Sears 358.79828 User Manual

OWNERS MANUAL

&

SAFETY RULES

DANGER

THIS POWER UNIT CAN BE DANGEROUS! THIS UNIT CAN CAUSE SERIOUS INJURY OR BLINDNESS TO THE
OPERATOR AND OTHERS. THE WARNINGS AND SAFETY INSTRUCTIONS IN THIS MANUAL MUST BE FOL-

LOWED TO PROVIDE REASONABLE SAFETYAND EFFICIENCY INUSING THIS UNIT. THE OPERATOR IS RE-
SPONSIBLE FOR FOLLOWING THE WARNINGS AND INSTRUCTIONS IN THIS MANUAL AND ON THE UNIT. READ

THE ENTIRE OPERATOR'S MANUAL BEFOREASSEMBEJNG AND USING THIS UNto RESTRICT THE USE OF THIS
POWER UNIT TO PERSONS WHO READ, UNDERSTAr4D AND FOLLOW THE WARNINGS AND INSTRUCTIONS IN

THIS MANUAL AND ON THE UNIT.

BLADE CAN THRUST VIOLENTLY AWAY FROM MATER-

IAL IT CANNOT CUT. BLADE THRUST CAN CAUSE

AMPUTATION OF ARMS OR LEGS. KEEP PEOPLE AND
ANIMALS 50 FEET (15 METERS)AWAY.

BLADE THRUST

WARNING

. i i

BLADE/TRIMMER UNE CAN THRO_; OB-

JECTS VIOLENTLY, YOU CAN BE BLINDED

OR INJURED. WEAR EYE AND LEG PROTEC-

TION.

Leg Guards

HAZARD ZONE FOR THROWN OBJECTS.
BLADE/TRIMMER LINE CAN THROW OB-
JECTS VIOLENTLY. OTHERS CAN BE
BLINDED OR INJURED, KEEP PEOPLE AND

ANIMALS 50 FEET (15 METERS) AWAY;

BLADE COASTS AFTER THROTTLE RE-
LEASE. THE BLADE CAN SERIOUSLY CUT
YOU OR OTHERS. STOP BLADE WITH CUT

MATERIAL.

Eye Boots
Protection

Hazard Zone

Stop Coasting Blade By

Contact With Cut Material.

Blade
Coasts

®

READ OPERATOR'S MANUAL FOLLOW ALL
WARNINGS AND INSTRUCTIONS. FAILURE
TO DO SO CAN RESULT IN SERIOUS INJURY.

-3-

Operator's

Manual

Safety

Labels

: CONGRATULATIONS on your purchase of a Sears

Craftsmen Brushwacker. It has been designed,

engineered and manufactured to give you the best
possible dependability and performance.

Should you experience any problems you cannot easily
remedy, please contact your nearest Sears Service

CenterlDepartment. Sears has.competent, well trained
technicians and the proper tools to service or repair this

unit.

Please read and retain this manual. The instructionswill

-- enable you to assemble and maintain your unit properly.
Always observe the "SAFETY RULES."

MODEL NUMBER: 358.798280

SERIAL NUMBER:
DATE OF PURCHASE:

THE MODEL AND SERIAL NUMBER WILL BE FOUND

ON A DECAL ATTACHED TO THE PRODUCT.
YOU SHOULD RECORD BOTH SERIAL NUMBER

AND DATE OF PURCHASE AND KEEP IN A SAFE
PLACE FOR FUTURE REFERENCE.

PRODUCT SPECIFICATIONS

cUTrlNG PATH: .......... 16.5" (Dual Line Head,

ManualAdvance)

TRIMMER LINE ............ 095" Diameter Monofilament

SAPUNG BLADE ......... 8 3/4"(225mm), 20 tooth

.78"T'(20mm)Arbordiameter

BRUSHBLADE ........... 10"(255mm), 3tooth

.787"(20mm)Arbor diameter

ENGINE: ................. 36cc, 2-cycle AirCooled

FUEUOILMIX RATIO: ...........40:! (3.2oz_oilper gallon,gas)

IGNITION:................ SolidState

(Air gap.010"-.014")

IGNITIONTIMING: ........ Non-Adjustable, Fixed

SPARKPLUGTYPE: ...... ChampionCJ-TY

Autolite853

S_P_,RKPLUG GAP: ........ 020"

MUFFLER: ............... SparkArrestingScreen

(Requiresassembly)

ENGINERPM: ............ 11,000 RPM Maximum

BLADENUTTORQUE: .... 20-35 lb.-ft.

SHIELDSCREWS: ........ 70 lb.-in:Minimum

SPECIAL NOTICE

Forusers onU.S. Forest Landin the statesof Caiif0mia, Maine

MAINTENANCE AGREEMENT

A Sears Maintenance Agreement is available on this
product. Contact your nearast Sears Storafor details

CUSTOMER =RESPONSIBILITIES

._:.Read and observethe safety rules..

• Follow a regular schedule in maintaining, caring for,

and using your unit:

• Follow the instructions under =Customer

Responsibilities" and
Operator's Manual.

r , rr

=Storage" sections of this

Oregon, New Jersey, Idaho, Minnesota, and Washington. AI
U.S. ForestLand and the states ofCalifornia(Public Rseoulces
Codes 4442 and 4443), Oregon, and Washington require, by

law, that certain internal combustionengines operated on for-
est, brush, and/or grass-covered areas be equipped with a

sparkarrestor,maintainedineffectiveworkingorder,ortheen-
ginebeconstructed"equipped,and maintainedfor:thepreven-

tionoffire.Checkwithyourstate orIomdauthotitlesforreguis.-'i

ti0ns pertaining tothese requirements.. Failuretofollowthese

requirementsis a violationofthe law. The factory provided

spa_ arrest=orscreen is notasesmbledwiththisunit.

MANUFACTURED UNDER ONE OR MOR_ OF THE FOLLOWING pATENTS: 4,974,973;
5,105,'J'7_; D339,591; D333,954. OTHER U.S, AND FOREIGN PATENTS PEN DING.

FULL TWO-YEAR WARRANTY ON

CRAFTSMAN GAS-POWERED BRUSHWACKER ® BLADED TRIMMER

Fortwo(2) years from the date of purchase, when this CraftsmanGas-Powered Brushwacker ismaintained, lubricated
and tuned-up accordingto the operating and maintenance instructionsin the owner's manua, Sears willrepair, free of

charge, any defect in matedals or workmanship.

This warranty excludes blade nylon line, spark plug, andair t_lter,which are expendable parts and become worn dudng

normal use.
If this Brushwacker is used for commercial purposes, this warrantyapplies for only 90 days from the date of purchase.

If this Brushwacker is used for rental purposes, this warranty applies for only 30 days frern the date of purchase. This

warranty applies only while this product is in use inthe United States.

WARRANTY SERVICE IS AVAILABLE BY RETURNING THE BRUSRWACKER TOTHE NEAREST SEARS SERV|CI

CENTER IN THE UNITED STATES.
This warranty gives you specific legal dghts, and you may also have other rights whichvary from stateto state.

SEARS, ROEBUCK AND CO., D/817WA, HOFFMAN ESTATES, IL 60179

-4.

=

HARDWARE CONTENTS

(2) Lock

Washers

Hardware shown full size

(4) Screws

@

(2) Nuts

3.2 oz. Oil

Parts bag contents not shown full size

(2) Mounting

Screws

Parts packed separately in carton

Blade Nut/

Spark Rug

Wrench

r i¸ r..... i --r .

i 1

i

Locking Pin

Spark

Arrestor Screen

J Carburetor

Hex Key Screwdriver"

i i I `•. ._• ii1.

Line Limiter

Metal Blade Shield

Brush Tri-Blade

Operator's Manual

Shoulder Harness

Handlebar

eeLS REQUIRED FOR ASSEMBLY

Torque Wrench-reference torque values are provided
throughoutthis manual for tightening hardware.

Phillips Screwdriver
8 mm Wrench

Provided with your Bmshwacker:

Hex Key
Blade Nut/Spark Plug Wrench
Locking Pin

Plastic Line Xrimmer Shield

with Lthe Umiter Hardware

Shield Support

Plate

Dual Une "Cutting Head

O

Blade Transport/

Sapling Saw Blade

TO REMOVE BRUSHWACKER FROM

CARTON

• Remove loose parts included with Brushwacker.

• Remove the loose plastic parts bag from the carton.

• Remove all packing material.

;, Check carton thoroughly for additional loose parts.

Storage Cover

-5-

l

i.i

ASSEMBLY

IF THIS UNIT IS RECEIVED
BLED, REVIEW ALL STEPS IN THIS

SECTION TO BE SURE ASSEMBLY

WARNING:

CORRECT AND
FORTHE OPERATOR.

HOW TO ASSEMBLE YOUR
BRUSHWACKER

Screw_ Retention

Mounting'//// Clip

. Engineer,,/ ThrottleHandle

8r cket /

DANGER:

SPARK ARRESTOR SCREEN ASSEMBLY
(See Fig. 3 )

. BARRIER TO KEEP THE OPERATOR'S YourBrushwackerisshipped with a spark arrestorscreen

..- FEETFROMB:Ir_._BITHEBLADE- _: '.acc_scry. fyouplantouseyourBrushwaskerinanarea

- . .......... Whe'maspark arrestormuffler is required bylocal state, or

.....HANDLEBAR ASSEMBLY (See Fig. 1 ) " " federal authorities(See =Special Notice" on page 4), pro-

.............. ceed to nsta as fo owe.

uerore installing me nanolecar,:_you_-musLunmread:the_._. _". • - " .........

• thumbscrew securingthe mountingbracketsto the Outer • •.Loosen 4 screws rmm c_lnaer cover wJtnnex Key. He-. •

housing, movecylinder cover.

Refer to Figure 15 for proper handlebar Position.

• Place the hand/ebarbetween the upperand lowerbrack-
eL The mounting bracket shouldbe between the arrows

on the handlebar. Secure withthumb screw.

• We recommend you adjust theangle ofthe handlebarfor

best comfort and balance after the unitis assembled.

Figure1

THROTTLE HANDLE ASSEMBLY

(See Fig. 2 )

• Remove the retention screw from the thrott/ehand/e.

• Slide the thrott/e hand/e ontothe rightside ofthe handle-
bar and align with the screw hole in the handlebar. The

throttle trigger should be facing away from the engine.

• Insert retention screw and tighten with hex key.

• Secure loose cable to handlebar adjacent to mounting
brackets with dip.

IMPORTANT: TWO(2) sCREWS HOLD ALL OF THE
MUFFLER PARTS TOGETHER.

• Loosen2 screwsfrom muffler screen cover withhex key.
Remove the muffler as an assembly to become familiar

with it's disassembly/reassembly sequence.

• Hold muffler with the screws up.

• Removethe fo!lowing: mufflergasket, mufflerbody,rein-
forcement plate; baffle plate, and distance pipes.

• Turn overthe muffler cover with the screws down.

• Remove 2 screws and raise muffler screen cover.

• Positionspark arrestorscreen between the muffler cover
and the muffler screen cover. Align holesand reinsert 2
8cl_ev_s_

"' * Turn overmuffler cover with screws up.

• Reinstall in the following Order:. distance pipes, baffle
plate and reinforcement plate. Seat muffler body over

muffler cover and snap them together. Reinstall muffler
gasket.

• Insert 2 screws in cylinderand tighten securely
(60-80 Ib-in).

• Replacethe cylindercover making sure the mufflerguard
interlockswiththe crank case assembly. Insert4 screws,

• and tightensecurely.

CylinderCover/MufflerGuard

_X".'_ _\;. Cylinder

Crank B_

Case

Figure 2

Reinforcement Spark

Plate Arrestor

Muffler

Figure 3

Distance /

Muffler Muffler

Cover Screen

Plate Cover

Screen

-6-

ii i

ASSEMBLY

iii

Your brushwacker can be assembled in 3 distinctconfigurationsas follows:

Goto the sectionforthedesiredconfigurationandfollowthe instructionsas provided.

Dual Line Head - for grass & light weeds

Brush Tri-Blade -for heavy weeds and light brush up to 1/2" diameter

Saw Blade -for cutting saplings and similar media up to 2 1/2" in diameter

-7-

ASSEMBLY

CUTTING LINE HEAD
CONFIGURATION

Brush and Saw Blade ConflguraUonsfollowthis section.

WARNING:

&

INSTALLING UNE :LIMI3_R_-ONTO PI.:ASTIC_?,__;_
LINE TRIMMER SHIELD (See Fig.4)

• Pos_on line limiteronto the plastic line trimmershield.
IMPORTANT: ALTHOUGH SCREW HOLES EXIST ON

BOTH EDGES OF THE PLASTIC LINE TRIMMER

SHIELD, MAKE SURE YOU INSTALL THE LINE UMo

rrER ON THE SIDE SHOWN IN THE ILLUSTRATION.

• Secure linelimiterto theplastic linetrimmershieldusing

the two mounting screws, lock washers, and nutsfound

in the loose parts bag using a phillips screwdriverand

8ram wrench.

• Tighten securely.

' ,,,=_,,_'"::_':rs_ located in a bag at-

Plastic Line _ \y_-_- Screws

FdmmerShield

PRE-INSTALLATION

THE LINE LIMITER IS SHARP AND CAN
CUT YOU. BE SURE TO WEAR GLOVES
WHILE WORKING WITH THE LINE UMITER.

THE PLASTIC UNE TRIMMER SHIELD
MUST BE PROPERLY INSTALLED FOR ALL

LINE TRIMMER USAGE. THE PLASTIC
UNE TRIMMER SHIELD PROVIDES PAR-
TIAL PROTECTION FROM THE RISK OF
THROWN OBJECTS TO THE OPERATOR

AND OTHERS,

Nuts_ Une Umiter .

--,-,,,,.. / _'___,_, Line Limiter parts are
"///'_ tashed to the Plastic

._-- _l Line Trimmer Shield.

Figure 4

INSTALLING THE PLASTIC LINE TRIMMER
SHIELD (See Fig. 5 )

• Place the plastic line trimmershieldon the gearbox, and
align the four screw holes as illustmfed.

• Place the shield support plate under the shield and
align the four screw holes.

• Secure the plasticline trimmershieldusing the 4 mount-

ingscrews provided in the loose parts bag.

• Tighten evenly (70 Ib-in mimimum) using the hex key

provided in the loose parts bag.

Arbor _ -F_

Driyin_] /t!/i_ _J_ Plast_Une

.....Di 2! . / T,mme,.

- Shield

Shield Support __,, _.

Plate

Figure 5

INSTALLING THE DUAL MNE HEAD
(See Fig. 6 & 7 )

Before installing the dual line head, make sure the driving

diskis in place on the gear box,

• Rotate the hex fastener on the dual line head counter-

clockwise ontothe arbor shaft.

•Tum the arbor shaftto align one of the three holes inthe

ddving diskw_ththe hole in the gearbox.

• Insert the locking pin through the gearbox and driving
disk.This will lock the drivingdisk,and prevent the arbor

shaft from turning while you tighten the dual line head.

• While holdingthe Iockingpinin place, tightenthe dual line
head onto the arbor shaft counterclockwise using the

blade nut/spark plug wrench(15-20 Ib-ft);

Should the arbor shaft continue to turnwhile you are tight-

eningthe dualline head, re-positionthe/ockingpinthrough., ,,..
the gearbox and drivingdisk.

LockingPin ArborShaft

......Plastic Line

Trimmer Shield Disk

If the metal blade shield is installed on the unit,you must
first remove the-nut,supportflange, blade, andmetalb/ade

shield as follows before installing the plastic fine trimmer
shieldand duat line cutdng head.

• Clip blade transport/storage cover over the blade.

(Refer to figure 9)

• Toremove blade (Sea Figures 11or 14), placelockingpin

throughthe gearboxand driving disktopreventthe arbor
shaftfrom turning and remove the blade nut by turning
clockwisewith blade nut/spark plugwrench. Save parts

removed for future use.

• Remove 4 screws with hex key holding the metal blade
shield. Save these4 screws for installationofthe plastic

line trimmer shield.

Dual Hex Fastener

(underneath)

Figure 6

Lockin! Pir_ual Cutting Head

Plastic Line

Trimmer Shield _'< II Counterclockwis_

Blade Nut/Sl_ irk Plug

Wrench

Figure 7

-8-

Remove Clockwis_

ii

ASSEMBLY

i ii

|RUSH TRI-BLADE CONFIGURATION BLADETRANSPORT/STORAGE COVER

_utting Line Head configuration is located before this
_-tien; Saw Blade configurationfollowsthis section.

THE METAL BLADE SHIELD MUST BE

DANGER:

PROPERLY INSTALLED ON THE UNIT

ANYTIME THE UNIT IS USED WITH THE

BLADE. THE FORWARD TIP ON THE MET-

AL BLADE SHIELD HELPS TO REDUCE

THE OCCURRENCE OF BLADE THRUST
WHICH CAN CAUSE SERIOUS INJURY

SUCH AS AMPUTATION TO THE OPERA-
TOR OR BYSTANDERS.

THE BLADES ARE SHARFAND'CAN cuT

YOU. BE SURE TO WEARGLOVES WHILE

WORKING WITH BLADES; '"

RE_;INSTALLATiON

the plastic linetrimmer shield is installedon the unit,you

ust first remove the dualline cutting headbefore instal-

Ig the blade,,support flange, nut and metal blade shield.

Toremove (See Figure7), place lockingpinthrough the
gearbox and driving.'diskt0 prevent the arborshaft from

tumtng and remove the dual I|ne head byturning c_ock-
wise with blade nut/spark plug wrench. Save parts re-

moved for future use.

Remove 4 screws with hex key holdingthe plastic line
trimmer shield. Save these 4 screws for installationof

Ihe metal blade shield.

Fouhave already conliguredyour unitforSaw Blade use,
_u have already installed the metal blade sh=ieldand

rould remove thesaw b/adeand go directlyto Installing

e Bnisfi Tri-Blade:

(1See Figure 9 )

e blade transport/storagecover should always be used

when handling either blade.

Saw Blade

J

Blade TrensporVStorag_ Cover .

Figure 9

INSTALLING THE BRUSH "rRI-BLADE

..... 10& 11)

NOTE: The bladesin figures10 &11 are shownwithoutthe
blade transport/storagecover for clarity.

Before installing the brush tri-blade; makesure thedriving ':

diskis in place on the gear box.

• Place brush tfi-blade onto support flan0e making sure

the hole in the center of the blade is f'rttedaround the

raisedcenter stepon the support flange. :

• Place support flange and blade onto arbor shaft. The
blade should not move from side to side.

• Insert/ocking pin through the gearbox and driw'ngdls_

This will lockthe drivingdiskand prevent the arbor shall
from turning whileyou tighten the Rut.

• Begin threading the nut(counterclockwise) ontothe end
ofthe arbor shafL

• While holding loctdngp_nin place, tighten the nut onthe
arbor shaft counterclockwiseusing the blade nut/spark

plug wrench(20-35 Ib-ff).

Metal Blade\Nx.

ISTALUNG THE METAL BLADE SHIELD

lee Fig. 8 )

=lace met'a/blade s_hietdonme gearbo_cand_alignfour
_crew holes.

:_lacethe shield support plate L]ndeT.the_blade gua-_l _:
3rodalign the four,screw holes.

_ecure the metal blade shield using the 4 mounting
screws provided.

ghten evenly (70 Ib-in minimum) using hex key pro-
ded in loose parts bag.

Arbor

Shield Support

Metal

Driving

Disk Shield

Rgure 8

-9-

Sh=eld__: Locking Pin

Arbor Shaft'-_'--_ _"

7_.,=-.-- Brush Tri-Blade

Driving Disk

Support_e._--- Nut

Flanqe

Figure 10

Locking Pin

Brush Tri-Blade

,_ Co_lockwise

_,_ __'_ _ _'Remove Clockwise

Metal Blade Blede N_'ut/Sp'_rkPlug

Shield Wrench

Figure 11

ASSEMBLY

SAW BLADE CONFIGURATION

Cutting Une Head and Brash Tri-Blade configurationsare

located beforethis section.

DANGER:THE METAL BLADE SHIELD MUST BE

PROPERLY INSTALLED ON THE UNIT

ANYTIME THE UNIT IS USED WITH THE

BLADE. THE FORWARD, TIP ON THE MET-
AL BLADE SHIELD HELPS TO REDUCE

TIlE OCCURRENCE OF BLADE THRUST
WHICH CAN CAUSE SERIOUS INJURY

SUCH AS AMPUTATION TO THE OPERA-

TOR OR BYSTANDERS.

THE BLADESAR_SNARP AND C=AN:CUT

YOU. BE SURE_TO;WEAR_GLOVE_WHIIJE
WORKING WITH BL_4DES. "_ ' i

PRE-INSTALLATION

Ifthe plastic line trimmershield isinstalled onthe unit,you
must first remove the dual line cutting head before instal-

ling the blade, supportflange, nut and metal blade shield.

• To remove (See Figure-7),place lockingpin throughthe

gearbox and ddvingdiskto preventthe arbor shaft from

turning and removethe dual line head by turningclock-
wise with blade nut/spark plug wrench. Save parts re-

moved for future use.

• Remove 4 screws with hex key holding the plastic line
trimmer shield. Save these 4 screws for installationof

the metal blade shield.

• Go to =Installing The Metal Blade Shield" beforeproceed-
ing.

If you have already configured your unit for brushtri-blade
use, you have alreadyinstalledthemetai blade shieldand

should remove thebrush fri-blade.

,SawBlade

Driving Disk

Locking Pin

Fiqure 12

Metal Blade =gPin

Saw Blade

Driving

Support Flange -_'1"__"=-'- Nut

Figure 13

Metal Blade __

Shield InstallCounterclockwise

BlaoeN.V

INSTALUNG THE SAW BLADE
(See Fig. 12,13, & 14 )

NOTE: The blades inf gul:esl:2-_1:_4areshownwithout the _ • CHECK LIST
blade transport/storagecover for clarity.

Before installingthe blade, make surethe driving;diskis'm :, are no loose parts.
place on the gear box. • Check to make sure the Throttle Cableis positionedand

IMPORTANT: WHEN INSTALLING THE SAW BLADE,

THE ARROW ON BLADE SHOULD POINT iN THE

DIRECTION INDICATED.

• Place saw blade onto support flange making sure the

hole in the center of the blade is fitted aroundthe raised
center step on the support flange.

• Place support flange and blade onto arbor shaft. The

blade should not move from side to side.

• Insert locking pin through the gearbox and drivingdistc

This will lock the drivfng disk and prevent the arbor shaft

from turning white you tightenthe nut.

• Begin threading the nutcountere!ockwise ontothe end of "

the arbor shaft, which is a left-hand thread. To tighten,
turn counterclockwise;to loosen, turn clockwise.

• While holding locldng pin in place, tighten the nuton the
arbor shaft counterclockwise using the blade nut/spark

plug wrench(20-35 Ib-ft).

• Check all fasteners. Make sure they are tight and there

clippedto the Brushcutter handlebar.

• Check the Line Limiter. Make sure the Line Umferis cor-

rectly fastened to the plastic line trimmersh_eld, with the

long leg of the Une Limiterpointing toward the_center of

the shield.

• Make sure the blade is secure.

• Turn the blade by hand. If the blade binds against the
shield or wobbles, the blade isnot centered. Reinstall the

blade.

• Make sure the long arm of the handlebar extends to the

leftof the tube and in front ofthe operator.

• With the unit supported by its harness strap, adjusthan-

dle angle for best comfort and balance before first use.

- 10-

Saw Blade =

Figure 14