Northern Lights M944T3F, Operator'S Manual

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OM944F 5/21
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:
Inspect for any signs of fluid leaking
SP1 Check oil level in engine
SP8 Check primary fuel filter
SP14 Check cooling water level
Check sea strainer
AFTER FIRST 50 HOURS:
SP2-3 Change engine oil and filter
SP5 Check V-belt tension
SP19 Check electrolyte level in batteries
EVERY 50 HOURS:
SP5 Check V-belt tension
SP6 Check valve clearances
SP19 Check electrolyte level in batteries
AFTER FIRST 100 HOURS:
SP2-3 Change engine oil and filter
EVERY 250 HOURS:
SP2-3 Change engine oil and filter
SP4 Check air cleaner
SP13 Check turbocharger
SP18 Check zinc electrodes
EVERY 500 HOURS:
SP6 Check valve clearances
SP8 Change primary fuel filter element
SP9 Change secondary fuel filter
SP11 Check injectors
SP14-15 Check cooling system
SP17 Change impeller
SP20 Check battery charge with hydrometer
EVERY 2000 HOURS or as needed:
SP4 Change air cleaner
SP12 Check fuel injection pump
SP16 Check and clean heat exchanger
Servicing Schedule Chart
SERVICE
50 100 250 500 2000
POINT
PAGE OPERATION DAILY Hours Hours Hours Hours Hours
ENGINE:
SP1 18 Check oil level
•
SP2 18 Change engine oil
1, 5
• • •
SP3 19 Change lube oil filters
1, 5
• • •
SP4 19 Check air cleaner
1, 3
• •
SP5 19 Check V-belt tension
1, 5
•
SP6 20 Check valve clearances
1, 5
• •
FUEL SYSTEM:
SP7 21 Check primary filter
2
•
SP8 21 Change primary filter element
1, 2, 3
•
SP9 21 Change secondary fuel filter
1, 3
•
SP10 22 Bleed the fuel system
3
SP11 23 Check injectors
1, 6
•
SP12 24 Check fuel injection pump
3
•
TURBOCHARGER:
SP13 25 Check air, oil, & or leakage
1
•
COOLING SYSTEM:
SP14 26 Check cooling water level
•
SP15 26 Check and flush cooling system
7
•
SP16 27 Check and clean heat exchanger
3
•
SP17 27 Change impeller in raw water pump
1, 3
•
SP18 27 Check zinc electrodes
3
•
ELECTRICAL SYSTEM:
SP19 28 Check electrolyte level in batteries
1, 3
•
SP20 28 Check condition of batteries with hydrometer
1
•
OUT OF SERVICE:
SP21 29 Winterizing or out-of-service
3
1) Perform maintenance once a year even if hour level has not been reached.
2) Consult manufacturer's maintenance schedule, note on chart.
3) Or whenever necessary.
4) Change at 1000 hours.
5) After first 50 hours.
6) Fuel inj. valve opening pressure: 11.77 MPa (120 kgf/cm
2
)
7) Or every 2 years.
8) Valve clearance = .25 mm (0.0098”).
Updated 11-10-20