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Summary of Contents for Northern Lights M673L2
- Page 1 OM673L2 For Models: M673L2 and M673LD2 OPERATOR’S MANUAL Marine Generators | Marine Diesel Engines | Land-Based Generators...
- Page 2 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. Northern Lights™, and the Northern Lights logo are trademarks of Alaska Diesel Electric, Inc. Printed in U.S.A. PART NO.: OM673L2 08/05...
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Page 3: Table Of Contents
M67L2 Marine Generator .........6 Generator Ends ..........19 Electrical System - General ......19 PANELS Glow Plugs ............20 Northern Lights Generator Sets ....7 - 8 Booster Batteries ..........20 OPERATINg PROcEdURES Battery Care ............. 20 Break-in Period ...........9 Winterizing / Out-of-Service ......20 Before Starting ............9... -
Page 4: Introduction
67 mm 2 - Tier II Compliant M673L2 Northern Lights marine diesel generator set with a 673 engine long stroke, TF-276D generator end, Tier II compliant. M673LD2 Northern Lights marine diesel generator set with a 673 engine long stroke, TF-276D generator end, Tier II compliant, 5 kW. -
Page 5: Warranty
Warranty NOTE: If the warranty is to apply, the servicing A warranty registration certificate is supplied with your set. It entitles the original purchaser of instructions outlined in this manual must be our equipment to a warranty covering material followed. If further information is needed, please or assembly faults. -
Page 6: Component Locations M67L2 Marine Generator
Marine generator component Locations Figure 2: M673L2 Non-Service Side. Figure 3: M673L2 Service Side. 1. Heat Exchanger End Cap 8. Generator End Cover 16. DC Circuit Breaker 23. Lube Oil Drain 2. Coolant Fill 9. Vibration Mount 17. Air Filter Housing 24. -
Page 7: Northern Lights Generator Sets
control Panels 1. ShUTdOWN byPASS-PREhEAT SWITch This switch serves two functions: 1. Preheats fuel before beginning the starting process. Press switch for 10-20 seconds before attempting start-up. 2. Bypasses the safety shutdown feature during the starting process. Keep switch engaged while starting engine, and for 2 to seconds afterwards, allowing oil pressure to build beyond shutdown setpoint. - Page 8 control Panels 1. ShUTdOWN byPASS SWITch Manual Start Panels (S-7.0 and S-7.3) Hold the switch in the on position for approximately 10 to 20 seconds before starting a cold engine. Holding the switch on for too long can burn out the glow plugs.
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Page 9: Operating Procedures
Operating Procedures bREAK-IN PERIOd STARTINg 1. The first 100 hours on a new or reconditioned 1. Hold the Shutdown Bypass-Preheat switch in the ON engine are critical to its life and performance. position for 10 to 20 seconds before starting a cold 2. -
Page 10: Shutdowns And Alarms
1. Generator sets have shutdown systems to stop the engine in the event of hight water temperature or low parts on hand for field service. The parts are available from your local Northern Lights dealer. oil pressure. a. Other alarms and shutdowns are available as Some marine models already have “On-Board-Kits,”... -
Page 11: Servicing Schedule Chart
Servicing Schedule chart 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: EvERy 500 hOURS: Check oil level in engine Change engine oil filter Check primary fuel filter... -
Page 12: Service Record
Service Record Service OPERATION hOURS/dATE Point daily Check V-belt tension SP8 &12 Check oil level SP7 Check primary filter SP13 Check cooling water level 250 hOURS SP2 Change engine oil and filter Check air cleaner SP18 Check electrolyte in batteries SP19 Check condition of batteries with hydrometer EvERy 500 hOURS SP3 Change lubricating oil filters... -
Page 13: Servicing
Servicing LUbRIcATION - gENERAL SP2. OIL chANgES 1. Use only clean, high quality lubricants stored in 1. The set is delivered with special break-in oil. clean containers in a protected area. Change the engine oil and oil filter after 50 hours 2. -
Page 14: Air Filter
Servicing SP4. AIR cLEANER SP6. vALvE cLEARANcES 1. Inspect air cleaner every 250 hours. In dusty 1. Adjust valve clearance every 1000 hours. conditions, check more often. 2. Valve adjustments should be done after the cylinder 2. Inspect the element. If it is dirty, wash the element in head bolts have been re-tightened. -
Page 15: Fuels - General
Servicing fUELS - gENERAL SP7-9. fUEL fILTERS 1. Use only clean, high quality fuels of the following 1. Your generator set should have a primary fuel filter specifications, as defined by ASTM designation installed. We recommend the Racor brand of fuel D75 for diesel fuels: filter-water separators. -
Page 16: Bleeding The Fuel System
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 hoses aren't damaged. Fuel escaping from a very small hole can be almost invisible. -
Page 17: Injector Service
1. Since operating conditions may vary considerably, it more often as necessary. Check should be made by a is difficult to give a definite interval for checking the Northern Lights dealer or local injection repair injection pump. But as a rule, pump settings, station. -
Page 18: Injection Pump
Servicing Figure 13: Remove delivery line flare nuts. Figure 17: Remove return line. Figure 14: Remove delivery lines. Figure 18: Unscrew injector. Figure 15: Cover lines, inlets and injection pump outlets. Figure 19: Remove and replace copper sealing washer. Figure 16: Remove return line nuts. Figure 20: Reinstall injector. torque to proper tightness. OM673L2 08/05... -
Page 19: Cooling System Flushing
Servicing SP14. cOOLINg SySTEM fLUShINg SP16. RAW WATER PUMP 1. Flush the cooling system every 1000 hours or every 1. Change the seawater pump impeller every 1000 12 months, whichever comes first. hours, or as needed. a. Remove expansion tank cap and drain engine 2. -
Page 20: Glow Plugs
Servicing SP 17-18. bATTERy cARE gLOW PLUgS 1. Check electrolyte level every 50 hours or once per 1. Each cylinder is supplied with a glow plug which month. Add distilled water to manufacturer’s serves to heat the combustion chamber for starting. recommended level. -
Page 21: Ac Generator - Tf-276D
Ac generator - Tf-276d gENERAL 1. A Generator Set includes the engine, the generator, and the control or “J” box ( Figure 23 2. The generator and the control or “J” box produce the electrical power. . Generator excitation is provided by activation of the pre-heat circuit and electrical output voltage is controlled by the automatic voltage regulator (AVR) located in the control box (... -
Page 22: Connections
Ac generator - Tf-276d cONNEcTIONS 1. 120 Volt Output: a. 120 volt output can be selected by connecting the terminals of the control terminal board to 120 Figure 26 Figure 29: output terminal Board, 240 Volt output . 120/20 Volt Output a. -
Page 23: Operation
2. Be sure to keep the generator area clean and dry. d. Generator bearing should be replaced by your a. Dust and foreign material may reduce the flow of Northern Lights dealer at 10,000 hours. cooling air, reducing heat dissipation and causing 6. Check the brushes the generator to overheat. - Page 24 Ac generator - Tf-276d 7. Replacing Brushes . Parts: See Parts Book for complete list a. Shut down the generator. Remove four screws a. Bearing and end cover of the generator. Part #22-6805 b. Brush assembly is white plastic with two wires b.
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Page 25: Troubleshooting
• Clean and tighten battery and harness plug connections. Sulfated or worn out batteries • Check specific gravity and electrolyte level of each battery. Dead Battery • Charge battery. If you cannot correct problems with these procedures, see your Northern Lights dealer. OM673L2 08/05... -
Page 26: Engine
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 •... - Page 27 Normal Thermostats not working properly • Check thermostats. Engine Temperature Temperature gauge • Check water temperature with thermometer. not working properly If you cannot correct problems with these procedures, see your Northern Lights dealer. OM673L2 08/05...
- Page 28 Cold engine • Warm up engine to normal operating temperature. Defective thermostat • Remove and check thermostat. Engine out of time • See your dealer. If you cannot correct problems with these procedures, see your Northern Lights dealer. OM673L2 08/05...
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Page 29: Data Sheet Marine
Northern Lights Marine data M673L2 & Ld2 Model: 1800 1500 kW Rating Frequency (Hz) gENERAL INfORMATION Cylinders Displacement 46.4 in 46.4 in (0.761 ltr) (0.761 ltr) Cycle Bore 2.64 in 2.64 in (67 mm) (67 mm) Stroke 2.83 in 2.83 in... -
Page 30: Wiring Diagrams Ac Electrical
Ac Wiring diagrams OM673L2 08/05... - Page 31 Ac Wiring diagrams OM673L2 08/05...
- Page 32 Ac Wiring diagrams OM673L2 08/05...
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Page 33: Dc Electrical
dc Wiring diagrams OM673L2 08/05... - Page 34 dc Wiring diagrams OM673L2 08/05...
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