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  5. Operator's Manual

Northern Lights Lugger OM843NW2 Operator's Manual

Manual is about: For Model: M843NW2

Summary of Lugger OM843NW2

  • Page 2

    Diesel engine exhaust and some of its constitu- ents are known to the state of california to cause cancer, birth defects, and other reproductive harm. — california — proposition 65 warning: northern lights 4420 14th avenue n.W. Seattle, wa 98107 tel: (206) 789-3880 fax: (206) 782-5455 copyright ©200...

  • Page 3: Operator'S Manual

    Om843nw2 10/09 3 read this operator's manual thoroughly before starting to operate your equipment. This manual contains information you will need to run and service your new unit. Proprietary information this publication is the property of northern lights, inc. It may not be reproduced in whole or i...

  • Page 4

    Om843nw2 10/09 4 introduction unit identifi cation servicing of marine engines and generator sets presents unique problems. In many cases boats cannot be moved to a repair facility. Marine engines cannot be compared to the servicing of automobiles, trucks or even farm equipment. Failures often occur...

  • Page 5

    Om843nw2 10/09 5 serial numbers safety rules caution: this symbol is used throughout this book to alert you to possible danger areas. Please take special notice of these sections. A warranty registration certifi cate is supplied with your set. It entitles the original purchaser of our equipment to a...

  • Page 6

    Om843nw2 10/09 6 1. Ac circuit breaker for avr 2. Dc circuit breaker 3. Coolant recovery tank 4. Fuel filter 5. Air filter (inside manifold) 6. Intake manifold 7. Crankcase vent 8. Fuel injector marine generator component locations 16. Oil filter 17. Oil drain 18. Generator set plate 19. Control pan...

  • Page 7

    Om843nw2 10/09 7 control panels figure 3-b: series 3 generator control panel figure 3-a: series 1-b generator control panel figure 3-c: series 4 generator control panel 1. Shutdown bypass-preheat switch two functions are built into this switch: the preheating of the engine, and bypassing of the engi...

  • Page 8

    Om843nw2 10/09 8 break-in period 1. The fi rst 100 hours on a new or reconditioned engine are critical to its life and performance. 2. Frequently check the engine temperature and oil pressure gauges (sets with series 3 or 4 panels). 3. Oil consumption is greater during break-in as piston rings take ...

  • Page 9

    Om843nw2 10/09 9 shutdowns and alarms 1. Your unit is fi tted with a system to protect it from high water temperature or low oil pressure. A. Generator sets have shutdown systems to stop the engine. They have no warning horns. B. Other alarms and shutdowns are available as optional equipment. Note: ...

  • Page 10

    Om843nw2 10/09 10 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: sp1 check oil level in engine sp5 check v-belt tension sp7...

  • Page 11

    Om843nw2 10/09 11 service record notes.

  • Page 12

    Om843nw2 10/09 12 servicing lubrication - general 1. Use only clean, high quality lubricants stored in clean containers in a protected area. 2. These lubricants are acceptable: a. Api service cc/cd/ce single viscosity oils. B. Api service cc/cd/sf multi-viscosity oils. 3. Use the proper weight oil f...

  • Page 13

    Om843nw2 10/09 13 sp4. Air cleaner 1. Inspect air cleaner every 250 hours. In dusty condi- tions, check more often. 2. Marine sets: if dirty, wash element in soapy water. Rinse and dry thoroughly before re-installing. Replace if necessary. Part numbers are: m843n w2 – #24-22009 3. Note: make absolut...

  • Page 14

    Om843nw2 10/09 14 servicing fuels - general 1. Use only clean, high quality fuels of the following specifi cations, as defi ned by astm designation d975 for diesel fuels: a. Use grade no. 2 diesel at ambient temperatures above freezing 32°f (0°c). B. Use grade no. 1 at ambient temperatures below fre...

  • Page 15

    Om843nw2 10/09 15 servicing sp10. Bleeding the fuel system caution: escaping diesel fuel under pressure can penetrate skin causing serious personal injury. Before disconnecting lines be sure to relieve all pressure. Before applying pressure, be sure all connections are tight and lines, pipes and hos...

  • Page 16

    Om843nw2 10/09 16 figure 10: remove delivery line fl are nuts. Figure 11: remove delivery lines. Figure 12: cover lines, inlets and injection pump outlets. Figure 14: remove return line. Figure 15: unscrew injector. Figure 16: remove and replace copper sealing washer. Figure 17: reinstall injector. ...

  • Page 17

    Om843nw2 10/09 17 sp11. Injector service 1. Injectors should be checked every 1000 hours or more often as needed. Check should be made by a northern lights dealer or local injection repair station. Have your dealer check the fuel injection nozzle spray pattern with injection nozzle tester. If the st...

  • Page 18

    Om843nw2 10/09 18 servicing sp14. Cooling system flushing 1. Flush the cooling system every 2500 hours or every 12 months, whichever comes fi rst. 2. Marine sets: a. Remove expansion tank cap and drain engine block. B. Open block drain cock. Remove hose from bottom of heat exchanger tank. C. Pour cl...

  • Page 19

    Om843nw2 10/09 19 glow plugs 1. Each cylinder is supplied with a glow plug which serves to heat the combustion chamber. 2. To check the glow plugs, loosen the current carrying fl at wire between the plus-poles of the glow plugs ( figure 18 ). Connect a d.C. Test bulb between the plus-pole of the bat...

  • Page 20

    Om843nw2 10/09 20 if you cannot correct problems with these procedures, see your northern lights dealer. Troubleshooting dc electrical system problem possible cause recommendation(s) battery will not charge loose or corroded connections • clean and tighten battery connections. Sulfated or worn out b...

  • Page 21

    Om843nw2 10/09 21 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 • c...

  • Page 22

    Om843nw2 10/09 22 troubleshooting engine problem possible cause recommendation(s) lack of engine power (continued) overheated engine • see “engine overheats” in next category. Below normal engine temperature • remove and check thermostat. Improper valve clearance • reset valves. Best done by dealer....

  • Page 23

    Om843nw2 10/09 23 troubleshooting engine problem possible cause recommendation(s) high fuel consumption fuel leakage • improper installation or tightening. (continued) excessive load on engine • check loads. Below normal thermostat not working properly • check thermostat. Engine temperature temperat...

  • Page 24

    Om843nw2 10/09 24 wiring diagrams ac w iring diagram m843nw2, for 12 & 4 lead generators with a vr dst -100-2f ak drawing b-8280e.

  • Page 25

    Om843nw2 10/09 25 wiring diagrams dc w iring diagram m 843nw & m843nw2, 12 v olt standard ground drawing b-8393b.

  • Page 26

    Www.Northern-lights.Com 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. © 2009 all rights reserved. Litho usa..