Northern Lights Lugger M843NW2 Operator'S Manual Download 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 

Check primary fuel fi lter

 SP13 

Check coolant level

 

 

Check sea strainer 

 

 

Check raw water pump for leaks

 SP18 

Check electrolyte in batteries

AFTER FIRST 50 HOURS:

 SP2/3 

Change engine oil and fi lter

 

SP6 

Adjust valves

AFTER FIRST 100 HOURS:

 SP2/3 

Change engine oil and fi lter

EVERY 250 HOURS:

 SP2/3 

Change engine oil and fi lter

 SP4

 

Check air cleaner

 

SP19 

Check state of charge of batteries

EVERY 500 HOURS:

 SP8 

Change primary fuel fi lter element

 SP9 

Change secondary fuel fi lter 

   

SP22

   Inspect condition of exhaust elbow

EVERY 1000 HOURS:
 

SP6 

Check valve clearances 

 

SP11 

Check injectors

 

SP17 

Change impeller in raw water pump

EVERY 2500 HOURS:

 SP12 

Check fuel injection pump

 SP14 

Check and fl ush cooling system

 SP15 

Check and clean heat exchanger 

1)  Perform all maintenance once a year even if hour level has not been reached.
2)  Consult manufacturer's maintenance schedule, note on chart.
3) Whenever necessary.
4)  More often if necessary.
5) After fi rst 50 hours, then after 100 hours, then at every 250 hours.

Servicing Schedule Chart

 

SERVICE

    

 

 

50 

250 

500  1000  2500

 

POINT

 

PAGE 

OPERATION 

 

DAILY Hours Hours Hours Hours Hours

 

 

 

ENGINE:

 

SP1 

12 

Check oil level 

 

  SP2 

12 

Change engine oil 

1) 5) 

 

 

  SP3 

12 

Change lube oil fi lters 

1) 5) 

 

 

 SP4 

13 

Check 

air 

cleaner, change element @ 1000 hrs. 1) 4)  

 

 

  SP5 

13 

Check V-belt tension 

 

  SP6 

13 

Check valve clearances 

1) 2) 

 

 

 

 

 

 

 

FUEL SYSTEM:

 SP7 

14 

Check 

primary 

fi lter (Racor) 

2) 3) 

 SP8 

14 

Change 

primary 

fi lter element (Racor) 

2) 

3) 

   

  SP9 

14 

Change secondary fuel fi 

lter 

1) 

3) 

   

  SP10 

15 

Bleed the fuel system 

3)

  SP11 

16 - 17 

Check injectors                                                 1) 3) 6) 7) 

 

 

 

 

  SP12 

17 

Check fuel injection pump 

7) 

 

 

 

 

 

 

 

 

COOLING SYSTEM:

 SP13 

17 

Check coolant level  

 SP14 

18 

Check and fl 

ush 

cooling 

system 

4)       

  SP15 

18 

Check and clean heat exchanger  

 

 

 

 

 

 

 SP17 

18 

Change impeller in raw water pump 

1) 3) 

 

 

 

SP22 

 

Inspect condition of exhaust elbow 

4) 

 

 

 

 

 

 

 

 

 

ELECTRICAL SYSTEM:

  SP18 

19 

Check electrolyte level in batteries 

 

• 

  SP19 

19 

Check condition of batteries with hydrometer 

1) 4) 

 

 

 

 

 

DRIVEN EQUIPMENT:

 SP20 

19 

Clutch and PTO service 

2)

 

 

 

OUT OF SERVICE:

  SP21 

19 

Winterizing or out-of-service 

3)

6) Clean injection nozzles every 1500 hours.
7) 

For EPA emission standards fuel nozzle needs to be cleaned every 

1500 hours, the fuel nozzle and fuel pump need to be cleaned, 
adjusted, or repaired every 3000 hours, and the quality guarantee for 
these parts is 1500 hours or 2 years.

Summary of Contents for Lugger M843NW2

Page 1: ...OM843NW2 For Model M843NW2 OPERATOR S MANUAL Marine Generators Marine Diesel Engines Land Based Generators...

Page 2: ...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 2009 Northern Lights Inc All rights reserved...

Page 3: ...PONENT LOCATIONS M843NW2 Marine Generator 6 CONTROL PANELS 7 OPERATING PROCEDURES Break in Period 8 Before Starting 8 Starting 8 Operating 8 Stopping 8 Shutdowns and Alarms 9 Spare Parts 9 SERVICING S...

Page 4: ...earn about your equipment and its proper maintenance This is not a comprehensive technical service manual Nor will it make the reader into an expert mechanic Its aim is to aid you in maintaining your...

Page 5: ...ng adjustments Operate engines in properly ventilated areas Keep trash and other objects away from engine Escaping fluids under pressure can penetrate your skin Use a piece of cardboard or wood not yo...

Page 6: ...cations 16 Oil Filter 17 Oil Drain 18 Generator Set Plate 19 Control Panel Plug in 20 Fuel Lift Pump 21 Heat Exchanger End Cap 22 Coolant Fill Figure 1 and 2 M843NW2 9 Belt Guard 10 Injection Pump 11...

Page 7: ...it will return to RUN position To stop the engine hold the switch in the STOP position until the engine has completely stopped NOTE The rocker switch is used on Series 1 panels only and has a light th...

Page 8: ...Bypass Preheat switch in the ON position for 10 to 20 seconds before starting a cold engine Holding the switch too long can burn out the glow plugs This step is not necessary if the engine is already...

Page 9: ...mperature rises above 205 F 96 C on Marine units Repeat troubleshooting 3 If shutdown is activated and the temperature gauge shows temperature within normal temperature range a Check the engine crankc...

Page 10: ...necessary 4 More often if necessary 5 After first 50 hours then after 100 hours then at every 250 hours Servicing Schedule Chart SERVICE 50 250 500 1000 2500 POINT PAGE OPERATION DAILY Hours Hours Ho...

Page 11: ...OM843NW2 10 09 11 Service Record Notes...

Page 12: ...ration change oil every 100 hours or six weeks whichever comes first 4 Change oil at the end of each season and the begin ning of each season 5 Change oil when engine is warm 6 Dispose of waste oil in...

Page 13: ...learance after 1000 hours or as needed 2 Valve adjustments should be done after the cylinder head bolts have been re tightened Engine should be cold and NOT running 3 Watch the valves while turning th...

Page 14: ...he end of each day s operation This will reduce condensation and possible biological contamination d If biological contamination is detected or suspected contact your dealer for assistance SP7 9 FUEL...

Page 15: ...ystem 1 The fuel system is self bleeding However any system may need manual bleeding when a A new fuel filter is installed b The engine has run out of fuel c The fuel lines injection pump or any other...

Page 16: ...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 in...

Page 17: ...Install delivery lines Leave loose at injectors for bleeding e Crank engine to fill lines Tighten lines at injectors to 11 18 ft lbs Start engine and check for leaks using a piece of paper or cardboa...

Page 18: ...pieces of failed impeller NOTE Place some kind of protection under the screwdrivers in order not to damage the pump housing If the impeller has broken into pieces remove front heat exchanger end cover...

Page 19: ...ufacturer charging and booster instructions SP 18 19 BATTERY CARE 1 Check electrolyte level daily Add distilled water to manufacturer s recommended level 2 Batteries cables and cable terminals should...

Page 20: ...plug connection Low battery output Check specific gravity of each battery Check electrolyte level of each battery Defective electrical system Repair or replace ground wire Starter Cranks Slowly Low b...

Page 21: ...Runs Irregularly Below normal engine temperature Remove and check thermostat or Stalls Frequently Clogged primary Clean or replace filter element fuel filter element Clogged secondary Replace seconda...

Page 22: ...ystem Defective thermostat Remove and check thermostat Defective temperature gauge Check water temperature with thermometer and replace gauge if necessary Water pump impeller worn broken Check impelle...

Page 23: ...proper level Improper type of oil Drain and fill crankcase with correct oil Partially plugged oil filter Replace filter Check bearings oil pump and relief valve for wear High Oil Consumption Break in...

Page 24: ...OM843NW2 10 09 24 Wiring Diagrams AC Wiring Diagram M843NW2 for 12 4 lead generators with AVR DST 100 2FAK Drawing B 8280E...

Page 25: ...OM843NW2 10 09 25 Wiring Diagrams DC Wiring Diagram M 843NW M843NW2 12 Volt Standard Ground Drawing B 8393B...

Page 26: ...ern 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 L...

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