Changing Oil Filter; Air Filter; V-Belts - Northern Lights OM944W3 Operator's Manual

SP-3. CHANGING LUBE OIL FILTER
1. Change the lube oil filter every 250 hours.
2. Use a filter wrench to remove old filter. Dispose of
filter in approved manner.
3. Make sure the gasket from the old filter is
removed and discarded. Clean mount face.
4. Spread a thin film of engine oil on the rubber
gasket on the new filter and screw it on nipple
until gasket meets the sealing surface.
5. Using hands only – no wrench – tighten filter
one-half turn farther. Overtightening can do
damage to filter housing.
6. Fill engine with recommended oil. Start engine
and check for leakage. Stop engine, wait 3 minutes,
and check oil level. Add additional oil if necessary.
7. Oil filter part number is:
Model 944W3.......................................#24-01201
SP-4. AIR CLEANER
1. Visually inspect air cleaner every 250 hours. In
dusty conditions, check more often.
2. Remove the plate on the bottom of the air intake
manifold. Remove and inspect the foam element.
If dirty, wash element in soapy water. Rinse and
dry thoroughly before reinstalling.
Note: Make absolutely sure no impurities enter
the engine while changing the element, and
do not run the engine with the air cleaner
removed.
Do not clean the filter with diesel fuel,
solvent, or gasoline. Serious engine damage
can result.
Servicing
SP-5. V-BELTS
1. Check the tension and wear on the V-belt after
every 50 hours.
2. Use your thumb to press on the belt at the
midpoint between the crankshaft and alternator
pulleys. The tension is correct if the belt can be
depressed about .39 to .47 in. (10 - 12 mm) with
22 lbs. (10 kg) force.
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