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ONL753W2 10/09

SHUTDOWNS AND ALARMS

1. Generator sets have shutdown systems to stop the

engine in the event of high water temperature or low
oil pressure.

Other alarms and shutdowns are available as

optional

equipment.

NOTE: Do not rely on your shutdown to the

exclusion of careful gauge monitoring. Watching
your gauges can prevent damage to the unit and
dangerous power losses.

2. Do the following when your warning or shutdown

system is activated:

a. Check the temperature gauge.

Industrial sets:

If above 230°F (110°C), shut

off the engine immediately.

b. Use the Trouble Shooting Guide on page 19 to

isolate the cause of the overheat.

CAUTION: Do not remove the water fi ll
cap of an overheated engine. Escaping high
temperature steam can cause severe burns. Allow
the engine to cool and then remove the cap slowly
using protective clothing.

Make

repairs.

Restart your Industrial set after the temperature

gauge registers below 225°F (107°C).

d. Watch the temperature gauge regularly and

turn off the unit if the temperature rises above

230°F (110°C) on Industrial sets. Repeat trouble

shooting.

3. If shutdown is activated and the temperature gauge

shows temperature within normal temperature range:

a. Check the engine crankcase oil level.

b. If the oil level is low, fi ll with recommended

lubricating oil and restart. Watch the oil pressure

gauge carefully and shut off the engine if it does

not show a normal reading (20-60 PSI) after a

few seconds of operation.

c. If the oil level is normal, DO NOT restart the

engine. Call your dealer for assistance.

SPARE PARTS

1. Northern Lights, Inc. recommends that you keep the

following spare parts on hand for fi eld service. The
parts are available from your local Northern Lights
dealer.

2. All owners should have the following:

a. Primary and secondary fuel fi lter elements

Oil

fi lters

Air

fi lter (industrial units only)

Alternator

belt

e. Thermostat and gaskets

Glow

plug

g. Injector and washer

3. If your set is operating a long distance from a

servicing dealer, add the following:

a. Complete set of injectors

b. Copper washers for injector change

c. Complete set of glow plugs

d. Fuel lift pump

Operating Procedures

Содержание Lugger ONL753W2

Страница 1: ...ONL753W2 For Models NL753W and NL753W2 OPERATOR S MANUAL Marine Generators Marine Diesel Engines Land Based Generators...

Страница 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...

Страница 3: ...12 Checking Oil 12 Oil Changes 12 Changing Oil Filter 12 Air Filter 13 V Belts 13 Valve Clearances 13 Fuels General 14 Fuel Filters 14 Bleeding the Fuel System 15 Injector Service 16 17 Injection Pump...

Страница 4: ...your unit properly Introduction W NL Northern Lights industrial generator set Model number of engine block Bore Cylinders 75 mm 3 Serial Numbers MODELS INCLUDED This manual covers the operating instru...

Страница 5: ...or 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 knowledgeab...

Страница 6: ...7 Starter 1 Junction Box 2 Air Filter 3 Crankcase Vent 4 Lube Oil Fill 5 Coolant Fill 6 Injection Pump 7 Dipstick Figures 2 A and B NL753W 8 Fuel Inlet Return 9 Block Water Drain 10 Oil Filter 11 Fuel...

Страница 7: ...ne Control switches must be in the RUN position during preheating Preheat switch must be held in ON position during starting 2 ENGINE CONTROL SWITCH To start the engine hold this switch in the START p...

Страница 8: ...below this area Always add the same viscosity of oil as is already in the crankcase 3 Check the fuel tank level and open any fuel valves NOTE The battery switch must always be kept ON while the engin...

Страница 9: ...arly and turn off the unit if the temperature rises above 230 F 110 C on Industrial sets Repeat trouble shooting 3 If shutdown is activated and the temperature gauge shows temperature within normal te...

Страница 10: ...AILY SP1 Check oil level in engine SP5 Check V belt tension SP7 Check primary fuel filter SP13 Check coolant level SP18 Check electrolyte in batteries AFTER FIRST 50 HOURS SP2 3 Change engine oil and...

Страница 11: ...ONL753W2 10 09 11 Service Record Notes...

Страница 12: ...r operation change oil 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...

Страница 13: ...after the cylinder head bolts have been re tightened Engine should be cold and NOT running 3 Watch the valves while turning the engine over by hand Turn until the inlet valve starts to open and the ex...

Страница 14: ...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...

Страница 15: ...lf 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 fuel system component has be...

Страница 16: ...flare nuts Figure 8 Remove delivery lines Figure 9 Remove return line nuts Figure 10 Remove return line Figure 11 Unscrew injector Figure 12 Remove and replace copper sealing washer Figure 13 Reinstal...

Страница 17: ...ill lines Tighten lines at injectors 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 c...

Страница 18: ...y 2 In very dusty applications clean the radiator with compressed air or steam cleaner every 100 hours Clean in the reverse direction of the airflow GENERATOR ENDS The maintenance and operation recomm...

Страница 19: ...SP 18 19 BATTERY CARE 1 Check 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 cl...

Страница 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...

Страница 21: ...eck injection nozzles Uneven compression pressure Check cylinder compression pressure between cylinders Engine Runs Irregularly Below normal engine temperature Remove and check thermostat or Stalls Fr...

Страница 22: ...Flush cooling system Defective thermostat Remove and check thermostat Defective temperature gauge Check water temperature with thermometer and replace gauge if necessary Water pump impeller worn broke...

Страница 23: ...ring broken Replace governor spring Low Oil Pressure Low oil level Fill crankcase to proper level Improper type of oil Drain and fill crankcase with correct oil Partially plugged oil filter Replace fi...

Страница 24: ...ONL753W2 10 09 24 Wiring Diagrams 12 Volt DC Engine Wiring Diagram For Northern Lights NL753W NL753W2 with S1 B control pane l Drawing C 5599 Wiring diagrams are subject to change without notice...

Страница 25: ...ONL753W2 10 09 25 AC Engine Wiring Diagram For Northern Lights NL753W2 NL753W Drawing B 8280E Wiring diagrams are subject to change without notice Wiring Diagrams...

Страница 26: ...ONL753W2 10 09 26...

Страница 27: ...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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