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  5. Operator's Manual

Northern Lights M843NW3 Operator's Manual

Other manuals for M843NW3: Assembly Instructions Manual
Manual is about: Marine Generators

Summary of M843NW3

  • 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 ©201...

  • Page 3: Operator'S Manual

    Om843nw3 11/13 1 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

    Om843nw3 11/13 2 serial numbers introduction unit identification 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. Failur...

  • Page 5: Warning

    Om843nw3 11/13 3 warranty revised 7-10-13 a warranty registration certificate is supplied with your set. The extent of coverage is described in the limited warranty statement. We recommend that you study the statement carefully. Note: if the warranty is to apply, the servicing instructions outlined ...

  • Page 6: Caution

    Om843nw3 11/13 4 safety rules (continued) revised 3-13-12 operating equipment requires the full attention of the operator. Do not use radio or music headphones while operating machinery. Practice safe maintenance ! Caution understand all service procedures before starting work. Keep area clean and d...

  • Page 7: Warning

    Om843nw3 11/13 5 safety rules (continued) revised 3-13-12 install all safety guards ! Warning direct contact with rotating fans, belts, pulley and drives can cause serious injury. Keep all guards in place at all times during engine operation. Wear close-fitting clothes. Stop the engine and be sure a...

  • Page 8: Caution

    Om843nw3 11/13 6 safety rules (continued) revised 3-13-12 read and understand the msds for each chemical before you start any job that includes it. Follow the procedures and use appropriate equipment exactly as recommended. Contact your northern lights dealer or northern lights factory for msds’s us...

  • Page 9: Warning

    Om843nw3 11/13 7 safety rules (continued) revised 3-13-12 material containing asbestos. Keep all bystanders away from any area where asbestos dust may be generated. Use proper lifting equipment and techniques ! Warning lifting heavy components incorrectly can cause severe injury or damage to machine...

  • Page 10: Caution

    Om843nw3 11/13 8 general policy to avoid dangerous or hazardous situations, refrain from any of the following: • removing or bypassing a guard or other safety device • placing any part of your body in a position where you could be caught by moving machinery. • cleaning or oiling machinery when in op...

  • Page 11

    Om843nw3 11/13 9 notes.

  • Page 12

    Om843nw3 11/13 10 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 pa...

  • Page 13

    Om843nw3 11/13 11 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 18. Generator set plate 19. Control panel plug-in 20...

  • Page 14

    Om843nw3 11/13 12 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 eng...

  • Page 15

    Om843nw3 11/13 13 break-in period 1. The first 100 hours on a new or reconditioned engine are critical to its life and performance. 2. Operate the engine under various conditions, particularly heavy loades with minimal idling, to help seat engine components properly. 3. Frequently check the engine t...

  • Page 16

    Om843nw3 11/13 14 shutdowns and alarms 1. Your unit is fitted 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 17

    Om843nw3 11/13 15 service 50 200 250 500 1000 2400 point page operation daily hours hours hours hours hours hours engine: sp1 10 check oil level • sp2 10 change engine oil 1) 5) • • sp3 10 change lube oil filters 1) 5) • • sp4 11 check air cleaner, change element @ 1000 hrs. 1) 4) • sp5 11 check v-b...

  • Page 18

    Om843nw3 11/13 16 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 19

    Om843nw3 11/13 17 sp4. Air cleaner 1. Inspect air cleaner every 250 hours. In dusty conditions, check more often. 2. Marine sets: if dirty, wash element in soapy water. Rinse and dry thoroughly before re-installing. Replace if necessary. Part number for the element is: m843n w3 – #24-22009 3. Note: ...

  • Page 20

    Om843nw3 11/13 18 servicing fuels - general 1. Use only clean, high quality fuels of the following specifications, as defined 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 freez...

  • Page 21

    Om843nw3 11/13 19 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 22

    Om843nw3 11/13 20 figure 10: remove delivery line flare 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. T...

  • Page 23

    Om843nw3 11/13 21 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 24

    Om843nw3 11/13 22 servicing 2. Here are acceptable water quality specifications: 3. If chlorides, sulfates or total dissolved solids are higher than the above given specification, the water must be distilled, demineralized, or deionized before it is used in a cooling system. 4. If total hardness is ...

  • Page 25

    Om843nw3 11/13 23 installing the battery. 3. If welding on the unit, disconnect the regulator and battery. Isolate the leads. 4. Disconnect the battery cables when servicing the d.C. Alternator. 5. Never test with a screwdriver, etc., against any terminal to see if it emits sparks. 6. Do not polariz...

  • Page 26

    Om843nw3 11/13 24 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 27

    Om843nw3 11/13 25 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 28

    Om843nw3 11/13 26 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 29

    Om843nw3 11/13 27 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 30

    Om843nw3 11/13 28 wiring diagrams ac w iring diagram m843nw3 for 12 & 4 lead generators with avr dst -100-2f ak drawing b-9724c revised 3-13-12.

  • Page 31

    Om843nw3 11/13 29 wiring diagrams ac w iring diagram m843nw3 for 12 lead generators with avr dst -100-2f ak drawing b-9723a revised 3-13-12.

  • Page 32

    Om843nw3 11/13 30 wiring diagrams dc w iring diagram m843nw3 12 v olt standard ground drawing b-9896a revised 3-13-12.

  • Page 33

    Om843nw3 11/13 31 wiring diagrams dc w iring diagram m843nw3 12 v olt isolated ground drawing b-9245 revised 3-13-12.

  • Page 34

    Om843nw3 11/13 32 wiring diagrams dc w iring diagram m843nw3 control panel 12v s-1b drawing a-3170 added 3-13-12.

  • Page 35

    Om843nw3 11/13 33 wiring diagrams dc w iring diagram m843nw3 control panel 12v s-2c drawing a-12572b added 3-13-12.

  • Page 36

    Om843nw3 11/13 34 dc w iring diagram m843nw3 24 v olt standard ground drawing b-9254 wiring diagrams.

  • Page 37

    Om843nw3 11/13 35 dc w iring diagram m843nw3 24 v olt isolated ground drawing b-10294 wiring diagrams revised 9-12-13.

  • Page 38

    Om843nw3 11/13 36 wiring diagrams dc w iring diagram m843nw3 control panel 24v s-1b drawing a-4792 added 3-13-12.

  • Page 39

    Om843nw3 11/13 37 wiring diagrams dc w iring diagram m843nw3 control panel 24v s-2c drawing a-12594b added 3-13-12.

  • Page 40

    Om843nw3 11/13 38 notes.

  • Page 41

    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..