Northern Lights M673L2 Operator'S Manual Download Page 11

OM673L2   08/05

11

 

SERvIcE

 

 

 

 

 

50 

250 

500 

1000 

2400

 

POINT

  PAgE  OPERATION 

 

dAILy 

hours 

hours 

hours 

hours 

hours

 

 

 

ENgINE:

 

SP1 

11 

Check oil level 

 

  SP2 

11 

Change engine oil 

1) 

 

5) 

 

  SP3 

11 

Change lube oil filters 

1) 

 

5) 

 

  SP4 

12 

Check air cleaner 

1) 4) 5) 

 

 

 

 

  SP5 

12 

Check V-belt tension 

1) 4) 

  SP6 

12 

Check valve clearances 

1) 2) 5) 

 

 

 

 

 

 

 

fUEL SySTEM:

  SP7 

13 

Check primary filter (Racor) 

2) 3) 

  SP8 

13 

Change primary filter element (Racor) 

2) 3) 

 

 

 

  SP9 

13 

Change secondary fuel filter 

1) 3) 

 

 

 

  SP10 

14 

Bleed the fuel system 

3)

  SP11 

15-16 

Check injectors 

1) 3) 6) 

 

 

 

 

  SP12 

16 

Check fuel injection pump 

7) 

 

 

 

 

 

 

 

 

cOOLINg SySTEM:

  SP13 

16 

Check cooling water level 

 

  SP14 

17 

Check and flush cooling system 

 

 

 

 

 

  SP15 

17 

Check and clean heat exchanger  

 

 

 

 

 

 

  SP16 

17 

Change impeller in raw water pump  

1) 3) 

 

 

 

 

 

   

  SP21 

 

Inspect condition of exhaust elbow 

4) 

 

 

 

 

 

 

 

 

 

ELEcTRIcAL SySTEM:

  SP17 

18 

Check electrolyte level in batteries 

1) 4) 

 

  SP18 

18 

Check condition of batteries with hydrometer  1) 4) 

 

 

 

 

 

 

 

OUT Of SERvIcE:

  SP20 

18 

Winterizing or out-of-service 

3)

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

  SP7 

Check primary fuel filter

  SP13 

Check cooling water level

   

Check sea strainer (marine only)

AfTER fIRST 50 hOURS:

  SP2/3 

Change engine oil and filter

  SP5 

Check V-belt tension

  SP6 

Adjust valves

  SP18 

Check electrolyte in batteries 

   

EvERy 250 hOURS:

  SP2/3 

Change engine oil and filter

  SP4 

Check air cleaner

  SP8 

Change primary fuel filter element

  SP18 

Check electrolyte in batteries

 

SP19 

Check state of charge of batteries

 

EvERy 500 hOURS:

 

SP3 

Change engine oil filter 

  SP8 

Change primary fuel filter element

  SP9 

Change secondary fuel filter 

  SP21  I

nspect condition of exhaust elbow

EvERy 1000 hOURS:

  SP4 

Check air cleaner

  SP6 

Check valve clearances

  SP11 

Check injectors

  SP14 

Check and flush cooling system

  SP16 

Change impeller in raw water pump

EvERy 2400 hOURS:

  SP12 

Check fuel injection pump

  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 first 50 hours, then at 100 hours, then every 250 hours.

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.

Servicing Schedule chart

Summary of Contents for M673L2

Page 1: ...OM673L2 For Models M673L2 and M673LD2 OPERATOR S MANUAL Marine Generators Marine Diesel Engines Land Based Generators...

Page 2: ...eproductive harm CALIFORNIA Proposition 65 Warning Northern Lights 4420 14th Avenue N W Seattle WA 98107 Tel 206 789 3880 Fax 206 782 5455 Copyright 2005 Alaska Diesel Electric Inc All rights reserved...

Page 3: ...elts 14 Valve Clearances 14 Servicing continued Fuels General 15 Fuel Filters 15 Bleeding the Fuel System 16 Injector Service 17 18 Injection Pump 18 Cooling System General 18 Cooling System Flushing...

Page 4: ...ly Introduction M Northern Lights marine generator set Model number of engine block Bore Cylinders 67 mm 3 Serial Numbers ModelS INCLUDED This manual covers the operating instructions for M673L2 and M...

Page 5: ...servicing fuel system Keep your hands feet hair and clothing away from power driven parts Check for any loose electrical connections or faulty wiring Engines should be operated only by knowledgeable...

Page 6: ...l Lift Pump 22 Sea Water Pump 8 Generator End Cover 9 Vibration Mount 10 Starter Motor 11 DC Regulator 12 DC Alternator 13 Belt Guard 14 AVR Circuit Breaker 15 AC Circuit Breaker 23 Lube Oil Drain 24...

Page 7: ...er the engine starts release the switch and it will return to RUN position To stop the engine hold the switch in the STOP position Note The rocker switch is used on Series 1 panels only and has a ligh...

Page 8: ...L PRESSURE GAUGE Shows the oil pressure in the engine lubricating system 3 HOUR METER Keeps track of engine running time 4 ENGINE TEMPERATURE GAUGE Registers the temperature of the coolant 5 D C VOLTM...

Page 9: ...ruined starting 1 Hold the Shutdown 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 2 While holding...

Page 10: ...the temperature rises above 205 F 96 C Repeat troubleshooting 3 If shutdown is activated and the temperature gauge shows temperature within normal temperature range a Check the engine crankcase oil le...

Page 11: ...gine SP7 Check primary fuel filter SP13 Check cooling water level Check sea strainer marine only AFTER FIRST 50 HOURS SP2 3 Change engine oil and filter SP5 Check V belt tension SP6 Adjust valves SP18...

Page 12: ...Check condition of batteries with hydrometer EVERY 500 HOURS SP3 Change lubricating oil filters SP8 Change primary filter element Racor SP9 Change secondary fuel filter SP14 Check and flush cooling s...

Page 13: ...l every 100 hours or six weeks whichever comes first 4 Change oil at any seasonal change in temperature when a new viscosity of oil is required 5 Change oil when engine is warm 6 Dispose of waste oil...

Page 14: ...e after the cylinder head bolts have been re tightened Engine should be cold and NOT running 3 To bring the No 1 cylinder to top dead center in the compression stroke align the timing mark the top mar...

Page 15: ...Avoid storing fuel for long periods of time c Fill the fuel tank at the end of each day s operation This will reduce condensation SP7 9 FUEL FILTERS 1 Your generator set should have a primary fuel fil...

Page 16: ...immediately 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 an...

Page 17: ...jectors Start engine and check for leaks using a piece of paper or cardboard DO NOT use hand to check for leaks SP12 Injection pump 1 Since operating conditions may vary considerably it is difficult t...

Page 18: ...4 Remove delivery lines Figure 15 Cover lines inlets and injection pump outlets Figure 16 Remove return line nuts Figure 18 Unscrew injector Figure 19 Remove and replace copper sealing washer Figure 2...

Page 19: ...ater pump impeller every 1000 hours or as needed 2 Remove the pump end cover Pry out the impeller using needle nose pliers or two screwdrivers Be sure you remove all pieces of failed impeller NOTE Pla...

Page 20: ...heck electrolyte level every 50 hours or once per month Add distilled water to manufacturer s recommended level 2 Batteries cables and cable terminals should be checked and cleaned every 100 hours Cle...

Page 21: ...e regulator AVR located in the control box Figure 25 Item 2 GENERATOR Figure 24 1 Stator Core 2 Stator Coil 3 End Cover 4 Brush 5 Ball Bearing 6 Slip Ring 7 Frame 8 Coupling Plate 9 Field Coil 10 Fiel...

Page 22: ...rol terminal board to 240 Figure 28 Figure 28 Control Terminal Board 240 Volt Output b Connect U2 to V1 on the output terminal board Figure 29 Figure 29 Output Terminal Board 240 Volt Output 3 120 240...

Page 23: ...ng voltage output c Wiping is the only effective method for removing dust and foreign materials Use a clean lint free piece of cloth 3 If the generator has not been operated for an extended period of...

Page 24: ...er of the generator b Brush assembly is white plastic with two wires leading to it It is located at ten o clock and is held in position by two screws Figure 34 Remove the screws and unplug leads Figur...

Page 25: ...n 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 battery output B...

Page 26: ...Runs Irregularly Below normal engine temperature Remove and check thermostat or Stalls Frequently Clogged primary or secondary Clean or replace primary filter element fuel filter element replace secon...

Page 27: ...if necessary Engine Knocks Insufficient oil Call your dealer Injection pump out of time Call your dealer Below normal engine temperature Check your thermostats Check water temperature to see if tempe...

Page 28: ...Oil leaks Check for leaks in lines around gaskets and drain plug Engine Emits Black Clogged or dirty air cleaner Service air cleaner or Gray Exhaust Smoke Defective muffler Have dealer check back pre...

Page 29: ...in 434 mm 434 mm Length 27 1 in 27 1 in 688 mm 688 mm Cooling System Approximate Cooling System Capacity 5 gal 5 gal 2 ltr 2 ltr Minimum Through Hull Diameter 0 75 in 0 75 in 19 mm 19 mm Raw Water Pum...

Page 30: ...OM673L2 08 05 30 AC Wiring Diagrams Wiring diagrams are subject to change without notice AC Engine Wiring Diagram 120 240 Volts AC Drawing B 6103F...

Page 31: ...OM673L2 08 05 31 AC Wiring Diagrams Wiring diagrams are subject to change without notice AC Engine Wiring Diagram 240 Volts AC Drawing B 6104E...

Page 32: ...OM673L2 08 05 32 AC Wiring Diagrams Wiring diagrams are subject to change without notice AC Engine Wiring Diagram 120 Volts AC Drawing B 6105C...

Page 33: ...OM673L2 08 05 33 DC Wiring Diagrams Wiring diagrams are subject to change without notice DC Engine Wiring Diagram 12 Volts DC Standard Ground Drawing B 6102H...

Page 34: ...OM673L2 08 05 34 DC Wiring Diagrams Wiring diagrams are subject to change without notice DC Engine Wiring Diagram 12 Volts DC Isolated Ground Drawing B 8247...

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