Replacement - Sears 917O251550 Owner's Manual

Craftsman lawn mower user manual
Table of Contents

Advertisement

CUSTOMER
................................
, ,,
,, ,,
,,,
CLEAN
AIR SCREEN
(See Fig. 15)
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 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 grass screen,
dirty or plugged cooling fins, and!or cooling shrouds re-
moved will cause engine damage due to overheating_
AIR FILTER (See Fig. 16)
Your engine will not run properly using a dirty air filter°
Clean the foam pre-cleaner after every 25 hours of opera-
tion or every season° Service paper cartridge every 100
hours of operation or' every season, whichever occurs first.
Service air cleaner more often under dusty conditions.
Loosen knob and remove coverL
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
Remove nut and cartridge plate..
Gently tap the flat side of the paper cartridge to dis-
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 i00 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 tile engine oil filter ever,.# season or every otheroil
change if the tractor is used more than 100 hours in one
yearL
IN-LINE FUEL FILTER
(See Fig. 17)
The fuel filter should be replaced once each season. If fuel
filter becomesclogged, obstructingfuel 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 spiffed gasoline.
FIG. 17
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_
Reinstall the pre-cleaner (cleaned and oiled) over the
paper cartridge.
Check rubber seat for damage and proper position
around stud_ Replace if necessary.
Reassemble air cleaner, cartridge plate, and nuL
Reinstall air cleaner cover and secure by tightening
knob.
CARTRIDGE
FOAM
PRE*CLEANER
CARTRIDGE
PLATE
"X,
RUBBER
SEAL
NUT
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 lifeo
FIG. 16
18

Advertisement

Table of Contents
loading

This manual is also suitable for:

Craftsman 917.251550

Table of Contents