Northern Lights ONL843NW4 Operator's Manual
  1. Manuals
  2. Brands
  3. Northern Lights Manuals
  4. Inverter
  5. ONL843NW4
  6. Operator's manual

Northern Lights ONL843NW4 Operator's Manual

Marine generator for model: nl843nw4
Hide thumbs
Table of Contents

Advertisement

Quick Links

Download this manual
ONL843NW4
For Model: NL843NW4
OPERATOR'S MANUAL
Marine Generators | Marine Diesel Engines | Land-Based Generators

Advertisement

Table of Contents
loading
Need help?

Need help?

Do you have a question about the ONL843NW4 and is the answer not in the manual?

Questions and answers

Related Manuals for Northern Lights ONL843NW4

Summary of Contents for Northern Lights ONL843NW4

  • Page 1 ONL843NW4 For Model: NL843NW4 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 ONL843NW4 11/13...

  • Page 4: Introduction

    This manual covers the operating instructions for: NL843NW4 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: Safety Rules

    Stop the engine and make sure that or impairment. all moving parts have stopped before making any Wear suitable adjustments, connections, or performing any other type of service to the engine or other driven equipment. ONL843NW4 11/13...
  • 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 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 4. DC Circuit Breaker 10. Injection Pump 17. Fuel Return Line 24. Exhaust Outlet 5. Air Filter 11. Shutdown Solenoid 18. Oil Filter 25. DC Circuit Breaker 6. Crankcase Vent 12. Oil Pressure Sender 19. Fuel Filter 26. S-1B Control Panel ONL843NW4 11/13...

  • Page 11: Control Panels

    Used to check voltage and current of each phase. 10. A.C. AMMETER Shows the generator load on each phase. The phase is selected with the Ammeter Selector switch ( Item 9 Figure 3-C: Series 4 Generator Control Panel ONL843NW4 11/13...

  • Page 12: Operating Procedures

    3. Check the fuel tank level and open any fuel valves. stop. 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 regulator could be damaged. ONL843NW4 11/13...

  • 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

    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 first 100 hours, then every 200 hours. ONL843NW4 11/13...
  • Page 15 Service Record Notes ONL843NW4 11/13...

  • Page 16: 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: NL843NW3 – #24-03100 ONL843NW4 11/13...

  • Page 17: Servicing (Continued)

    No. 1 No. 2 No. 3 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: 843NW3 Valve sequence Figure 5: Timing mark ONL843NW4 11/13...

  • 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: NL843NW4 – #24-52020 ONL843NW4 11/13...

  • Page 19: 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”. ONL843NW4 11/13...
  • Page 20 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. ONL843NW4 11/13...

  • Page 21: Injector Service

    1. Injectors should be checked every 1000 hours. 1. Since operating conditions may vary considerably, it Check should be made by a Northern Lights dealer is difficult to give a definite interval for checking the or local injection repair station.

  • Page 22: Cooling System Flushing

    4. If total hardness is higher than 170 ppm and all other Manual. If you do not have one of these manuals, parameters are within the given contact your local Northern Lights dealer. specifications, the water must be softened before it is used to make coolant solution.

  • Page 23: Booster Batteries

    5. Sealed batteries: See manufacturer charging and all exposed metal surfaces. booster instructions. h. Store the set in a dry, protected place. If the unit must be stored outside, be sure it is well protected with a cover. Figure 19: Battery connections. ONL843NW4 11/13...

  • 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. ONL843NW4 11/13...

  • Page 25: 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. ONL843NW4 11/13...
  • 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. ONL843NW4 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. ONL843NW4 11/13...

  • Page 28: Nl843Nw3

    20 Hp Approximate Dry Weight 757 lbs. (343 kg) Length 46 in (1168 mm) Width 22 in (559 mm) Height 33.13 in (842 mm) Approx. Coolant Capacity 5.5 liter (5.8 quarts) Standard Output, Single Phase 120-240 Volts, 50 Amps ONL843NW4 11/13...

  • Page 29: Wiring Diagram

    Revised 2-1-12 Wiring Diagram ONL843NW4 11/13...
  • Page 30 Added 2-1-12 Wiring Diagram ONL843NW4 11/13...
  • Page 31 Revised 2-1-12 Wiring Diagram ONL843NW4 11/13...
  • Page 32 Added 2-1-12 Wiring Diagram ONL843NW4 11/13...
  • Page 33 Added 2-1-12 Wiring Diagram ONL843NW4 11/13...
  • Page 34 4420 14th Ave. NW., Seattle WA 98107 Tel: (206) 789-3880 • 1-800-762-0165 • Fax: (206) 782-5455 Northern Lights and Lugger are registered trademarks of Northern Lights, Inc. © 2013 All rights reserved. Litho USA. www.northern-lights.com...

Table of Contents