To Change Engine Oil; Air Filter; Clean Air Screen; Clean Air Intake/Cooling Areas - Craftsman 917.254850 Owner's Manual

TO CHANGE ENGINE OIL (See Fig. !6)
Determine temperature range expected before oil change.
All ol must meet API service classification SG
• Be sure vehicle is on level surface..
o Oil will drain more freely when warm.
= Catch oil in a suitable container°
° Remove oil fll dipstick.. Be careful not to alow dirt to
enter' the engine when changing oil
• Remove drain plug..
o After ol has drained completely, replace oil drain plug
and tighten securely.,
= Refill engine with oil through oil fill dipstick tube° Pour
slowly.. Do not overfi!o For approximate capacity'see
Product Specifications on page 3 of this manual
= Use gauge on oil lilt dipstick for checking level. Insert
dipstick into the tube and rest the oil fil cap on the tube.
Do not thread the cap onto the tube when taking
reading° Keep oil at "FULL" line on dipstick. Tighten
cap onto the tube securely when finished.
COVER KNOB
AIR CLEANER
COVER WING NUT
FOAM
AIR
AIR CLEANER
BASE
AIR CLEANER
PAPER CARTRIDGE OIL FILL
CAP/DIPSTICK
OIL DRAtN
PLUG
AIR FILTER (See Fig.16)
Your engine will not run propedy using a dirty air filer.
Clean the foam pre-cteaner element after every25 hours of
operation or every season., Service paper cartridge every
100 hours or every season, whichever occurs first.
Service air' cleaner more often under dusty conditions.
= Remove knob and cover°
o Remove wing nut and air cleaner from base..
TO SERVICE PRE-CLEANER
= Slidefoam pre-cleaner off cartridge.
. Wash it in liquid detergent and water..
= Squeeze it dry in a clean cloth,
. Saturate it in engine oil.. Wrap it in clean, absorbent
cloth and squeeze to remove excess oil.
TO SERVICE CARTRIDGE
° Gently tap the flat side of the paper cartridge to dis-
lodge dirt. Do not wash the paper cartridge or use
pressurized air, as this will damage the cartridge.,
Replace a dirty, bent, or damaged cartridge..
= Reinstal the pre-cleaner (cleaned and oired) over the
paper cartridge.
o Reassemble air cleaner, wing nut, cover and tighten
knob securely,
CLEAN AIR SCREEN (See Fig, 16)
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 stubborn dried gum
fibers.
CLEAN AIR INTAKE/COOLING AREAS
To insure proper cooling, make sure the grass screen,
cooling fins, and other external surfaces of the engine are
kept dean at all times.
Every 100 hours of operation (more often under extremely
dusty, dirty conditions), remove the blower housing and
other cooling shrouds Clean the cooling fins and external
surfaces as necessary. Make sure the cooling shrouds are
reinstated.
NOTE: Operating the engine with a blocked grass screen,
dirty or plugged cooling fins, and/or cooing shrouds re-
moved, will cause engine damage due to overheating.
FIG, 16
18