Engine cooling fins (see fig. 19), Air filter (see fig. 20), Muffler – Sears Craftsman 917.257720 User Manual
Page 18: Spark plugs, Engine oil filter, In-line fuel filter (see fig. 21), Cleaning, Customer responsibilities
Attention! The text in this document has been recognized automatically. To view the original document, you can use the "Original mode".
CUSTOMER RESPONSIBILITIES
CLEAN AIR SCREEN (See Fig. 19)
Air screen must be kept free of dirt and chaff to prevent
engine damage from overheating. Ciean with a wire brush
or compressed air to remove dirt and stubborn dried gum
fibers.
'
ENGINE COOLING FINS (See Fig. 19)
Remove any dust, dirt or oil from engine cooling fins to
prevent engine damage from overheating. Engine blower
housing must be removed. Remove side panels and hood
(See “TO REMOVE HOOD AND GRILLASSEMBLY” in the
Service and Adjustments section of this manual).
AIR FILTER (See Fig. 20)
Your engine will not run properly using a dirty air filter.
Clean the foam pre-cleaner element after every 25 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 wing nut and cover.
•
Remove seal and cartridge plate.
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 dirt. Do not wash the paper cartridge or use
pressurized air, as this will damage the cartridge.
Replace a dirty, bent, or damaged cartridge.
•
Reinstall the pre-cleaner (cleaned and oiled) over the
paper cartridge.
•
Reassemble air cleaner, cartridge plate, and seal.
•
Install the air cleaner cover and wing nut. Tighten wing
nut1/2turnto1 fullturn afternut contacts cover. Do not
overtighten.
MUFFLER ,
Inspect and replace corroded muffler and spark arrester (if
equipped) as it could create a fire hazard and/or damage.
SPARK PLUGS
Replace spark plugs at the beginning of each mowing
season or after every 100 hours of operation, whichever
comes first. Spark plug type and gap setting are shown in
“PRODUCT SPECIFICATIONS” on page 3 of this manual.
ENGINE OIL FILTER
Replace the engine oil filter every season or every other oil
change if the tractor is used more than 100 hours in one
year.
IN-LINE FUEL FILTER (See Fig. 21)
The fuel filter should be replaced once each season. If fuel
filter becomes clogged, obstructing fuel flow to carburetor,
replacement is required.
•
With engine cool, remove filter and plug fuel line
sections.
•
Place new fuel filter in position in fuel line with arrow
pointing towards carburetor.
•
Be sure there are no fuel line leaks and clamps are
properly positioned.
•
Immediately wipe up any spilled gasoline.
18
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 result in a shortened engine life.