Craftsman 143994018 Owner’s Manual

SEARS

operator's

manual

MODEL NO. 143.994011

4.0 RESERVE POWER

10 INCH CUBIC (163 cc)
DISPLACEMENT

SOLID STATE IGNITION

ENGIN

CAUTION:

Read RULES for

Safe OPERATION

and INSTRUCTIONS

Carefully

[A CalifomiaProposRion65 WARNING: The engine exhaust from this product contains chemicals I

Pdntedin U.S.A. 2-1-99 181-1191-11

known to the State of California to cause cancer, birth defects or other reproductive harm.

Sold by SEARS, ROEBUCK AND CO., CHICAGO, IL 60684 U.S.A.

and SEARS CANADA, INC., TORONTO, ONTARIO, CANADA

• Operating

• Maintenance

• Repair Parts

OIL FILL PLUG AND DIPSTICK

RECOIL STARTER

CAP

I lllllllll+TllliBfl I

MODELAND

O.o.m. DECAL

SPARK PLUG WIRE

SPARK PLUG

THIS SYMBOL POINTS OUT IMPORTANT SAFETY INSTRUCTIONS WHICH IF NOT FOLLOWED COULD ,A_
ENDANGER THE PERSONAL SAFETY ANDIOR PROPERTY OF YOURSELF AND OTHERS. READ AND

FOLLOW ALL INSTRUCTIONS IN THIS MANUAL AND ANY PROVIDED WITH THE EQUIPMENT ON WHICH

THIS ENGINE IS USED BEFORE A'I'rEMPTING TO OPERATING.

STARTER
HANDLE

THESE SYMBOLS MAY APPEAR ON THE ENGINE:

Figure 1

MUFFLER

AIR

CARBURETOR

FUEL

OIL DRAIN

BOTrOM OF ENGINE

DRAIN PLUG

FAST SLOW

ENGINES WHICHARE CERTIRED TO COMPLY WITH CALIFORNIAAND
U.S. EPA EMISSION REGULATIONS FOR ULGE ENGINES: Arecertified

tooperateon regularunleadedgasoline.Includethefollowingemissioncontrol

system(s): Em, TWC (if so equipped); Do notIncludeany useradjustable
features- thereforeno otheradjustmentsareneeded.

OIL & FUEL RECOMMENDATIONS

TO OPERATE ENGINE, YOU WILL NEED THE FOLLOWING;

(_ A CLEAN, HIGH QUALITY, DETERGENT OIL.

Be sure originalcontaineris marked:

A,P.I.service"SP'-"SJ'.

FOR SUMMER (ABOVE 32°F; 0°C) USE SAE 30 OIL.

Using multigredeoil will increaseoilconsumption.

FOR WINTER (BELOW 32°F; 0°C) USE SAE 5W30 OIL.

(SAE 10W isan acceptablesubstitute.)

DO NOT USE SAE 10W40 OIL.
OIL SUMP CAPACITY: 21 ounces (1-1/4 U.S. pints)

.62 liter

(_) A FRESH, CLEAN, UNLEADED REGULAR, UN"

LEADED PREMIUM, OR REFORMULATED AU-

TOMOTIVE GASOLINE ONLY. DO NOT USE

LEADED GASOLINE.

NOTE: DO NOT USE GASOLINE CONTAININGMETHANOL

(WOOD ALCOHOL). Gasolinecontaining upto 10% ethanolor

grain alcohol('Gasehol'), or up to 15% MTBE (MethylTertiary

ButylEther),may be usedbutrequiresspecialcarewhenengine
is unusedfor extendedperiods,

See "STORAGE"instructionsof Page4.
NOTE: Use clean oil and fuel and store in approved,clean

coveredcontainers. Use clean fill funnels.
Never use"stale"gasolineleftoverfrom lastseasonorstoredfor

long periods.

D88

OFF FULL

STOP CHOKE

IMPORTANT

KEEP THIS MANUAL HANDY AT ALL TIMES FOR FUTURE
REFERENCE.READITCAREFULLYANDFAMILIARIZEYOUR-
SELFWITHTHEOPERATING, MAINTENANCE AND SAFETY
INSTRUCTIONS. THIS MANUAL ALSO CONTAINS A COM-

PLETE PARTSLISTING.

BEFORE STARTING

(_ READ ALL INSTRUCTIONS PROVIDED WITH THE EQUIP-

MENT ON WHICH THIS ENGINE IS USED.

(_) CHECK OIL LEVEL:

IMPORTANT: NEVER RUN ENGINE UNLESS_OIL LEVEL IS

BETWEEN "FULL" AND "ADD" MARKS ON

DIPSTICK.

CHECK OIL LEVEL OFTEN DURING ENGINE BREAK-IN.
NEVER RUN ENGINE UNLESS OIL FILL PLUG IS TIGHTENED

SECURELY INTO OIL FILL HOLE.

A. POSITION EQUIPMENT SO ENGINE IS LEVEL.

B. Clean area around oilfi!l_.luq (see Figure 1).
C. Remove oil fillpruganDdipsticK.
D. Wipe dipstickclean, insertitinto oil fill hole and tighten

securely.

E. Remove oilfillplugand check oil level. If leve isnot uP

to=FULL" ma_ ondipstick, add recommended oil, until

itis. POUR SLOWLY. WiDe dipstickcleaneach time oil
level is checked. DO NOT FIL'LABOVE "FULL"MARK

ON DIPSTICK.

F. Replace oilfill plug andtighten securely.

See =MAINTENANCE"sectionforanyfuture oillevelandoil change
instructions(see Page 2).

Page 1 181-1191-11

BEFORE STARTING (Continued)

STOPPING

(_) FILL FUEL TANKwlth 9asotineasspeoitiedinthepreceding

"OIL & FUEL RECOMMENDATIONS" item 2.

NEVER MIX OIL WITH GASOLINE
Neveruse "stale"gasolineleftoverfromlast season or storedfor

long pednds.

d_lL NEVER FILL FUEL TANK INDOORS. NEVER FILL FUEL TANK

WHEN ENGINE IS RUNNING OR HOT. DO NOT SMOKE WHEN

I FILLING FUEL TANK.

,_ NEVER FILL FUEL TANK COMPLETELY. RLL TANK TO 1/2" 1

BELOW BOI"FOMOF RLLER NECKTO PROVIDE SPACE FOR/
FUEL EXPANSION. WIPE ANY FUEL SPILLAGE FROM EN-/
G NE AND EQUIPMENT BEFORE STARTING ENGINE. /

,_ANY UQUERED PETROLEUM (LPG) OR NATURAL GAS FUEL

SYSTEM MUST BE LEAKPROOF AND MEET ALL APPLICA-

I BLE CODES AND REGULATIONS.

(_) CHECK THE FOLLOWING:

_A. BE SURE EQUIPMENT IS IN NEUTRAL GEAR WITH I

CLUTCHES, BELTS, CHAINS AND SAFETY SWITCHES I

DISENGAGED. (FOLLOW EQUIPMENT MANU- I
FACTURER'S INSTRUCTIONS.) THIS SHOULD PLACE

ANY SAFETY SWITCHES IN SAFE STARTING PosmoN.

B. Besure sparkplugwireis attachedtospark plug (sea Figure

t).

STARTING

(_ Move ENGINE CONTROL (seeFigure 1) to STOP.

(_ AFTER ENGINE IS STOPPED:

,_A. DISCONNECT SPARK PLUG WIRE FROM SPARK PLUG

_B. N["VERSTORE ENGINEWITH NJEL INTANKIN_RS OR

/

/_ND ATTACH IT TO RETAINING POST (see Rflure 3).

IN ENCLOSED, POORLY VENTILATED AREAS, WHERE
FUEL FUMES MAY REACH AN OPEN FLAME, SPARK OR
PILOT LIGHT AS ON A FURNACE, WATER HEATER,

CLOTHES DRYER OR OTHER GAS APPUANCE.

ROPE GUIDE

,_ NEVER RUN ENGINE INDOORS ORIN ENCLOSED, POORLY I

VENTILATED AREAS. ENGINE EXHAUST CONTA NS CAR-
BON MONOXIDE, AN ODORLESS AND DEADLY GAS (CAR-

BON MONOXIDE IS ALSO PRESENT IN ENGINE EXHAUST I
FROMUQUID PETROLEUM (LPG) ANDNATURAL GAS FUEL

SYSTEMS).

,_ KEEP HANDS, FEET, HAIR AND LOOSE CLOTHING AWAY

FROM ANY MaY NG PARTS ON ENG NE AND EQU PMENT.

_LWARNING: TEMPERATURE OF MUFFLER AND NEARBY _k WARNING: TEMPERATURE OF MUFFLER AND NEARBY I

AREAS MAY EXCEED 150°F (65°C). AVOID THESE AREAS. _ AREAS MAY EXCEED 150aF(65oC).AVOID THESE AREAS.I

Move ENGINE CONTROL (see Figure 1) to HI Position.

(_ START ENGINE

A. The carburetoronyourengine hasbeen completelyadjusted

at the factory.When starting a coldengine, push redpdmer

bulbfirmly with your thumb 5 tlmea, allowingpdmerbulbto
retum completely to odginal positionbetween pushes. Re-

peatthe above for each starter operation as necessary.
NOTE: DO NOT USE PRIMER TO RESTART A WARM

ENGINE AFTER A SHORT SHUTDOWN.

B. Grasp starterhandle (see Figure2) and pullrope out,slowly,

untilitpullsslightlyharder.Let rope rewindslowly.Then pull
rope witha rapidfullarmstroke. LetroperewindSLOWLY. Do

not let starter handle snap back against rope guide (see
Figure2).

C. Repeat instructionB it necessary, untilengine starts.

NOTE: Ifengine does notstart, repeat instructionsA,B and
C untilit starts.

ENGINE SPEED: Engine speed iscontrolledby the ENGINE CON-
TROL see Figure 1).

ENGINE CONTROL should be in HI positionfor high grasscondi-
tionsandfor most efficientbaggingin heavy grassconditions,end

in LOW positionfor lightgrass, trimmingand for fuel economy. Page 2

RETAINING PC)S'[

Rgure3

MAINTENANCE

(_) CHECK OIL LEVEL:

Checkoilleveleveryfive(5)operatinghoursoreachtime engine

isused.See"¢DCHECK OIL LEVEL"in"BEFORESTARTING"on
Page 1.

_) CHANGE OIL:

Change oil after first two (2) operatinghours end every 25
operating hourstheraatter, more oftenIf operated in extremely
dusty or dirtyconditions.Change oil while engine Is still warm

from recent running.

_kA. DISCONNECT SPARK PLUG WIRE FROM SPARK PLUG

AND ATTACH IT TO RETA N NG POST (see Figure 3).

B. Positionequipmontea engineoil drainplugls inwost puint on

engine.

C. Remove oildrain plugand oil tillplugto drainoil (sea Figure

1).

D. Replace oil drain plug and tighten securely.
E. Fill oil sumpwith recommendedoil. See "OIL& FUEL REC-

OMMENDATIONS" and "CHECK OIL LEVEL"on Page 1.

F. Replace oil till plug and tightensecurely.
G. Connect spark plug wire to spark plug.

H. Wipe up any spilledoil and/orgasoline.
NOTE: If itisdifficuftto reachthe oildrainptug,drainfuel.Remove

oil fill plug and tip mower on its side. Drainoil into a suitable
container.

181-1191-11

MAINTENANCE (Continued)

MAINTENANCE (continued)

(_ AIR CLEANER (see Figure4):

NEVER RUN ENGINE WITHOUT COMPLETE AIR CLEANER
INSTALLED ON ENGINE.

Replacefilteronce a yearor mereoften ifusedinextremelydusty
or dirty conditions.

DO NOT A'FFEMPT TO CLEAN OR OIL FILTER.
Replacementfilters ere available atany Sears Roebuckend Co.

(or Sears Canada, Inc.) Service Canter. To install new filter,
proceed as follows:

A. Turn cover to the left (counterclockwise)and remove if and

filter fromflange. Discardfiller.

B. Clean cover and flange thoroughly.
C. Insertnew filterinto cover.

D. Positioncover and filter against flange with tab on cover

inserted Into lower left corner of slot in flange.

E., Push cover firmly against flange and turn it to the right

(clockwise)as far as it willgo. Be sure retainersare locked
around flange.

_fTT_RN COVER

CLOCKWISE)
TO REMOVE

(_) SPARK PLUG (see Figure5):

This spark ignitionsystemmeets all requirementsof the Cana-
dian Interference-CausingEquipmentRegulations. This engine

complies withall currentAustralianandNewZealand limitations
regarding electromagnetic interference.

Check spark plugyearly or every 100 operatinghours.
A. Clean area aJ'oundsparkplug.

B. Remove and inspectspark plug.
C. Replace sparkplug if electrodesare pitted,burnedor porce-

lain iscradxed.For replacementuse Champion RJ-19LM or
equivalent.

NOTE: A resistorsparkplug mustbe used for replacement.

D. Check electrodesgap with wirefeeler gauge and sat gap at

.030 if necessary.

E. Installspark plug,tightensecurely.

ELECTRODE_

.030IIGAP '_ _RCELAIN

F'_urefl

SLOT

TAB

RETAINER

Figure 4

COVER

COVER

TO THE RIGHT

(CLOCIONISE)

TO TIGHTEN

_) COOLING SYSTEM (see Rgure 1):

IMPORTANT: Frequentlyremove any grass clippings,dirt and
debrisfromcoolingfins,air intakescreenand leversand linkage

(see Figure 1).This willhelpensureadequatecoolingandcorrect
engine speed.

®

_ICHECK ENGINEAND EQUIPMENT NUTSJ

BOLTS AND ATrACHMENTS, AND KEEP THESE ITIEMS_

1 "lIGHTENED. |

OFTEN FOR LOOSE

t

Page 3 181-1191-11