Servicing Schedule Chart - Northern Lights M843NW3 Operator's Manual

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 filter
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 filter
SP6 Adjust valves
AFTER FIRST 100 HOURS:
SP2/3 Change engine oil and filter
EVERY 200 HOURS:
SP2/3 Change engine oil and filter
SERVICE
PAGE OPERATION
POINT
ENGINE:
SP1 10 Check oil level
SP2 10 Change engine oil
SP3 10 Change lube oil filters
SP4 11 Check air cleaner, change element @ 1000 hrs. 1) 4)
SP5 11 Check V-belt tension
SP6 11 Check valve clearances
FUEL SYSTEM:
SP7 12 Check primary filter (Racor)
SP8 12 Change primary filter element (Racor)
SP9 12 Change secondary fuel filter
SP10 13 Bleed the fuel system
SP11 14 - 15 Check injectors
SP12 15 Check fuel injection pump
COOLING SYSTEM:
SP13 15 Check cooling water level
SP14 16 Check and flush cooling system
SP15 16 Check and clean heat exchanger
SP17 16 Change impeller in raw water pump
SP22 Inspect condition of exhaust elbow
ELECTRICAL SYSTEM:
SP18 17 Check electrolyte level in batteries
SP19 17 Check condition of batteries with hydrometer
DRIVEN EQUIPMENT:
SP20 17 Clutch and PTO service
OUT OF SERVICE:
SP21 17 Winterizing or out-of-service
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 200 hours.
updated page 2-25-13

Servicing Schedule Chart

EVERY 250 HOURS:
SP4
SP19 Check state of charge of batteries
EVERY 500 HOURS:
SP8
SP9
SP22
EVERY 1000 HOURS:
SP6
SP11
SP17
EVERY 2500 HOURS:
SP12 Check fuel injection pump
SP14 Check and flush cooling system
SP15 Check and clean heat exchanger
DAILY
•
1) 5)
1) 5)
•
1) 2)
•
2) 3)
2) 3)
1) 3)
3)
1) 3)
•
1) 3)
4)
•
1) 4)
2)
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.
OM843NW3 11/13
15
Check air cleaner
Change primary fuel filter element
Change secondary fuel filter
Inspect condition of exhaust elbow
Check valve clearances
Check injectors
Change impeller in raw water pump
50 200 250 500
Hours Hours Hours Hours
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1000 2400
Hours Hours
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