Sears 917.25545 Lawn Mower User Manual


 
CUSTOMER RESPONS BnL T ES
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 air intake screen,
cooling fins, and other external surfaces of the engine are
kept clean 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
reinstalled.
NOTE: Operating the engine with a blocked air intake
screen, dirty or plugged cooling fins, and/or cooling shrouds
removed, will cause engine damage due to overheating_
ENGINE OIL FILTER (See Fig. 17)
Replace the engine oil filter every season or every other oil
change if the tractor is used more than 100 hours in one
year.
Drain oil from engine crankcase ( See "TO CHANGE
ENGINE OIL" through step remove drain plug).
o Remove oil filter drain plug located at base of oil filter
adapter. Allow oil filter to drain.
Remove oil filter' and wipe off filter' adapter. Reinstall oil
filter drain plug_
° Apply a thin coating of new engine oil to the rubber
gasket on replacement oil filter.
° Install replacement oil filter on filter adapter. Turn oil
filter clockwise until rubber gasket contacts the filter
adapter, then tighten filter an additional 1/2 turn.
Fill crankcase with new oil ( See "TO CHANGE EN-
GINE OIL" in this section of this manual). For approxi-
mate capacity see "PRODUCT SPECIFICATIONS" on
page 3 of this manual
Start the engine and check for oil leaks. Correct any
leaks before placing engine into full operation.
OIL FILTER
I
OIL FILTER
MUFFLER
Inspectand replace corroded muffler and spark arrester (if
equipped) as it could create a fire hazard and/or damage,
SPARKPLUGS
Replace spark plugs at the beginning of each mowing
season or after every 100 hours of use, whichever comes
first. Spark plug type and gap setting are shown in
"PRODUCT SPECIFICATIONS" on page 3 of this manual.
IN-LINE FUEL FILTER (See Fig. 18)
Fuel filter should be replaced once each season. Iffuel filter
becomes clogged, obstructing fuel fl0w to carburetor, re-
placement is required.
o With engine cool, remove filter and plug fuel line
sections.
° Place new fuel filter in position in fuel line with arrow
toward carburetor_
o Be sure there are no fuel line leaks and clamps are
properly positioned.
° Immediately wipe up any spilled gasoline_
CLAMP
FUEL FILTER /
FIG. 18
CLEANING
IMPORTANT: FOR BEST PERFORMANCE, KEEP
MOWER HOUSING FREE OF BUILD-UP, GRASS AND
TRASH CLEAN UNDERSIDE OF MOWER HOUSING
AFTER EACH USE
o Clean engine, battery, seat, finish, etc_ of all foreign
matter.
° Keep finished surfaces and wheels free of all gasoline,
oil, etc.
° Protect painted surfaces with automotive type wax.
We do not recommend using a garden hose to clean your'
unit unless the electrical system, muffler, air filter' and
carburetor are covered to keep water' out. Water in engine
can result in a shortened engine life
FIGo17
18