Engine oil filter, Air filter, Clean air screen – Craftsman Dlt 3000 917.275820 User Manual
Page 21: Engine cooling system
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Oil Drain Valve
3. Unlock drain valve by pushing inward
slightly and turning counterclockwise.
4. To open, pull out on the drain valve.
5. After oil has drained completely, close
and lock the drain valve by pushing 
inward and turning clockwise until the 
pin is in the locked position as shown.
6. Remove the drain tube and replace the
cap onto the end of the drain valve.
7. Refill engine with oil through oil fill dip
stick tube. Pour slowly. Do not overfill.
For approximate capacity see “PROD
UCT SPECIFICATIONS” section of this 
manual.
8. Use gauge on oil fill cap/dipstick for
checking level. For accurate reading, 
tighten dipstick cap securely onto the 
tube before removing dipstick. Keep oil 
at “FULL’ line on dipstick. Tighten cap 
onto the tube securely when finished.
ENGINE OIL FILTER
Replace the engine oil filter every season 
or every other oil change if the tractor is 
used more than 100 hours in one year.
AIR FILTER
Your engine will not run properly using a 
dirty air filter. Replace pre-cleaner after 
every 25 hours of operation or every 
season. Service paper cartridge every 
100 hours of operation or every season,
whichever occurs first.
Service air cleaner more often under dusty 
conditions.
1. Pull up on air filter cover handle and
rotate towards engine.
2. Remove cover.
3. Carefully remove air filter cartridge and 
pre-cleaner from base.
4. Clean base carefully to prevent debris
from falling into carburetor.
NOTE; If very dirty or damaged, replace 
cartridge.
5. Place new pre-cleaner and cartridge 
firmly in base.
6. Align tabs on cover with slots in blower
housing and replace cover.
7. Hook handle on cover and push down
on handle to close.
IMPORTANT: Petroleum solvents, such 
as kerosene, are not to be used to clean 
the cartridge. They may cause deterio
ration of the cartridge. Do not oil car
tridge. Do not use pressurized air to clean
cartridge.
CLEAN AIR SCREEN
Air screen must be kept free of dirt and
chaff to prevent engine damage from 
overheating. Clean with a wire brush or 
compressed air to remove dirt and stub
born dried gum fibers.
ENGINE COOLING SYSTEM
Debris may clog the engine’s air cool
ing system. Remove blower housing and 
clean area shown to prevent overheating 
and engine damage.
Air Screen
Clean out chaff and debris
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