Sears 917.25049 Lawn Mower User Manual


 
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CUSTOMER NSIBILITIES
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ENGINE COOLING FINS (See Fig. 15)
Remove any dust, dirt or oil from engine cooling fins to
preventengine damage from overheating. Engine blower
housing must be removed. Remove side panels and hood
(See'TO REMOVE HOOD AND GRILL ASSEMBLY" in the
Service and Adjustments section of this manual.)
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AIR SCREEN
COOLING FINS
(BOTH SIDES)
FIG. 15
AIR FILTER (See Fig. 16)
'(our =engine will not run properly using a dirty air filter.
Clean the foam pre-c{eaner after every 25 hours ofopera-
tion or every season. Service paper cartridge every !00
hours of operation or'every'season, whichever occurs first.
@
FIG. 16
ENGINE OIL FILTER
Reptacethe engineoilfilter every season orevery other'oit
change ifthe tractoris used more than 100 hours in one
year_
MUFFLER
Inspectand replacecorroded muffler and spark arrestor (if
equipped) as it could create a fire hazard andtor damage.
SPARK PLUGS
Replace spark plugs at the beginning of each mowing
season or after every 100 hours of operation, whichever
occursfirst. Spark plug type and gap setting are shown in
"PRODUCT SPECIFICATIONS" on page 3 of this manual.
IN-LINE FUEL FILTER (See Fig. 17)
The fuel filtershould be replaced once each season. If fue{
filter becomes clogged, obstructing fuel flow to carburetor,
Service air cleaner more often under dusty conditions,,
o Remove wing nut and cover.
Remove seal and cartridge piate_
TO SERVICE PRE-CLEANER
° Slide foam 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 dirL Do not wash the paper cartridge or use
pressurized air, as this wil! damage the cartridge.
Replace a dirty, bent, or damaged cartridge.
o Reinstall the pre-cleaner (cleaned and oiled) over the
paper cartridge.
Reassemble air cleaner, cartridge plate, and seal.
o install the air cleaner coverand wing nut. Tighten wing
nut 112turn to 1full turn after nut contacts cover, Donot
overtighten.
replacement is required.
With engine cool, remove filter and plug fuel line
sections.
° Place new fuel filter' in position in fuel line with arrow
pointingtowardscarburetor'.
Be sure there are no fuel line leaks and clamps are
properlypositioned.
° Immediately wipe up any spilled gasoline.
FIG, 17
CLEANING
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
tractor unless the electrical system, muffler, air filter and
carburetor are covered to keep water out, Water in engine
can resultin a shortened engine fife.
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