectors should be checked every 1000 hours, or as 1. Since operating conditions may vary considerably, it needed. Check should be made by a Northern Lights is difficult to give a definite interval for checking the dealer or local injection repair station. - Page 25 Figure 11: Remove delivery lines. Figure 15: Unscrew injector. Figure 12: Cover lines, inlets and injection pump outlets. Figure 16: Remove and replace copper sealing washer. Figure 13: Remove return line nuts. Figure 17: Reinstall injector. Torque to proper tightness. ONL844T4E 3/18...
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Page 26: Checking Coolant
100 hours. and check for leaks. GENERATOR ENDS The maintenance and operation recommenda- tions for the generator end are in Owner’s Manual OPX300K2. To obtain one of these manuals, contact your local Northern Lights dealer or www.northern- lights.com. ONL844T4E 3/18... -
Page 27: Turbocharger
If the bulb lights up, the glow plug is functioning properly. 3. Check all glow plugs and replace any that are faulty. Figure 18: Glow plugs. ONL844T4E 3/18... -
Page 28: Booster Batteries
100 hours. Clean corrosion with a water and baking soda solution. Flush with clean water. Tighten terminals and grease them to inhibit corrosion. 3. Check the battery condition with a hydrometer every 250 hours. Figure 19: Battery connections. ONL844T4E 3/18... -
Page 29: Troubleshooting
Faulty connection • Clean and tighten battery and harness plug connections. Sulfated or worn out batteries • Check specific gravity and electrolyte level of each battery. If you cannot correct problems with these procedures, see your Northern Lights dealer. ONL844T4E 3/18... -
Page 30: Engine
• See “Engine Overheats” in next category. Below normal engine temperature • Remove and check thermostat. Improper valve clearance • Reset valves. Best done by dealer. Dirty or faulty injection nozzles • Replace injectors. Best done by dealer. • See your local dealer. ONL844T4E 3/18... - Page 31 • Oil consumption decreases after break in. Crankcase oil too light • Use proper viscosity oil. Oil leaks • Check for leaks in lines around gaskets and drain plug. If you cannot correct problems with these procedures, see your Northern Lights dealer. ONL844T4E 3/18...
- Page 32 Cold engine • Warm up engine to normal operating temperature. Defective thermostat • Remove and check thermostat. Engine injection timing wrong • Contact your dealer. If you cannot correct problems with these procedures, see your Northern Lights dealer. ONL844T4E 3/18...
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Page 33: Wiring Diagrams Ac Electrical
AC Wiring Diagram ONL844T4E 3/18... - Page 34 AC Wiring Diagram ONL844T4E 3/18...
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Page 35: Dc Electrical
DC Wiring Diagram ONL844T4E 3/18... -
Page 36: Panel Diagrams
Panel Wiring Diagram ONL844T4E 3/18... - Page 38 4420 14th Ave. NW., Seattle WA 98107 Tel: (206) 789-3880 • 1-800-762-0165 • www.northern-lights.com Northern Lights and Lugger are registered trademarks of Northern Lights, Inc. © 2017 All rights reserved. Litho USA.
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