Engine Lubrication; Air Cleaner; Cooling System; To Change Engine Oil - Craftsman 917.299691 Owner's Manual

NTENANCE
Disconnect spark plug wire before performing any maintenance (except carburetor adjustment)
to prevent accidental starting of engine.
Prevent firesl 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 oil 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 tevel before starting the engine
and after each five (5) hours of continuous use. Add SAE
30W motor oil or equivalent. Tighten oil filler plug securely
each time you ch eck the oil level. SAE 5W-30 motor oil may
be used to make starting easier in areas where temperature
is consistently 32 ° F or lower.
TO CHANGE ENGlNE OIL (See Figs. 18 and 19) -
Determine temperature range expected before oil change,
All oii must meet API service classification SG.
, Be sure tiller is on level surface.
• Oit will drain more freety when warm.
• Catch oil in a suitable container.
• Remove drain plug.
• Tip tiller forward to drain oil.
• After oil has drained compfeteiy, replace oil drain plug
and tighten securely.
• Remove oil filler plug. Be careful not to allow dirt to enter
the engine.
• Refill engine with oil,
RECOMMENDED SAE VISCOSITY GRADES
.20° 0o 32 ° 60° 80° I00 °
FIG. 18
FiG, 19
AIR CLEANER (See Fig. 20)
Replace air cleaner cartridge every twenty-five hours, more
often if engine is used in very dusty conditions,
• Loosen air cleaner screws, one on each side of cover,
o Remove air cleaner cover,
. Carefully remove air cleaner cartridge. Be careful. Do not
allo w dirt or debris to fall into carburetor.
. Install new air cleaner cartridge. Clean and replace
cover. Tighten screws securely.
NOTE: Do not attempt to clean or oil the paper cartridge.
AIR
CLEANER
SCREW
COVER
AIR CLEANER
FiG. 20
COOLING SYSTEM (See Fig. 21)
Your engine is air cooled, For proper engine performance
and tong 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.
CYLINDER FINS
MUFFLER
BLOWER
AIR SCREEN
F_G. 21
!4