Servicing Schedule Chart - Northern Lights OM844W3 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 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
SERVICE
PAGE OPERATION
POINT
ENGINE:
SP1 12 Check oil level
SP2 12 Change engine oil
SP3 12 Change lube oil fi lters
SP4 13 Check air cleaner
SP5 13 Check V-belt tension
SP6 13 Check valve clearances
FUEL SYSTEM:
SP7 14 Check primary fi lter (Racor)
SP8 14 Change primary fi lter element (Racor)
SP9 14 Change secondary fuel fi lter
SP10 15 Bleed the fuel system
SP11 16 - 17 Check injectors
SP12 17 Check fuel injection pump
COOLING SYSTEM:
SP13 17 Check coolant level
SP14 18 Check and fl ush cooling system
SP15 18 Check and clean heat exchanger
SP17 18 Change impeller in raw water pump
 SP22
Inspect condition of exhaust elbow
ELECTRICAL SYSTEM:
SP18 19 Check electrolyte level in batteries
SP19 19 Check condition of batteries with hydrometer
DRIVEN EQUIPMENT:
SP20 19 Clutch and PTO service
OUT OF SERVICE:
SP21 19 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 fi rst 50 hours, then at 100 hours, then at every 250 hours.

Servicing Schedule Chart

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:
SP4
Change air cleaner element
SP6
Check valve clearances
SP11 Check injectors
SP17 Change impeller
EVERY 2500 HOURS:
SP12 Check fuel injection pump
SP14 Check and fl ush cooling system
SP15 Check and clean heat exchanger
DAILY
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1) 5)
1) 5)
1) 4)
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1) 2)
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2) 3)
2) 3)
1) 3)
3)
1) 3) 6) 7)
7)
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1) 3)
4)
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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.
OM844W3 5/11
14
50 250 500
Hours Hours Hours
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1000 2500
Hours Hours
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