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operator's
manual
MODEL NO.
358.796131-26.2cc
___WARNING:
Carefully read and follow
Safety Rules, Precautions
and Operating Instructions.
Failure to do sO-can result in
serious personal injury.
Sold by Sears, Roebuck and Co., Chicago, Ill. 60684 U.S.A.
RnFT,SMn
GAS WEEDWACKER ®
Fuel Mix 16:1 2 Cycle Engine
• Assembly • Maintenance
• Operation • Repair Parts
Always Wear Eye Protection During Operation
66706-1-34385-1-34485 PRINTED IN U.S.A.
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FULL ONE YEAR WARRANTY ON SEARS CRAFTSMAN GAS WEEDWACKER
Ifthis CRAFTSMAN GAS WEEDWACKER trimmer fails toperform properlydue to adefect inmateria! or workmanshipwithin
one year ofpurchase, Sears will repair it, free of charge.
_fthis _RAFTS"_AN GAS _EE _A_KER_ trimmer is usedf_r c_mmercia_ _rrentaI purp_ses thiswarranty c_v`erage app_ies
for only g0 days from the date of pumhase. , -, --" "-
WARRANTY SERVICE IS AVAILABLE BY CONTACTING THE NEAREST SEARS SERVICE CENTER/DEPARTMENT
THROUGHOUT THE UNITED STATES.THIS WARRANTYAPPLIES ONLY WH ENTHIS PRODUCTtS IN USE INTHE UNITED
STATES.
This warranty gives you specific legal rights, and you mayalso have other rights which vary from state to state.
/ , - • , ..... • t t , , • / , i ,
®
SEARS, ROEBUCK AND CO. / DEPT. 698/731A / SEARS TOWER / CHICAGO, IL 60684
TABLE OF CONTENTS
Safety Rules and Precautions ................... 3
Know Your WEEDWACKER ® Trimmer ............. 4
Assembly - 5
Engine Information ............................ 6
A. FuelingYourUnit .......................... 6
B. Pre-operation Checks ....................... 7
C. StartingInstructions ........................ 7
D.Operating Instructions ...................... 9
E. Engine Adjustments ........................ 9
Using YourUnit .............................. 10
A. OperatingInstructions ..................... 10
B.AdvancingThe Cutting Line ................. 10
C. Cutting Methods .......................... 11
D.Cutting Head Maintenance .................. 12
General Maintenance ......................... 14
A. Drive Shaft Lubrication ..................... 14
B.Air Filter Care ............................ 14
C. Fuel Tank Upkeep ......................... 14
D.Starter Rope Repair ....................... 15
E. Trouble Shooting Chart ..................... 16
Accessories ................................ 17
Parts List ................................ !8-24
Quick Reference Page ........................ 27
SPECIFICATIONS
ENGINE"I_PE: 2-CycleAir-Cooled
DISPLACEMEN'£ 26.2cc
ENGINERPM: Operatingo6500- 7500
Idle-2800- 3200
IGNITION: SolidState
CARBURETOR: DiaphragmAllPositionwith
adjustablefuelmixturejets
"ON/OFF' SWITCH: PositiveToggle
STARTER: Auto Rewind
Muffler Guard
Starter Rope
Throttle Trigger
Starting Inst
Model Number
"ON/OFF" Switch
Fuel Cap Filter
Assist Handle
Injector Button
MUFFLER: LoTone-Californiaapproved
spark arresting
CLUTCH: Centrifugal
FUELTANK: 16.9fl. oz.
SPARKPI"UG: STD3"6i258((_J-14)
SPARKPLUGGAP: .024"/.02t_"
MODULEAIRGAP: ,010't/,014 "
LUBRICATION: . Gasoline/OilMix-16:1
cUTrlNG LINE
DIMENSION:
Drive Shaft Housing
Splash Deflector
MANUFACTURED UNDER ONE OR MORE OF THE FOLLOWING
U.S. PATENTS: 3,708,967; 3,826,068; 3,859,776; 4,035,912;
4,052,789; 4,054,992; 4,067,!08; 4,I04,797; 4,114,269;
4,124,938; 4,156,312; 4,156,967; 4,161,820; 4.167,812;
4,269,372; 4,296,675; DES. 249,630; DES. 255,764; DES.
260.394, U.S. AND FOREIGN PATENTS PENDING.
.080"Diameter
Cutting Head
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SAFETY RULES AND PRECAUTIONS
Failure to follow safety rules and precautions could result in serious personal injury.
AI
KNOW YOUR UNIT
1. Read your Operator's Manual carefully until
you completely understand and can follow
all safety rules, precautions and operating
instructions before operating the unit.
2 Restrict your unit to users who understand
and follow all safety rules, precautions, and
operating instructions found in this manual.
B. PLAN AHEAD
Always wear eye protection. The
1. splash deflector/line iimiter willnot
prevent rocksand debris frombeing
--and face which can result In loss of vision or
serious personal injury.
2. Dress safely in long pants and wear boots or
safety shoes. Do not wear loose clothing,
jewelry, short pants or sandals; or go barefoot.
3. Do not operate the unit when you are tired,
ill, or upset; or if you have taken alcohol or
drugs/medication.
4. Inspect the area to be cut before starting the
unit. Remove all debris and objects that can
ricochet,be thrown,become entangledinthecutting
head, or cause injuryor damage duringcutting.
5. Keep children, bystanders and animals a safe
distance away from the work area -- a minimum
of 30 feet (10 meters).
C. HANDLE FUEL WITH CAUTION
1. Eliminate all sources of sparks or flame (in-
eluding smoking, open flames, or work that
could cause sparks) in the areas where fuel
is mixed, poured, or stored.
2. Mix and pour fuel in an outdoor area; store fuel in
a cool, dry, well-ventilated place; and use an
approved, marked container for allfuel purposes.
3. DO .n_oLsmoke while handling fuel or while
operating the unit.
4. Wipe up all spills before starting the eng'ine.
5. Move at least 10 feet (3 meters) away from
fuel and fueling site before starting the
engine.
thrown or ricocheting into the eyes
De
OPERATE YOUR UNIT SAFELY
1. Inspect the entire unit before each use for loose,
missing or damaged parl_Do not useuntil the unit
isin properworkingorder.
2. Use only flexible, non-metalic, monofilament
cutting line. Do notuseothermaterialssuchas rope,
wire,etc. Wirecan break offduring cutting and be -
come a dangerous missile.
3. Make sure the cutting head stops turning
when the throttle trigger is released and the
engine runs at idle speed. For correction,
refer to "Carburetor Adjustments," page 9.
4. Keep the handles free of oil and fuel.
5. Never start or run the engine inside a closed
room or building. Exhaus[ _LJmes contain
dangerous carbon monoxide.
.
Keep your body clear of the cutting head
while the unit is in use.
7.
Do not operate in a position over waist high.
8.
Do not overreach. Keep firm footing and
balance at att times.
9.
Run the engine at full throttle only when
cutting.
10.
Stop the engine before removing the fuel
cap.
11.
Use only for jobs explained in this manual.
El
MAINTAIN YOUR UNIT PROPERLY
1. Maintain the unit according to recommend.
ed procedures.
2. Disconnect spark plug before performing
maintenance except for carburetor adjustment.
3. Use only recommended replacement •parts.
The use of any part, or accessory not specifically
designed forthis unit couldcreate ahazardand/or void
your warranty.
4. Drain fuel from the fuel tank before storing
for 30 or more days.
5. Do not store theunit or fuel in a closed area
where fuelvaporsocan reach sparks or an
open flame from hot water heaters, furnaces,etc.
6. Store in a dry ar.ea out of the reach of
children.
i_WAR NI NG
The lower unit of this machine is designed as a line
trimmer only, andmust not be equipped with any type
blade. Serious injury can occur to the user or
bystanders because:
The necessary protective devices for blade useare
not part of-the lower unit.
-- Some blades are not designed for the high speed
this engine produces. This can cause Injury due to
blade failure.
Do not use any attachment with this engine other than
those supplied by the manufacturer and specifically
recommended for this power head. Serious injury to
the user or damage to the engine can resultotherwise,
STATE AN D LOCAL
ORDINANCE REQUIREMENTS
Your engine is equipped with a temperature limiting
muffler and spark arresting screen which meets the
requirements of California Codes 4442 and 4443. All
U.S. Forest Land and the states of California, Maine,
Oregon,and Washingtonrequire bylaw thatcertaininter-
nal combustion engines operated on forest, brush, and
grass covered areas be equipped with a temperature
limiting muffler and/or spark .arresting screen. If you
operate an internal combustion engine in a state or
locale where such regulations exist, you are legally
responsible for maintaining the operating condition of
these parts. Failure to do so can subject you to
liability or to a fine.
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KNOW YOUR WEEDWACKER ® TRIMMER
A. INTRODUCTION
Your WEEDWACKER ® Trimmer is a versatile product
developed for large lawns and to make short work ofa
variety of lawn care tasks -trimming, mowing, edging,
sweeping, and scalping.
Special Features include:
• FUEL INJECTION STARTING"
• Adjustable assist handle
• Semi-automatic advancing line feed
• 17" inch cutting path
• Total weight -13 ibs. -
B. UNPACKING INSTRUCTIONS
°
Remove contentsfrom the Carton if you have not
done so.
,
Check parts against the listbelow.
3
Examine parts for damage.
4
Notify your Sears Store immediately ff a part
is missing or damaged.
NOTE: A rattle like noise in a powerhead with an
emptyfuet tank isanormal condition,caused by the
filter moving against the wall of the empty tank.
..
10
,,'L__m
KEY
1
Engine 1
2
DriveShaft/Bearing Assembly 1
3
SplashDeflector 1
4
CuttingHead 1
5
AssistHandle 1
6
2-Cycle Engine Oil - 8 oz. can 1
7
Grease 1
LooseParts Bag 1
8
Screw, SplashDeflector- 114-10x1-1/8" 2
9
Bracket,Splash Deflector 1
10
Hex Bolt,AssistHandle, 114-20x1-1/2" 1
11
Washer,AssistHandle, 1/4fiat 1
12
Knob, AssistHandle, 114-20 1
13
Clamp - Engine Shroud 1
14
Screw- Clamp - 1/4- 20 x 9/16" 1
15
Nut - 1/4- 20 -Clamp
Operator's Manual (not shown) 1
CARTON CONTENTS: '" QTY.
LOOSE PARTS BAG CONTENTS:
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ASSEMBLY
A. PREPARATION
Your Operator's Manual has been developed to help
you assemble the unit and to understand its safe opera-
tion. It is important that you read your manual com-
pletely to become familiar with the unit before you begin
assembly.
I. READ YOUR OPERATOR'S MANUAL.
2. Tools you will need:
a:
/
Z" 1-1/4inch Wrench
7116inch Wrench "
3/8 inch Wrench
or
Z
Adjustable Wrench
b. _ _
_ Slotted Screwdriver
CLAMP ___J ._
ASSEMBLYSTEPS
1. DRIVE SHAFT HOUSING -- Figure 1.
a. Place clamp from loose parts bag on the engine
shroud as shown inFigure 1.
b. Pull about 6inches ofthe flexible drive shaft out from
the drive shaft housing.
c. Fitthe end of the flexible drive shaft intothesquare-
shaped opening insidethe engine shroud. Figure 1.
NOTE: Turntheengine as necessarytolineupparts.
d. Alignthe groove in the drive shaft housing with the
key inside the engine shroud opening.
e. Firmly push the drive shaft housing straight into the"
engine shroud until it bottoms out (about 1-1/2
inches).
f. Install clamp screw and square nut as shown in
Figure 1.
NOTE: The nutmust be mountedon thetabside of
the clamp to keepnut from turning.
g. Tighten the clamp screw securerywith ascrewdriver.
DRIVE SHAFT _ _
.o'ovo
DI RECTI ON
TO INSTALL
Figure 1
1-1/4"
WRENCH
2. CUTTING HEAD -- Figure 2
a. Holdthe dust cup with a 1-1/4"wrench tokeep the
dust cup fromturning. Figure 2.
b. Thread the cutting head clockwise onto the arbor
shaft, against the dust cup, and as tight aspossible
with your hand. Figure 2.
c. Press the tapbutton and pullthe cutting linefrom the
head a minimum of 2 inches. Figure 3.
NOTE: Toremove the cu_ing bead, hold thedust cup
.... with at-l/4"-wrench and unthread the cutting head
counterclockwise &[_,_ .
Approximately2inchesof line
canbeadvanced each timethe
L.
ARBOR SHAFT
DUST CUP
Figure 2
Figure 3
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3. SPLASH DEFLECTOR -- Figure 4
a. Locate the raised "V" ridge on the splash
deflector into the indented "V" slot on the
drive shaft housing. Figure 4.
b. Rest the bottom of the splash deflector on top
of the drive shaft housing shoulder above the
dust cup.
NOTE: The bottom of the splash deflector
must rest on top of the shoulder of the drive
shaft housing.
c. Make sure the splash deflector is aligned
toward the:engine as shown in Figure 5.
d. Install the bracket and screws as shown in
Figure 4.
e. _Tighten the screws evenly and secu rely with a
3/8 inch wrench or a slotted screwdriver.
NOTE: It ispossible that a smallspacewill beseen
between the bracket and the splashdeflector when
4. ASSIST HANDLE -- Figure 5
a. Align the assist handle onthe drive shaft hous-
ing above the decal(s), making surethe handle
curves back toward the engine. Figure 5.
b. Firmly push the assist handle over the drive
shaft housing.
c. Install the assist handle bolt, washer, and
knob as shown in Figure 5.
NOTE: Makesurethescrewisplacedonthe sideof
the handle withthe hex-shapedscrewopening,
d. Holdthe unitinthe operatingPositionand adjustthe
handleupor downthe'driveShafthousingtoa posi-
,tion comfortableforthe user.
e, Tightentheknobby handonly,+.;+. .....
NOTE: The assist handle canbe rotated from leftto
rightallowingthecuttinghead tobe tilted.Tilting the
angle ofthecuttinghead is usefulwhentrimmingor
iii iiiiililli ¸
I14-10X1-I18" ,++ :-_ " +
.... • • iiiiiiiiii ii i ii iiii
l R=O
+ '_.__._.S_,.-,,"---v SLOT
-. s.ouLoE.
ii iiii
..... DUST CUP ,, ......
Figure 4
ENGINEINFORMATION
A,: FUELINGYOUR UNIT ...._:_ _ :+
1. FUEL MIXTURE
require_;:_ifuel mixture Ofregularunleaded gaso-
lineand ahigh qualltyengine oil specially made for
2-cycleair-cooled engines. The internaldesignofthe
2-cycleenginerequireslubricationofmoving parts,This.....
!ubric=i0 nisp[0videdwhenyouusethe recommended
mixture of gasol ineand oil.
Using the correct measure of gasoitne to oll isvery
important. Too much oit in'the mixture will foul the
sparkplug.
ICAUTION: I Too little oll will cause the engine to
overheat and become seized. _
Always mix the fuel thoroughly in acontainer since
the gasoline and oil do not readily combine. Donot
tryto mix fueldirectlyinthe fuel tank.
' + i '' .... ;: "
, . _ . :
"""I=IIHIIII I + ""111 I L
WASHER-(1/4-FLAT)
BOLT -(1/4-20x1-1/2")
_ SPLASH DEFLECTOR
III
Figure 5
a. DONOTUSE:_ _..._'
.
•,e•BIAOIi.:[Boating-lnStitUte _of+Amei+ic_)+
- Does not have proper additives for air-cooled
2-cycleengines and can causedamage to your
• unit. ..............
• AUTOMOTIVE OIL --
--Does not haveproper additives for 2-cycle
. .' ;
engines and can cause damage.
• GASOLINE CON;rAINING ALCOHOL
(High Test, Premium or Gasohol) --
-- Stiffens critical carburetor fuel metering
elements and causes engine damage
from _overheating. +'
-- Increasesvapor lock(causes hardstarting).
-- Attracts watercausmg corros=on_damage
6
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b. USE THE
FOLLOWING:
3. IMPORTANT POINTS TO REMEMBER
M
1GALLON
REGULAR
UNLEADED
GASOLINE
+ --OR-- =
2. HOW TO MIX FUEL AND FILL TANK
-a. Pour 112gallongasoline into an approved marked
container.Do not try tomix fueldirectly in the fuel
tank.
b. Add entiremeasure of2-cycleengine oil.
c. Cover containertightlyand shake forone minute.
d. Add remainder ofgasoline.
e. Cover containertightlyand shake again.
f. Remove thefuel cap. Referto "Specifications", page
2, for fuel cap location.
g. Fill the tank using a spout or funnel.
h. Reinstall the fuel cap securely.
B. PRE-OPERATION CHECKS
Before operating your unit, always:
1. v, CHECK OVER SAFETY RULESAND PRECAU-
TIONS inthisOperator's Manual. Make certain you
completely understandand follow e&chone.
2. _, CHECK THE AtR FILTER
Clean the filter ifdirty beforeoperating the unit.For
location, seepage 14.
a. Use only recommended fuel mixtures.
b.
Eliminate all sources of sparks or flame in
the areas where fuel is mixed, poured, or
stored. There should be no smoking, open
flames or work that could cause sparks.
C.
Use anapproved, marked container for all fuel
purposes.
d,
Mix and pour fuel in an outdoor area. Store fuel
in a cool, dry, well-ventilated place. Gasoline
vaporsare harmful to your health and can cause
serioushazards,such as explosionandfire.
e,
Wipe up all fuel spills before starting the
engine.
f.
Move at least 10 feet (3 meters) away from fuel
and fueling site before starting the engine.
,
v-CHECK THE UNIT FOR LOOSE BOLTS, NUTS,
OR FITTINGS.
Tighten, repairor replace parts as necessary.Tools
required are shown on page 5. Use only recom-
mended, genuine Sears/Craftsman replacement
parts.
4
_-CHECK THE FUEL TANK.
Fill with a clean, fresh fuel mixture according to
instructionsinfuel mixturesection.
C. STARTING INSTRUCTIONS
1. HOW FUEL INJECTION STARTING TM WORKS
FUEL INJECTION STARTINGTMprovides a
quick, start feature by. injecting a precise
amount of fuel .directly into the. carburetor
manifold which provides a rich fuel mix for the
first few seconds of operation.
INJECTOR BuI-r ON
CARBURETOR
FUEL INJECTIONSTARTING DEVICE (PATENT PENDING)
Figure 6
DRAIN
- . • Each-time the injector button is pressed and
-.+.:_- ---released, fuel is forced'from'the fuel tank to
'- the accumulator c:hamber.
• The accumulator chamber provides a sec-
ondary fuel supply until the carburetor can
obtain fuel through the primary line
• When the accumulator chamber isfull, fuel
is injected into the carburetor manifold to
provide a rich mixture for starting.
Excess fuel escapes through a drain to
prevent the engine from flooding if the
injector button is pressed too many times.
As a result, a few drops of fuel may appear
on the ground during the starting procedure.
The number of injections required will
depend on temperature conditions and the
time elapsed since the engine was last
started.
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2. STARTING PROCEDURE
3. IMPORTANT POINTS TO REMEMBER
a. Extenda minimumof4inchesoflinefromthe
cutting head to providethe correctload on the
engine.
b. Stand in the operating position, and place
the cutting head on the ground. Figure 9.
This insures that fuel will flow into the in-
jector pump.
c. Move the ignition switch to the "ON" posi-
tion. Figure 7.
d. Grip the rear handle with your right hand,
squeezing and keeping the throttle trigger
fully depressed until the engine runs
smoothly.
e. Press the injector button down fully allow-
ing the button to return completely after
each pressing. Follow conditions and injec-
tions listed.
Conditions
I First Starting Out-of-Box [ -
[ Above 30°F Temperature_
-- First starting/engine cold
-- Restarting/engine hot
{Below 30°F Temperature ]
-- (See "Cold Weather Starting",
this page.)
f. Continue pressing and releasing the injector but-
ton untilfuel drips out of the bottom of the unit.
[CAUTION: ] If more than a drop ortwo of fuel
spills onthe ground moveunit away toanother
area for starting to avoid creating a fire hazard.
g. Pull starter rope quickly and sharply until
engine starts.
NOTE: If engine attempts to start but dies
or does not start after 5 (five) pulls, press
injector one more time and pull starter
rope again.
h. The engine will run roughly when first
started. It is important to keep the throttle
trigger fully depressed until the engine
runs smoothly (10 seconds or less)
i. If theengine starts but the cutting head does
not tum with the throttle trigger depressed,
make sure the drive shaft housing is properly
seated in the engine shroud. See "Ddve Shaft
Housing",page 5.
Required Injections
6
3-4
0-1
a. If the engine starts to die immediately after
starting, keep throttle trigger depressed
and press injector button once with fore-
finger to give unit additional fuel.
b. If the engine is stopped momentarily (less
than 5 minutes), it probably will not require
an injection.
c. If unit runs out of fuel or is drained for stor-
age "First Starting" procedure may be re-
quired because the system will be dry.
d. After starting and engine runs smoothly,
keep unit running at half speed until engine
is warmed up to proper idle.
e Usinggasoline orfuelmix over2 months old
will cause the engine to bedifficult or impos-
sible to start!
4. COLD WEATHER STARTING
(Below 30 ° F)
a. Follow "Starting Procedure" through step
"d", then as below.
b. Press injector button down fully six (6}
times allowing the button to return com-
pletely after each pressing.
c. Pull starter rope quickly and sharply until
unit starts. Keep trigger fully depressed.
d. If unit does not start in four pulls or attempts
to start but dies, press injector button an
additional four times.
e. Continue pulling starter rope four pulls.
If unit fails to start, repeat step d., above.
f. It is important not to release trigger until
unit runs smoothly.
g. Once unit has started, immediately press
injector button two additional times to keep
unit running until it warms up.
h. in extremely cold weather, it will be very
difficult to flood the unit, so if the unit
doesn't start-quickly, do not hesitate to
press injector button for additional fuel.
i. For starting warm engine in cold tempera-
tures, press injector button once before
starting.
/_WARNING
The cutting head must not turn when the engine
runs at idle speed. Refer to "Carburetor Adjust-
merits", page 9 for correction.
FuEL
INJECTOR
BUTTON
Figure 7 Figure 8 Figure 9
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D=
OPERATING INSTRUCTIONS
For maximum performance and efficiency:
1. Always accelerate the engine to the desired
speed before cutting.
2, Never operate the engine at a higher speed
than necessary.
3. Always release the trigger and allow the en-
gine to return to idle speed when not cutting.
Sm
ENGINE ADJUSTMENTS
1. CARBURETOR ADJUSTMENTS
The carburetorhasbeen carefully adjusted atthe factory.
Dueto changesin altitude and operating conditions, your
carburetor may require adjusting. To make the adjust-
ment follow the procedure below very carefully:
a. PREPARATION
1.) Use fresh fuel mix with proper gasoline/
oil ratio. See "Fuel Mixture", page 7.
2.)
Make sure the cutting line extends at least
4 inches toprovide correct load on engine.
3.)
Remove air filter ( Figure 10) and place
under spark plug wire for safe keeping_
4.)
Turn both tow speed and high speed mixture
screws clockwise _ untilfullyclosed,
but do not overtighten. Figure 10.Unscrew beth
mixture screws one full turn counterclockwise
b.
IDLE SPEED ADJUSTMENT
1 .,)Turn Idle Speed Screw clockwise
until it stops. Do not overtighten. Open
screw one full turn counterclockwise.
2.) Start the engine and cut grass for 3 min-
utes to warm up engine.
3.) Allow engine to idle.
4. ) AdjustIdleSpeed Screw untilengine continues
to run withoutstalling and without the cutting
head turning.
Turn screw clockwise _ to increase
Turn screw counterclockwise -_k'.,_to slow
l CAUTION: JHigh and low speed mixture settings
are highly critical adjustments. If setincorrectly per-
manent damage will occur to the engine, Both the
low speed mix and the high speed mix screws
should be in the range of 3/4 to 1-1/4turns open.
- engine speed if engine Stalls;
engine down if cutting head
continues toturn.
4. Make sure the cutting head stops turning
when the throttle trigger is released and the
engine runs at idle speed, For correction,
refer to "Carburetor Adjustments," below_
5. Stop engine by moving the ignition switch to
the "OFF" position (Figure 8).
C. LOW SPEED MIXTURE ADJUSTMENT
1.) Allow engine to =die.
2.) Turn Low Speed Mixture Screw clock-
wise _ slowly. Note the position at
which the engine speed is increased.
3.) Turn the screw slowly countercfockwise.
JP.,_. Note the position at which the
speed is reduced.
4.) Set the screw mid-way between these two
extreme :positions.
d. IDLE SPEED ADJUSTMENT
1.) Allow engine to idle.
2.) Adjust the Idle Speed Screw until the
engine idles as fast as possible without
the cutting head or blade turning
E-CAUTION:] Do not operate engine at full throttle
for prolonged periods while making high speed
adjustments as damage to the engine can occur.
e. HIGH SPEED MIXTURE ADJUSTMENT
1 ) Support the shaft so that the cutting head
is off the ground and will not contact anv
object.
2.) Squeeze throttle trigger wide open
3.) Turn the High Speed MixtureScrew slowly
clockwise _ until the engine speed is
reduced. Note position.
4.) Turn the screw slowly counterclockwise
_'"_. Stop when the engine just begins
to run rough.
,.5.) Turn the screw slowly.-the minimum
amount-clockwise--_p--']l= until the engvne
runs smoothly.
f.
CHECK ACCELERATION
Allow the engine to idle. Squeeze trigger and
check engine acceleration. If the engine
does not accelerate smoothly, you may have
to repeat steps "b.3.)" through "e."
NOTE: Generally, by turning the low speed
screw counterclockwise _ a small amount,
the unit will accelerate properly.
g. REINSTALL AIR FILTER
tCAUTION: I The air filter must be fitted into the
corners of the housing to avoid engine damage.
2. SPARK PLUG
Check sparkplugperiodically and replaceasnecessary.
Set the electrodegap at .025".
Figure 10 9