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LUBRICATION - GENERAL
1. Use only clean, high quality lubricants stored in clean
containers in a protected area.
2. Use the most current API service category diesel rated
oil. Northern Lights recommends the use of multi-
viscosity oil.
3. Use the proper weight oil for your average
operation temperature.
Air
Single
Temperature
Viscosity
Above 32°F
SAE 30W
(0°C)
-10 to 32°F
SAE 10W
(-23 to 0°C)
Below -10°F
SAE 5W
(-23°C)
Figure 4: Lube Oils
4. Some increase in oil consumption may be expected
when SAE 5W and SAE 5-20W oils are used. Check
oil level frequently.
5. Never put additives or flushing oil in crankcase.
Figure 5
Updated 3-17-21
Servicing
SP-1. CHECKING OIL LEVEL
1. Check the oil level in the crankcase with the dipstick
SP-2. OIL CHANGES
1. The set is delivered with special break-in oil.
Multi-
Viscosity
SAE 15-40W
2. Change the oil and filter again at 100 hours using the
SAE 10-30W
SAE 5-20W
3. During intermittent cold weather operation, change oil
4. Change oil at the end of each season and the
5. Change oil when engine is warm.
6. Dispose of waste oil in an approved manner.
7. Never use a flushing oil.
8. Loosen the clamp on the oil change tube. Remove cap.
9. Refill engine with recommended oil for the season.
10. Engine capacity with new oil filter is:
SP-3. CHANGING LUBE OIL FILTER
1. Change the lube oil filter with every oil change.
2. Use a filter wrench to remove old filter. Dispose of
3. Make sure the gasket from the old filter is removed
4. Spread a thin film of engine oil on the rubber gasket
5. Using hands only – no wrench – tighten filter
6. Fill engine with recommended oil. Start engine and
7. Oil filter part number is:
Figure 6
OM843NW3 5/21
16
(Fig. 5). The oil level must be in the waffled area
on the stick. Never allow the level to go below this
area. Follow the lubrication recommendations on this
page (Fig. 4).
Change the engine oil and oil filter after 50 hours
of operation. Use diesel-rated break in oil (John Deere
pre-packaged or equivalent) during the first 100 hours.
Consult your dealer for more information.
oil recommended in Figure 4. After this, change oil
and filter every 200 hours.
every 100 hours or six weeks, whichever comes first.
beginning of each season.
Drain oil. Replace the cap and tube.
843NW3 – 5.8 quarts (5.5 liters)
filter in approved manner.
and discarded. Clean mounting surface.
on the new filter and screw it on nipple until gasket
meets the sealing surface.
one-half turn farther. Overtightening can do
damage to filter housing.
check for leakage. Stop engine, wait 3 minutes, and
check oil level. Add additional oil if necessary.
843NW3 – #24-03100
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