Craftsman 917986960 rear-tine tiller

User Manual - Page 14

For 917986960.

PDF File Manual, 52 pages, Download pdf file

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_CAUTION: Disconnect spark plug
wire before performing any maintenance
(except carburetor adjustment) to prevent
accidental starting of engine.
Prevent fires! Keep the engine free of
grass, leaves, spilled oil, or fuel. Remove
fuel from tank before tipping unit for main-
tenance. Clean muffler area of all grass,
dirt, and debris.
Do not touch hot muffler or cylinder fins
as contact may cause burns.
ENGINE
LUBRiCATiON
Use only high quality detergent oil rated
with API service classification SG-SL Se-
lect the oil's SAE viscosity grade accord-
ing to your expected temperature.
SAE VISCOSITY GRADES
F -20 0 30 32 40 60 80 100
c -do -_ -1_ o ;o do do 4o
TEMPERATURE RANGE ANTICIPATED BEFORE NEXT OIL CHANGE
NOTE: Although multi-viscosity oils
(5W-30, 10W-30, etc.) improve starting in
cold weather, they will result in increased
oil consumption when used above 32°F
(0°C). Check your engine oil level more
frequently to avoid possible engine dam-
age from running low on oil.
Change the oil after every 50 hours of op-
eration or at least once a year if the tiller is
not used for 50 hours in one year.
Check the crankcase oil level before
starting the engine and after each five (5)
hours of continuous use. Add SAE 30
motor oil or equivalent. Tighten oil filler
plug securely each time you check the oil
level.
TO CHANGE ENGINE OIL
Determine temperature range expected
before oil change. All oil must meet API
service classification SG-SL
Be sure tiller is on level surface.
Oil will drain more freely when warm.
Use a funnel to prevent oil spill on tiller,
and catch oil in a suitable container.
1. Remove drain plug.
2. Tip tiller forward to drain oil.
3. After oil has drained completely,
replace oil drain plug and tighten
securely.
4. Remove oil filler plug. Be careful not
to allow dirt to enter the engine.
5. Refill engine with oil. See "CHECK
ENGINE OIL LEVEL' in the Operation
section of this manual.
Oil
Drain
Plug
Oil Oil Level
Fill
Plug
AiR CLEANER
Service air cleaner cartridge every
twenty-five hours, more often if engine is
used in very dusty conditions.
1. Loosen air cleaner screw.
2. Remove air cleaner cover.
3. Carefully remove air cleaner cartridge.
Be careful. Do not allow dirt or debris
to fall into carburetor.
4. Clean by tapping gently on a flat sur-
face.
NOTE: If very dirty or damaged, replace
cartridge.
5. Clean and replace cover. Tighten
screw securely.
_ILCAUTION: Petroleum solvents, such
as kerosene, are not to be used to clean
cartridge. They may cause deterioration
of the cartridge. Do not oil cartridge. Do
not use pressurized air to clean or dry
cartridge.
Air Cleaner
Cartrid(
Cover
Air
Cleaner
Screw
COOLING SYSTEM
Your engine is air cooled. For proper en-
gine performance and long life keep your
engine clean.
Clean air screen frequently using a
stiff-bristled brush.
Remove blower housing and clean as
necessary,
Keep cylinder fins free of dirt and chaff.
14
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