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Northern Lights NL843NW3 Operator's Manual

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ONL843NW3
For Model: NL843NW3
OPERATOR'S MANUAL
Marine Generators | Marine Diesel Engines | Land-Based Generators

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Summary of Contents for Northern Lights NL843NW3

  • Page 1 ONL843NW3 For Model: NL843NW3 OPERATOR’S MANUAL Marine Generators | Marine Diesel Engines | Land-Based Generators...
  • Page 2 This label is to state: LOW OR 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.

  • 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 ONL843NW3 11/13...

  • Page 4: Introduction

    This manual covers the operating instructions for: NL843NW3 industrial generator set My Northern Lights generator set MODEL number is: Fill in the model number of your unit in the blank space provided. This will give you a reference whenever service or maintenance is required:...

  • Page 5: Warranty

    Northern Lights dealer or the factory. operated or maintained. To prevent accidents be aware of potential dangers and act safely.
  • Page 6 Added 2-1-12 Safety Rules ALWAYS STOP ENGINE BEFORE FUELING authorized hearing protection, such as earmuffs or MACHINE. Always fill plugs to protect against loud noises. portable fuel tank outdoors. Never fuel a hot engine. Operating equipment requires the full attention of the operator.
  • Page 7 Use a volt-meter or hydrometer. chemicals that may be used with Northern Lights Frozen batteries may explode if charged. Never products are lubricants, charge a battery that has not been allowed to warm to coolants, paints and at least 16 o C (60 o F).
  • Page 8 Added 2-1-12 Safety Rules (Continued) Contact your Northern Lights dealer or Northern Slowly loosen cap to relieve pressure before opening Lights factory for MSDS’s used on Northern Lights fully. products. Avoid High Pressure Fluids Work in Well Ventilated Areas Relieve pressure prior to...
  • Page 9 Inhaling asbestos fibers may cause lung cancer. always use the correct sized tools. Do not use US Avoid breathing any dust that may be generated measurement tools on metric fasteners, or vice versa. Use only service parts that meet Northern Lights when handling components containing specifications.
  • Page 10 Industrial Generator Component Locations Figure 2A and 2B: NL843NW3 1. Control Panel Plug-in 7. Oil Fill 13. Fuel Inlet Line 19. Fuel Filter 2. Generator Plate 8. Fuel Injector 14. Fuel Return Line 20. Coolant Temperature 3. Generator Junction Box 9.

  • Page 11: Control Panels

    Control Panels 1. SHUTDOWN BYPASS-PREHEAT SWITCH Two functions are built into this switch: the preheating of the engine, and bypassing of the engine safety shutdown circuit. Hold switch in the ON position 10 - 20 seconds before starting the engine, and continue holding on during engine cranking.

  • Page 12: Operating Procedures

    Operating Procedures BREAK-IN PERIOD STARTING 1. The first 100 hours on a new or reconditioned 1. Hold the Shutdown Bypass-Preheat switch in the engine are critical to its life and performance. ON position for about 10 seconds before starting a 2.

  • Page 13: 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 14: Servicing Schedule Chart

    Servicing Schedule Chart The Servicing Schedule Chart below shows the service schedule required for proper maintenance of your generator set. More detailed coverage of each Service Point (SP) is listed on the page noted in the ‘page’ column. DAILY: EVERY 500 HOURS: Check oil level in engine Change primary fuel filter element Check V-belt tension...
  • Page 15 Service Record Notes ONL843NW3 11/13...

  • Page 16: Servicing

    9. Refill engine with recommended oil for the season. 10. Engine capacity with new oil filter is: Figure 4: Lube Oils NL843NW3 – 1.6 gallons (6 liters) 4. Some increase in oil consumption may be SP3. CHANGING LUBE OIL FILTER expected when SAE 5W and SAE 5-20W oils are used.

  • Page 17: Servicing (Continued)

    SP4. AIR CLEANER 1. Inspect air cleaner every 250 hours. In dusty conditions, check more often. 2. Replace if necessary. Part number is: NL843NW3 ( ) – #24-27302 element only 3. NOTE: Make absolutely sure no impurities enter Figure 6: Valve Adjustment the engine while changing the element.

  • Page 18: Fuels - General

    Then, tighten it fuel conditioner is recommended. The petroleum part two-thirds of a turn by hand. Do not overtighten. of the biodiesel blend must meet ASTM D975 or EN590 b. Secondary fuel filter cartridge part number is: NL843NW3 – #24-52020 ONL843NW3 11/13...

  • Page 19: Bleeding The Fuel System

    If injured by escaping fuel, see a doctor at once. Serious infection or reaction can develop if proper medical treatment is not administered immediately. Figure 9: NL843NW3 Fuel System (for illustration purposes). 1. The fuel system is self-bleeding. However, any 3.
  • Page 20 Servicing Figures 10-17: For illustrative purposes only, may not be exact model. Figure 10: Remove delivery line flare nuts. Figure 14: Remove return line. 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.

  • Page 21: Injector Service

    1. Injectors should be checked every 1000 hours. is difficult to give a definite interval for checking the Check should be made by a Northern Lights dealer injection pump. But as a rule, pump settings, or local injection repair station.

  • Page 22: Cooling System Flushing

    Manual. If you do not have one of these manuals, specifications, the water must be softened before it is contact your local Northern Lights dealer. used to make coolant solution. ELECTRICAL SYSTEM - GENERAL SP13. CHECK THE COOLANT LEVEL 1.

  • Page 23: Booster Batteries

    revised 11-8-13 Servicing SP 18-19. BATTERY CARE 3. Check all glow plugs and replace any faulty ones. 1. Check electrolyte level daily. Add distilled water to manufacturer’s recommended level. 2. Batteries, cables and cable terminals should be checked and cleaned every 100 hours. Clean corrosion with a water and baking soda solution.

  • Page 24: 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. ONL843NW3 11/13...

  • Page 25: Engine

    Troubleshooting ENGINE PROBLEM POSSIBLE CAUSE RECOMMENDATION(S) Engine Hard to Start Improper starting procedure • See starting section of this manual. Take or Will Not Start special note of Bypass Switch operation. No fuel • Check level of fuel in fuel tank. Low battery output •...
  • Page 26 • 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. ONL843NW3 11/13...
  • Page 27 White Smoke Cold engine • Warm up engine to normal operating temperature. Defective thermostat • Remove and check thermostat. Injector timing wrong • See your dealer. If you cannot correct problems with these procedures, see your Northern Lights dealer. ONL843NW3 11/13...

  • Page 28: Nl843Nw3

    NL843NW3 Data NL843NW3 Kilowatt Rating Prime 12 kW 10 kW Rated RPM/Frequency 1800/ 60Hz 1500/ 50 Hz General Information Engine Type Lugger 4 cycle, swirl chamber diesel Cylinders Inline 3 Displacement 91 in (1.5 liters) Cycles Bore x Stroke 3.3 x 3.54 in (84 x 90 mm)

  • Page 29: Wiring Diagram

    Revised 2-1-12 Wiring Diagram ONL843NW3 11/13...
  • Page 30 Added 2-1-12 Wiring Diagram ONL843NW3 11/13...
  • Page 31 Revised 2-1-12 Wiring Diagram ONL843NW3 11/13...
  • Page 32 Added 2-1-12 Wiring Diagram ONL843NW3 11/13...
  • Page 33 Added 2-1-12 Wiring Diagram ONL843NW3 11/13...
  • Page 35 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. © 2013 All rights reserved. Litho USA.

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