Servicing; Lubrication - General; Checking Oil; Oil Changes - Northern Lights M843NW3 Operator's Manual

LUBRICATION - GENERAL

1. Use only clean, high quality lubricants stored in
clean containers in a protected area.
2. These lubricants are acceptable:
a. API Service CC/CD/CE single viscosity oils.
b. API Service CC/CD/SF multi-viscosity oils.
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 12-18-12

Servicing

SP1. CHECKING OIL LEVEL
1. Check the oil level in the crankcase with the dipstick
SP2. OIL CHANGES
1. The set is delivered with special break-in oil.
Multi-
Viscosity
2. Change the oil and filter again at 100 hours using the
SAE 15-40W
SAE 10-30W
3. During intermittent cold weather operation, change
SAE 5-20W
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
9. Refill engine with recommended oil for the season.
10. Engine capacity with new oil filter is:
SP3. CHANGING LUBE OIL FILTER
1. Change the lube oil filter every 200 hours.
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 11/13
16
. The oil level must be in the waffled area
(Fig. 5)
on the stick. Never allow the level to go below this
area. Follow the lubrication recommendations above.
Change the engine oil and oil filter after 50 hours
of operation. Use Service CC 30 weight oil during
the first 100 hours.
oil recommended in the above diagram. After this,
change oil and filter every 200 hours.
oil every 100 hours or six weeks, whichever comes
first.
beginning of each season.
cap. Drain oil. Replace the cap and tube.
843NW3 – 5.8 quarts (5.5 liters)
filter in approved manner.
and discarded. Clean mount face.
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