Craftsman 917-299751 Owner's Manual page 15

ILmTMES
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 maintenance. Clean muffler area of all grass, dirt and debris.
Do not touch hot muffler or cylinder fins as contact may cause burns.
ENGINE
LUBRICATION
Change the oli after the first two hours of operation and
every 25 hours thereafter or at least once a year if the tiller
is not used for 25 hours in one year.
Check the crankcase oil level before starting the engine
and after each five (5) hours of continuoususe. Add SAE
30 motor oil or equivalent. Tighten oil filler plug securely
each timeyou checktheoillevel, SAE 5W-80 motoroil may
be used to make starting easier in areas where temperature
is consistently 32 ° F ((3°0) or lower.
TO CHANGE ENGINE OIL (See Figs. 18 and 19)
Determinetemperature range expected before oilchange°
All oil must meet API service classificationSG_
m
Q
Q
t
Be sure tiller is on level surface,
Oil wilt drain more freely when warm°
Catch oil in a suitable container°
Remove drain plugo
Tip tiller forward to drain ell,
After oil has drained completely, replace oil drain plug
and tighten securely.
Remove oll filler plugo Be careful not to allow dirt to
enter the engineo
Refill engine with oil. See "CHECK ENGINE OIL
LEVEL in the Operation section of this manual,
RECOMMENDED SAE VISCOSITY GRADES
°F -20"
°C -29 °
0° 32" 600 80° 100°
-18o 0° 16° 27° 38°
FIG. 18
OIL
DRAIN
OIL FILLER
PLUG
AIR CLEANER (See Fig. 20)
Replace air cleaner cartridgeeverytwenty-five hours, more
often if engine is used in very dusty conditions,
. Loosen air cleaner screws, one on each side of cover_
• Remove air cleaner cover_
• Carefully remove air cleaner cartridge. Be careful Do
not allow dirt_ordebris to fall into carburetor.
- Install new air cleaner cartridge. Clean and replace
cover. Tighten screws securely.
NOTE: Do not attempt to clean or oi!the paper cartridge.
AIR
CLEANER
SCREW
COVER
AIR CLEANER
IDGE
FIG. 20
COOLING SYSTEM (See Fig. 21)
Your engine is air cooted. For properengine 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,
CYUNDER FINS
MUFFLER _ /BLOWER
/HOUSING
AIR
/ SCREEN
FIG. 21
FIG. 19 15