Servicing Schedule Chart - Northern Lights OM944W3 Operator's Manual

The Servicing Schedule Chart below shows the intervals 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:
Inspect for any signs of fuel leaking
SP1 Check oil level in engine
SP7 Check primary fuel filter
SP13 Check cooling water level
Check sea water strainer
AFTER FIRST 50 HOURS:
SP2/3 Change engine oil and filter
SP5 Check V-belt tension
SP19 Check electrolyte level in batteries
AFTER FIRST 100 HOURS:
SP2/3 Change engine oil and filter
EVERY SIX MONTHS:
SP2/3 Change engine oil and filter
SP17 Service/clean siphon break
(if equipped)
SERVICE
PAGE OPERATION
POINT
ENGINE:
SP1 20 Check oil level
SP2 20 Change engine oil
SP3 21 Change lube oil filters
SP4 21 Check or change air cleaner
SP5 21 Check V-belt tension
SP6 22 Check valve clearance
FUEL SYSTEM:
SP7 23 Check primary filter (Racor)
SP8 23 Change primary filter element
SP9 23 Change secondary filter element
SP10 24 Bleed the fuel system
SP11 25 Check injectors
SP12 26 Check fuel injection pump
COOLING SYSTEM:
SP13 27 Check cooling water level
SP14 27 Check and flush cooling system
SP15 28 Check and clean heat exchanger
SP16 28 Change impeller in raw water pump
SP17 28 Service/clean siphon break
SP18 28 Check zinc electrodes
ELECTRICAL SYSTEM:
SP19 29 Check electrolyte level in batteries
SP20 29 Check condition of batteries
OUT OF SERVICE:
SP22 30 Winterizing or out-of-service
1) Perform oil changes every six months, 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.
Updated 1-6-23

Servicing Schedule Chart

EVERY 50 HOURS:
SP5 Check V-belt tension
SP20 Check electrolyte level in batteries
EVERY 100 HOURS:
SP2/3 Change engine oil and filter
SP5 Check V-belt tension
SP20 Check electrolyte level in batteries
EVERY 250 HOURS:
SP2/3 Change engine oil and filter
SP4 Check air cleaner
SP9 Change secondary fuel filter
SP18 Check zinc electrodes
After
50 + 100
DAILY Hours Months Hours
•
1)
1)
2)
3)
2) 4)
•
4) 5)
2) 4) 5)
2) 4) 5)
3)
2) 5) 6)
7)
•
2) 5)
4)
2)
2)
3)
OM944W3 1/23
EVERY 500 HOURS:
EVERY 2000 HOURS or as needed:
SP4
SP15 Check and clean heat exchanger
Every Every Every
6 50 100
Hours
• • • •
• • • •
• •
• •
• •
6) To insure that your engine stays in compliance with applicable EPA
& CARB emission standards, the following additional maintenance proce-
dures & intervals must be maintained.
1500 Hours: Fuel injectors are to be removed & injector tips cleaned.
3000 Hours: Fuel injectors removed for adjustment, cleaning, & repair.
18
SP6 Check valve clearances
SP8 Change primary fuel filter element
SP10 Bleed fuel system
SP11 Check injectors
SP14 Check and flush cooling system
SP16 Change impeller
SP20 Check state of charge of batteries
Change air cleaner
SP12 Check fuel injection pump
SP14 Check and flush cooling system
Every Every Every
250 500 600
Hours Hours Hours
•
•
•
•
•
•
•
•
•
•
•
•
Every
2000
Hours
•
•
•
•
•