Craftsman 917.3773 manual Customerbilities, Engine, Muffler, Cleaning

CUSTOMERBILITIES

ENGINE

LUBRiCATiON

Use onty high quality detergent oil rated with API service classification SF or SG. Select the oit'sSAE viscosity grade according to your expected operating temperature.

SAE VISCOSITY GRADES

.20 _		0 o	30 ° 32_ 40 °	609	80 °	100 °
I C .30 °	.20 °	.i0 °	0 o	10_	20_	30 •
TEMPERATURE		RANGE	ANTICIPATED	BEFORE	NEXT OIL	CHANGE

NOTE: Although multi-viscosity oils (5W30, 10W30 etc.) improve starting in cold weather, these multi-viscosity oils wil! result in increased oi! consumption when used above 32'_F.Check your engine oil level more frequently to avoid possible engine damage from running low on oil.

Change the oil after the first two hours of operation and every 25 hours thereafter or at least once a year if the lawn mower is not used for 25 hours in one year,

Check the crankcase oil level before starting the engine and after each five (5) hours of continuous use. Tighten oil p!ug securely each time you check the oil level.

TO CHANGE ENGINE OiL (See Fig, 12)

NOTE: Before tippmg lawn mower to drain oil, drain fuel tank by running engine until fuel tank is empty.

Disconnect spark plug wire from spark plug and place w_rewhere t cannot come in contact with spark plug.

•Remove engine oil cap; lay aside on a clean surface.

=Tip lawn mower on its side and drain oil into a suitable container. Rock Iawn mower back and forth to remove any oiJ trapped inside of engine.

=Wipe off any spilled oil on lawn mower and on side of engine,

•Fill engine with oil. Fill only to the "FULL" line on the dipstick. DO NOT OVER FILL.

Replace engine o_1cap.

=Reconnect spark plug wire to spark plug.

CONTAINER

FIG. 12

AiR FILTER

Your engine will not run properly and may be damaged by using a dirty air filter.

Replace the air filter every year, more often if you mow in very dusty, dirty conditions. Do not wash air filter.

TO CHANGE AIR FILTER (See Fig. 13)

-Loosen cover screw.

,Swing cover down and remove from hinge. - Pull paper fiiter out of air cleaner body,

= Clean air cleaner cover and body, - Install a new paper filter.

= Reinstall cover to air cleaner body. Be sure hinge is assembled properly.

- Swing cover up and tighten cover screw. (Do not overtighten),

AIR FILTER

COVER

/

COVER

/SCREW

HINGE /

/

PAPER

FILTER

FIG. 13

MUFFLER

Inspect and replace corroded muffler as it could create a fire hazard and/or damage.

SPARK PLUG

Change your spark plug each year to make your engine start easier and run better, Set spark plug gap at .030 inch.

CLEANING

IMPORTANT: FOR BEST PERFORMANCE. KEEP

MOWER HOUSING FREE OF BUILT-UP GRASS AND TRASH. CLEAN THE UNDERSIDE OF YOUR MOWER

AFTER EACH USE.

_1_ from spark plu_ace wire_where !t ! cannot come in contact with the spark

*Turn ;awn mower on its side. Make sure air filter and carburetor are up. Clean the underside of your lawn

mower by scraping to remove build-up of grass and trash.

,Clean engine often to keep trash from accumulating. A clogged engine runs hotter and shortens engine life.

oKeep finished surfaces and wheels free of all gasoline, oit.etc,

We do not recommend using a garden hose tc clean lawn mower unless the electrical system, muffler, air filter and carburetor are covered to keep water out, Water in engine can result in shortened engine life.

CLEAN UNDER DRIVE COVER

Clean under drive cover at beasttwice a season. Scrape underside of cover with putty knife or similar tool to remove any build-up of trash or grass on underside of drive cover.

t4