Sears 143.974506, 917.38783 owner manual Cleaning, Lubrication, AIR Filter, Muffler, Spark Plug

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CUSTOM ESPONS BL TmES

ENGINE

LUBRICATION

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

SAE VISCOSITY GRADES

°F

.20 _

0 °

30 _

32" 40 °

60 _

805

_00 °

°c ._0o

.2?°

._;o

;o

_oo

20o'.... 3o"

_oo

TEMPERATURE RANGE ANTICIPATED BEFORE NEXT OIL CHANGE

NOTE: Although multi-viscosity oils (5W30, 10W30 etc°) improve starting in cold weather, these multi-viscosity oils wiii result in increased oil 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 plug securely each time you check the oil level,

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,, 11)

oRemove the air filter cover by turning counterclockwise to the stop and pull away from collar

o Remove filter from inside of cover

°Clean the inside of the cover and the collar to remove any dirt accumulation.

o Insert new filter into cover.

oPut air filter cover and filter into coilar aligning the tab with the slot,.

o Push in on cover and turn clockwise to tighten,

COLLAR

COUNTER-

CLOCKWISE

TO REMOVE

SLOT

TO CHANGE ENGINE OIL (See Fig, 10)

NOTE: Before tipping 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 wire where it 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 oil 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 FILLo

Replace engine oil cap,

Reconnect spark plug wire to spark ptugo

CONTAINER

FIG, 10

TAB

URN CLOCKWISE

AIR FILTER COVER TO TIGHTEN

FIGo 1t

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 UNDERSIDE OF MOWER HOUSING AFTER EACH USE,

CAUTION: Disconnect spark plug wire from spark plug and place wire where it cannot come in contact with the spark plug,

°Turn lawn mower on its side Make sure air filter and carburetor are upo 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,

Keep finished surfaces and wheels free of all gasoline, oil, etc.

oWe DO NOT recommend using a garden hose to 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

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Contents REV2 VBL ModelPreparation TrainingMaintenance Agreement Product SpecificationsCustomer Responsibilities TA LE of Contents Maintenance Lawn E AccessoriesTo Install Attachments HOW to SET U P YOU R Lawn MowerTo Remove Lawn Mower from Carton To Unfold Handle See FigCatcher See Figs a thru To Assemble and Attach GrassFIG, 3C FIG, 3AKnow Your Lawn Mower Meets Cpsc Safety RequirementsBefore Starting Engine HOW to USE Your Lawn MowerEngine Speed Engine Zone ControlMowing Tips To Start EngineCusto ER Responsib L Tues Lubrication ChartBefore Each USE LubricationBlade Care TiresTo Sharpen Blade Grass CatcherLubrication CleaningAIR Filter MufflerEngine To Adjust Cutting HeightRear Deflector CarburetorLawn Mower StorageHandle See Fig Fuel SystemLLI === =N MODELNUMBER143.974506 MCR KEY Part NO. no DescriptionNO. no Description KEY Part DescriptionPart Description Problem Troubleshooting PointsCause Correction Owne S UAL For Repair SERVICE, Call this Toll Free NumberEngine Craftsman Model no Part Number Part Description