Craftsman 257798040 Owner's manual

Brand: Craftsman

Model: 257798040

Category: Grass trimmers

Type: Owner's manual

This manual is also suitable for

257.798040

IMPORTANT MANUAL Do Not Throw Away

Operator's

Manual

Model No.

257.798040

A WARNING:

and Follow _ Warnings and

Safety Instructions. Failure To

Do So Can Result in Serious in.

juts

Always Wear Eye Protection During Operation

SEAR$/CRFIFTSMnNo

ELECTRIC TRIMMER

DOUBI_ INSULATED

• Assembly ' • Maintenance

• Operation • Repair Parts

Sold by Sears, Roebuck and Co., Hoffman Estates, Ill. 60195 USA

534886690-1-09/28/92 © Sears, Roebuck and Co., 1992

ONE Lmmmu ONcm rsyaN WSEUWACKER®

[_ Fc_ One Yearfrom _ of purchase, when this ElectricLine Trimmer is maintained and used accordingtqthe Operating aud _

N maintenance instructions m the operator's mauual,Sears will repair free of charge anydefect inmaterial or workmanship. H

J_ This warranty excludes nyl°n line vr any °ther parts width are expendableparts and_me w_ d_g n°_ _e" N

I_ Ifthis Electric Line Trimmer is usedforcommev_ orre_tal_es, thiswarrantydoesnotapply. : _

i_WAPaAN_Sm_CS m AVAm_LE BYPm_GTHEUNrr _O_m_A_F_ST sa_mss_ ___ _ G

|_ SEAP_,ROEBUCKAND_ D_D/817WA SEARS'I"OWER HOFFMA_I_,STATES, IL6019B _

TABLE OF CONTENTS

WARNtNGSAND SAFETY INSTRUCTIONS ... 3

KNOW YOUR I]NIT .......................... 5

iL Introduction ............................ 5

B. Unpacking Instructions .................. 5

C, Carton Contents ......................... 5

D. Double Insulation Construction ........... 5

ASSEMBIN .................................. 6

A. Assist Handle Attachment ................ 6

B. Tube Assembly ........................... 6

C. Shield Attachment ....................... 6

D. Pre-Operation Checks ....... .. .......... 7

E. Extension Cord Attachment .............. 7

F. Operating Positlon ....................... 7

USING YOUR UNIT

A_ Line Trimmer Safety ..................... 8

B. OperatingInstructions ................... 9

C. Adjustable Handle ....................... 9

D. Trimmer Line Advance ................... 9

E. Cutting Methods ........................ 9

E Line Replacement ....................... I0

GENERAL I_ENANCE

/_ Maintenance Safety ...................... 11

B. Trouble Shooting Chart .................. 11

ACCESSORIES ............................. 11

PARTS AND SERVICE ............... Back Cover

SPECIFICATIONS

Adjustment

/ Handle

Trigger

Switch

MODEL:

MOTOR:

.vH

AMPS:

CUTTING PATH:

CUTTING LINE:

LINE FEED:

WEIGHT:

Shield

Air Vents

Trimmer Head

-2-

It WARNINGS AND SAFETY INSTRUCTIONS

(SeeAdditionalSafetyInstructionsthroughoutthisManual)

It WARNING - THIS POWER UNIT CAN BE DANGER O US! This unit can cause serious injury

or blindness to the operator and others. When using an electric trimmer, these basic safeW precautions must be fol-

lowed to reduce the risk of injury, fire, and electric shock. Failure to follow all instructions can result in blindness or

other serious injur_. The operator is respous_le for followingthe wernings and instructions in _ manual and on the

unit. Read the entire Operator's Manual before assembling and using this unit! Restrict the use of this

unit to persons who read, understand, and follow the warnings and instructions in this manual and on

the unit.

ill i,i i

It DANGER

NEVER USE BL._DES WITH

THIS LW1T.

- THE BLADE CANCOME OFFAND

8ERIOUSLY HURT YOU AND

OTHERS.

- rms _zs DESIGNFn_FOR

L_ _ USEONLY

Thro"__ It WARNING

OBJECTS VIOLENTLY.

_ -_ - YOU CAN BE BLINDED ORINJURED.

a_d Boots - WEAR EYE AND LEG PROTECTION.

60 Foot

(20 meter)

Hazard Zone

It WARNING

HAZARD ZONE FOR THROWN

OBJECTS

- TRIMMER _CAN THROW -

OBJECTS VIOLF, NTI_

- OTHERS CAN BE BLINDED OR

INJURED.

- KEEP PEOPLE AND ANIMALS 30

FEET (10 METERS) AWAY.

Operator's

Mauu_

Safety

Labels

It WARNING

OPER_TOR'S MANUAL

- FOLLOW ALL WARNINGS AND

INSTRUCTIONS.

- FAILURE TO DO SO CAN RESULT IN

SERIOUS INJURY_

-S-

WARNINGS AND SAFETY INSTRUCTIONS .... (C6ntinued)

A OPERATOR SAFETY

1. DRESS PROPERLY--Always wear eye protection

when operating,servicing,or performing_nainte-

naucoon yourunit....

2. _ways wear heavy,longpants,boots,and gloves.

wearingsafetylegguardsisrecommended.See "Ac-

cossones."Do notgobarefootorwearsandals,short

pants,jewelry,looseclothing,orclothingwithloosely

.hangingstraps,ties,tassels,etc.;theycan be caught

m moving parts.Securehairsoitisabove shoulder

len=_.Beingfullycoveredwillhelpprotectyou from

pieces of toxic plants such as poison ivy thrown by

trimmerhead whichcouldbe more ofa hazardthan

touchingtheplantitself.

3. STAY ALERT--Do not operatethisunitwhen you

aretired,ill,orundertheinfluenceofalcohol,drugs,

or medication.

4. AVOID UNINTENTIONAL STARTING OF THE

UNIT--Never carry the unit with your finger on

the switch. Be sure the switch is in the offposition be-

fore connecting the extensioncord,

5. Restrict theuseof this unit to persons who read, un-

derstand, and to]low the warnings and instructions

in this manual and on the unit.

A ELECTRICALSAFETY

1. Use only a 120 A-C. voltage supply as shown on the

name plate of the unit.

2. Avoiddangeroussituations.Do notuseinthepres_

onceof_le liquidsorgasestoavoidcrea_g a

fire or explomon and/or causing damage to the unit.

3. WARNING--TO REDUCE THE RISK OF ELEC-

TRICAL SHOCK--Do not use in damp or wet loca-

tions or around swimming pools, hot tubs, etc. Do not

ofe_ectricaletosnow,rain,orwatertoavoidthepossibility

shock.

4. WARNING--Use extension cords spec_cally

marked as suitable for outdoor appliances having

electrical rating not less than the rating of the unit.

An undersized extension cord will cause a drop in line

voltage resulting in loss of power and overheating. If

in doub%use the next heavier gauge. The smaller the

gauge number, the heavier the cord. (NOTE: Fig-

v.re 4 shows the correct size to be used depending on

the cord length).

5. DO NOT ATTEMPT TO REPAIR UNIT--Inspect

insulationand connectorsonunit and extensioncord

before each use. Ifthere is any damage, do not use un-

til damage isrepairedby qualifiedservicepersonnel

6. Never carrythe unitby theextensioncordoryank

theextensioncordtodisconnecttheunit.

7.To reducethepossibilityoftheextensloncorddlscon-

nectipg_ from the unit during operation, tie the cords

togeto_e_eeras shown in FigureNO TAG. Insert cord

socket on the unit into extension cord receptacle.

8. Do not use the unit ifthe switch does not turn the unit

on and off properly. Repairs to the switch must be

nmde by qualified service personnel

9. Keep the extensioncordClearof operatorand 0b-

staclesatalltimes.Do notexposecordstoheat,oil,

water,orsharpedges.

10.Avoidany body contactwithany groundedconduc-

tor,sucha metalpipesorwirefences,toavoidthepos-

sibilltyofelectricshock.

A UN/T SAFETY

L Inspectentireunitbeforeeachuse.Replacedamaged

parts.Make sureallfastenersareinplaceand se-

cure!yfastened.

2. Replace trimmer head parts that are cracked,

chipped,or_d befo_ usingtheunit

3. Use only.051"diameterline.Never usewire,rope,

string,etc.

4. Installtheshieldproperlybeforeusingtheunit:

5. Use onlythespecifiedtrimmerhead.Make surethe

trimmerhead isproperlyinstalledand securelyfas-

tened.Referto_Assembly."

6. Use only genuine SF._RS accessories as recom-

mended for this unit.

A CUTTING SAFETY

1. Inspectareatobecutbeforeeachuse.Remove objects

(rocks,broken glass,nails,wire,string,etc.)which

canbethrownorbecome entangledintrimmerhead.

2. KEEP CHILDREN AWAY--Keep othersinclu_g

children,animals,bystandersand _elpersoutsidethe

60foot(20meter)Hazard Zone.Stoptheunit_e-

diat_y if you are approached.

3. Avoid_a_'dental _s-t@A-tlng.Be sure the switch is in the

"O_ positlon and keep your hand and fingers away

from the switch while connecting the unit to an ex-

tension cord or when carrying a unit connected to a

power source.

4. Stop the unit and disconnect the power source when

notin use.

5. DO NOT OVERREACH OR STAND ON UNSTA-

BLE SUPPORT--Keep firm footing and balance.

Do not over-reach.

7" Keep the trimmer head below waist level

. Do not raise unit above your waist. The trimmer head

can come dangerously close to your body.

8. Keep all parts ofyour body away from trimmer head

when unit is running, fi

9. USE UNIT PROPERLY--Use only or jobsex-

plainedinthismanual Do not force the unit.

A MAINTENANCE SAFETY

1. Maintain the unit according to recommended prcoe-

dures. Keep cutting line at the proper length.

2. Have all internal service performe_ by qu_tlified ser-

vice personneltoavoidcreatingahazardand!orvoid-

ingyourwarranty._

3. DISCONNECT UNIT FROM THE POWER SUP-

PLY beforeperformingmaintenance.

4. Never douse or squirt the unit with water or any oth-

erliquid. Clean with a damp sponge. See '%Mainte-

nance ----Storage. _

5. Keep the air vents clean and free of debris to avoid

overheating the motor. Clean after each use. See

_Specificatious" for locations.

6. Use only genuine SEAR_ replacement parts as rec-

ommended.

A TP_SPORTING AND STORAGE

I. Hand carry the unit with the motor stopped.

2. Allow the unit to cool and secure the unit_before stor-

ing or transportlng in a vehicle. !:'

3. Storetheunitsothe Rue limltor cannotaccidentally

c_e mjur_.

4. STORE ITNIT INDOOI_S--Store unitunplugged

ina high,dryplaceoutofreachofchildren.

If situations occur which are not covered in this manual, use care and good judgment. Contact your

Authorized Service Dealer if you need assistance,

SAVE THESE INSTRUCTIONS

-4-

II I IIIIIIIIIII IIIIIIIIIIIIIIIIII I IIII

I _ iiiiii i iii iiii ]1

KNOW YOUR UNIT

I I [ IIII |1 II I II II I I

A. INTRODUCTION

YourTrimmer is a versatile product developed for

large lawns and to make short work of avariety of

lawn care tasks -- trimming, scalping, mowing,

and sweeping.

Special Features Include:

• Adjustable Assist Handle

• Adjustable Top HandlefI_ubeAssembly

• 15" Cutting Path

B. UNPACKING INSTRUCTIONS

L After removingthe contents from the carton,

check parts against the Carton Contents list,

2. Examine the parts for damage. Do not use

damagedpar_.

3. Notlfy your SEARS store immexZia_eIyif apart

is missing or dam_ed.

C. CARTON CONTENTS

KEY

NO. DESCRIPTION

QTY P/N

1. Trimmer 1 257.798040

-- Operator'sManual(L_t_ho_a) 1 534886690

Loose Parts Bag Contents:

2. AssistI-Iandle 1 5346834O5

3. Screw-Assist Handle 1 534828401

4. Knob - Assist Handle 1 534683305

5. hmert - Assist Handle 2 534719105

6. Screw - Tube 2 534774701

7. Locknuts - Tube 2 534828300

8. Shield 1 534685225

9. Front Guard 1 534677215

10, Screw - Shield 2 534790303

11. Washer S 534828702

12. Yoke 1 534683205

D.DOUBLE INSULATION CONSTRUCTION

This unit is Double Insulated to help protect

against electric sho&k. Double insulation con,

struction consists of two separate _tayers" ofelectri' :

cal inmlatiow •

Tools built with this insulation system are not in-

tended to be grounded. Asaresult, the extension cord

used with your unit can beplugged into any _udard

120 voltelectrical outlet

Safety precautions must be observedwhen op-

erating any electrical tool The double insulation

systemonly provides addedprotectionagainstinjury

resul"_.ugfrom an internal electrical insulation_.l-

LU'e.

' A WARNING

All electrical repairs .to this :m_it, including

housing, switch, motor, et_ must be diagnosed

andrepairod by qualifiedservice personnel. Re..

pla .c_nent parts, ,for. a: .double insulated

appli_mce must be ide_ti_ to the parts they,re=

place. A double insulated applisnce is marked

with the words"DOUBLE INSULATION or

"DOUBLt', R_SULATED," _The symbol (square

within a square) _ rosy also be marked on the

appliance. Failure to have the unit repaired by

Sears qualified service personnel can cause the

double insulation construction to become inef-

fective and result in serious inj_,. . i

ASSEMBLY

If your unit is received assembled, repeat all steps in this section to be sure assembly is correct and is

adjusted for the operator.)

PREPARATION

This Operator's Manual is designed to help you assemble and safely operate this unit. It is important that you read

the entire manual to become f_zitiar with the tool before you begin assembly.

TOOLS NEEDED FOR ASSEMBLY."

L Phillips Screwdriver

2. AdjustableWrench

A.ASSIST HANDLE ATTACHMENT

1. Pass the wire harness through the slot in the bot-

tom ofthe yoke. Figure 1 (inset),

2. Slide the yoke onto the upper tube as shown in

Figure 1 (inset).

3. Place the assist handle over the yoke. Assemble

parts as shown in Figure l.

4. Place the boltin the a_ist handle. Figure t.

Thread the knob onto the bolt and tighten unti!

the parts are snug.

illllllllllllll H illliw

B. TUBE ASSEMBLY

1. Slide the outer tube UPthe lower tube and over the

end of the upper tube until the screw holes are

aligned. Figure 2.

When performing step 2, take care not to

pinch, cut, or twist the ale or wire harness.

2. Insert screws through holes in tubes. Figure 2.

3, Thread the loclmuts onto the screws and tighten

securely.

C. SHIELD ATTACHMF2qT

. Aw Nm I

The shield.must be properly installed. The[

shield provades partiaI protection from the risk[

of thrown objects to the operator _ othe.rs and [

is equipped with aline limiter which cuts line to]

the proper length. [

Failure to install the shield in the imsition[

shown i_ Figuro 3 can result in serlous m3ury to [

the operator. Carefully follow assembly "mst_ c- I

#lolls when attaching the shield to the unit. Fig- I

In'e _.

The line limiter (on the underside of

the shield) is sharp and can cut you.

1. Slide the rear stfietd end the front shield into the

grooves on the trimmer housing. ,Figure 3.

]_T_O_T_:Take care not to trap the cuttingline between

the shields, or between one of the shields end the

lz_nmer housing.

Assist

Handle

Yoke / Washer

Figm"e 1

Lower Tube

Rear

Shield

Screw

Holes

L/miter

Screw

Holes

Front

Shield

Fig e3

2. Align the screw holes in the rear shield with the

screw holes in the fi_nt shield. Figure 3.

3. Thread screws into the holes. Tighten securely.

_T_Q_E: Remove the protective cover from the line

limiter before using the unit,

-6-

D.PRE-OPERATION CHECKS

. A WARNING !

Review all Warnings and Safety Instructions in[

this manual, t

1. Before operatmgyour tool, always.

a. I_t the entire tool before each use. Re-

place damaged parts. Make sure a]] fasteners are

in place and securely fastened.

b. Replace trimmer head parts that are

cracked, eJxipped, broken, or _ed in

any other way before using the tool.

i iii I

E.EXTENSION CORD ATTACHlVlENT

1. Use only a 120 A.C. voltage supply as shown

on the nameplate of the unit to power your blower.

2. The extension cord used to reach the power

source must be:

a. Specifically marked as suitable for out-

dooruse. The cord mu_t bemarked with the suf-

fix_WH _

b. Heavy enough to carry the current from

the power sourem the _ length of the ex-

tension cord to the unit. Otherwise, loss of

power and overheating can occur _using dam-

age to tho unit. Refer toFigure4 for_um

wire gauge recommendations. The cord m_ be

marked with the proper wire gauge. (AFpropn-

ate extension cords are available.)

In good conditioxL Cord _nmlation must be

intact with no cracks or deterioration. Plug con-

n_a-s mnst _ un_

3. Secure extension cord to unit as follows:

v. Tie the cords together as shown in Figure 4.

b. Insert the Cord Socket on the unit into the Ex-

tension Cord Receptacle. Figure 4.

F. OPERATING POSITION

1. Before operating the unit, stand as shown in

Figure 6 and chec_ for the follo_.

LeR arm fully extended, hand holding Assist

Handle.

b. Right arm slightly bent, hand holding haudle.

c. Unit below waist level

d_ Weight of -_it evenly distn?_uted between

a.v£_.

e, Without operator bending over, the Trimmer

Head is near and parallel to the ground and

easily contacts the material to be cut.

2. Adjust Assist Handle to a comfortable po_fiom

c. Use only ,065" diameter line. Never use

wire, rope, string, etc.

d. Use onlywith the shield properly attached.

e. Use only the specified "trimmer head. See

."Specifications." Make sure the trimmer head

is properly installed and securely fastened.

Refer to "Using Your Unit."

f. Use only genuine SEARS accessories or at-

tachments recommended for this tool

,,,I,HI I

GAUGE

RECOMMENDATIONS

' i -o0 .I o- oO T.I

.......,,120 16 14 12

_W.G.* _W.G.* A.W.G.*

Cord

Socket

OPERATING

POSITION

i i i LLLLLLJ I ml II I

-TOTES

-7-

I II

mll II iii |1 " II I

USING YOUR

Face Boots

Shield

ii i

60Foot

/ . _, _/(20 meter)

_ Hazard Zone

i i

Use Only Genuine

SEARS

Replacement Parts

L,ll ,

A_ WARNING-THROWS OBJECTS

The rapidly moving line causes objects to be

thrown violently. The shield will not provide

complete protection to the operator or others.

The operator must wear a safety face

shield or goggl_e_ Always wear heavy,

longpants and boots. Keep others at least

30 feet (10 meters) awa_

_k WARNING - HAZARD ZONE

This unit will throw objects and cut. Keep

others including children, _s, by-

standers, and helpers at least 30 feet (10

meters) away from the operator audunit.

Stop the umt if you are approached.

A WARNING- DAMAGED

TRIMMER HF_kD

Trimmer headpartsthat are chi'pped,cracked,

broken, or dan_ged in any other way can flvy

apert and cause serious injury. Do not use.

_u_m_t.Iacedamaged parts-before using the

• i i| i i/ ii

LINE TRIMMER SAFETY

1. OPERATOR SAFETY

m Always wear a face s_ffety shield or gog-

gles. See =Accessorles. _

b. Always wear heav_ long lmmts, boots,

and gloves. See _Accesseries. _ Do not wear

loosed_Idng, jew_elry,short pants, sandals or

go barefoot. Secure bah- so it is above shoulder

]engttL Being fully covered will help protect

you from piece s of toxic phnts such as poem

ivy thrown by the Trimmer Head whi_ could

be more ofa hazard than touching the plant it-

c. Do not operate this unt.t when you are

tired, ill or under the influence of alco-

hoL drugs, or medication.

2. UNIT SAFETY

a. Inspect the entire unit before each use.

Replace damaged p_-_cs. Make rareallfasten-

ersare in phce and securely fastened.

b. Use only .065" dimneter llne. Never use

wire, rope, string,.eta

c. Be sure the shield is properly attached.

d. Make sure the trimmer head is properly

installed and securely fustened_ Refer to

the "Using Your Unit" section.

e. Use only genuine SF_kRS accessories or

attachments as recommende_

CUTTING SAFETY

a. Inspect the area to be cut before each

Remove objects (.ro_.,broken glass,

_, wire, s_: etc.) which, can be thrown or

become entangledinthetrimmerheacL

b. Always keep the unit on the right-hand

side of your body.

c. Hold the u_'t flr_. y.

d. Keep firm fdoting and balance. Do not

over-reach. -

€. Keep the trimmer head belowwaist level.

fi Do not raise the unit above your waist.

The trimmer head can come dangerously close

toyourbody.

g. Keep all parts of your body away from the

trimmer line when the unit is running.

h. Use only for jobs explained in this man-

uaL

NOTES

-8-

B. OPERATING I_STRUCTIONS

L Bring the unit to full speed before entering

the material to be cut.

2. Always release the Trigger switch and allow

the unit to stop when not cutting.

C. ADJUSTAB_ HANDLE

Your trimmer is equipped with a new adjustable handle

which makes trimming and edging around hard to reach

areas much easier. The adjustment lever is located on

thefront of the handle grip. Figure 7. Make sure tz_m-

met head is resting on the ground when adjusting the

handle.

1. Rest the trimmer head on the ground.

2. Pul! the Adjustment Lever toward the top of the

handle. Figure 7,

3. Adjust the handle to the desiredposition as shown

in Figure 7 (inset) and release the A_l_ustment Le-

ver. The tmudle will lock inte place Automatically.

Handle Grip

Figure 7

jl iii1! iiii iiiiiiii I iiiiiiiiiiiiiiiiiiiiiii I

D. TRIMMER LINE ADVANCE

• Your trimmer is equipped with anAutomat-

ichead. Whenever the switchispressed, the heed

automatically advances a predetermined amount

of line. Allow the trimmer head to stop turning

before restarting to advance more line. Do not

advance more Hue than necessary by exces-

sively starting and stopping the trimmer.

* The line limiter will cut the line to the co_

rect length. The most efficient Iine length is the

maximum length allowed by the line limit.

• Always keep the shield inplace when the unit

is being operated. Figure 8.

. A WARN_G . I

Do net bump trlm__.merhead _ hard objects]

or.bump on the ground to advance the line.[

Trimmer head parts _ break off aud fly apart I

and e.a_e.. serious injury. Do not use trimmer[

head with damaged or broken parts, [

• To Advance Line:

1. Press the trigger swit_ Line advances auto-

matically when trimmer head begins to turzL

2. To advance llue again, allow trimmer head to

come to a complete stop. Then, press trigger

swlt_ again -- line advances automatically.

A WARNING

Use only.065" diameter _ Other sizes of.line

will not advance properly and can cause semous

Donotuse o.th_ ra.a_ su_ as

s_g, rope, e_e. wxre can nresx on during cu_

ting and beco.me a dangerous missile that can

eause serious iniur_ .........................

Line L/miter _ To advance line, al-

Cuts Line T0 [ 1 low Trimmer Head to

\ k----4

Figures

E. CUTTING METHODS

A WAernxa..................

Do not crowd the line when cutting around hard

objects (rock, gravel, fen_ee _ ere), which

can damage.the trimmer head, beeo. me en.tan-

gled in the llne, or be thrown causmg a sertous

• The tip of the line does the cutting. You will

achieve the best performance and minimum line

wear by not crowding the line into the cutting

arev.The rightand wrong ways areshown inFig-

ure9.

• The linewilleasilyremove grassand weeds

from around walls, fences, trees, and flower

beds, but it also can cut the tend_ bark of

trees or shrubs and scar fences.

Line Crowded Into

Work Area

WRONG

'I Tip of the IAne

Does The Cutting

WGHT

Figure 9

-9-

...... AWARNING .... [

Always wear eye protection. Nevel-lean over the

trimmer head. Rocks or debris can ricochet orl

be thrown into eyes and face and cause blind-I

heSS or other serious injury. , I

TRIMMING - Figure 10. Hold the bottom of

the trimmer head about 3 inches above the ground

and at an angle. Allow only the tip of the line to

make contact. Do not force the trimmer line into

the work area.

SCAI_ING - Figure I0. The scalping tech-

nique removes unwanted vegetation. Hold the

bottom of the trimmer head about 3 inches above

the ground and at an augle. Allow the tip of the

line to strike the ground around trees, posts,

monuments, etc. Th_ tevhn_me incr_ses line

we_TJl

MOWING- Figure 11. Your trimmer is ideal

for mowing in places conventional lawn mowers

cannot reacl_ In the mowing position, keep the

line parallel to the ground. Avoid pressing the

head into the ground as this can scalp the ground

and damage the unit.

SWEEPING - Figure 1L The f_g action

ofthe rotatingtine can be used for a quick and easy

clean up. Keep the ]i_e paraUel to and above the

surfaces being swept and move the unit from side

to side.

Figure 10

FigureII

E LINE REPLACEMENT

• For proper line fee&

- Use only genuine pre-wound spools and

.065" diameter line. Use of other t_es of

SpooLsorlinescamresultinexcessiveb_

line welding,and improperlinefeed.

- Pre-wou_d _spools offer.the most conven-

ient method for replacing line as well as

optimum performance.

• Always dean dirt and debris from the spool

and hub when performing any type mainte-

n_ce,

WARN G . 1

Trimmer head parts that are chipped, cracked, l

broken, or damaged m .a__y.other way can fly[

apart and cause serious _ Do not use. Re- [

place damaged,,,parts befo,,_,, using the unit, !

I. Installing Spool w/Line

v_ Stop the unit and unplug the power cord.

b. Pushthe Release Button and remove the Trhn-

mer Head Cover. Figure 12.

Remove the spool. Figure 13.

d. Clean dirt and debris f_om all parts. Inspectall

Trimmer headparts for_. Replace dam-

agedparts.

e. _eplaceorrewindoldspool.

f. _ the spool in.tothe Hub. Figure 13. inow3

_o _ inches o: line to extend through the lin e

exit opening. Figure 13.

g. Reinstall Trimmer Head Cover.Figure12.

- 10-

Figure 12

Figure 13

Button

Hub

2. Installing Line On Spool

Hold spool as shown in Figure 14.

b. Insert 1/4_ to 8/8 o£1ine through the tapered

slot in the top of the spool. Figu:re 14 (inset).

c. Wrap line evenly in direction indicated by the

arrow on the spool. To ensure proper line ad-

vance,avoidcrossoverorcrisscrossingofline.

Do notwrap more than50 feetof.065_dio

ametorlineontothespool.

ct Follow instructionsin =InstallingSpoolw/

Line," steps =f." through =g?

iii i

GENERAL MA_INTENANCE

A. MAINTENANCE SAFETY

i. Maintain the tool according to recom-

mended procedures. Keep the cuttinglineat

the proper length.

2. Disconnect power source before perform-

ing malntenenee.

3. Keep the unit clean. Use a sponge dampened

with a solutl0n ofnnRd soap and water. Do not use

solvents or petroleum based cleaner of any kind.

i ii II

imlllll i

Arrow

HIII!H IIII

Wrap Line In

DirectionOf

Arrow On Spool

Figure 14

i IHII IIIIIIII I

4. Replace trimmer head parts that are cracked,

chipped, broken, or damaged in any other way be-

fore usingthetool

5. Useonly .065"diameterline.Neverusewire,

rope,string,etc.

6. Use only genuine SEARS replacement

parts,

7. _ the entire tool. Replace daumged

parts. Make sure all fasteners are in place and se-

cL__relyfastene&

8. Keep air vents free of debris at all times,

ml III i

B. TROUBLE SHOOTING CHART

i i

SYMFIDM

Trimmer Head

stops under a

loador doesnot

turnwhen

switch is pressed.

Linedoesnot

advanceor

breakswl_e

cutth_

CAUSE

i i

a_ Crowding trimmer line against

mate_l being cut_

b. House circuit breaker tripped.

c. None of the above.

Line improperly routed in head. w

Line improperly wound onto spool, b.

Inferior line. c.

Too little line outside head. d.

Dirt a_nulated on coven e.

Line size incorrect.

Incorrect spool b.

Crowding line _ mater_d being cut. c.

Line improperly routed in head. a

Line size incorrect, b.

Crowdinglineagainstmaterislbeingcut.c.

Too little mineoutside of head. v.

REMEDY

_. ]_cktrimmerhead away from grassbedngi

cut; allow tip of line to do the cutting.

b. Check circuit breaker.

c. Contact your SEARS Service Center/Dept.

Re= ecoverClie rou g

Rewind minetightly and evenly.

Replace line with new .065" diameter Rue.

Remove cover. Pul! 4" ofline to outside.

Cleau cover.

Line welds

ontospool. Use properspool.

Cutwithtipofline.

,,.,lli_ • HHHHHH"

a. Remove cover. Check line routing.

excessive, b. Use only .065" diameter line.

c. Cut withtip ofline.

IAneputls back _L Remove cover. Pnll4 _ ofline to outside.

intohead.

......., HHHHH H

HHHHHHHlH IIIII HHHHHHHHlHH HI HHHlH I roll

i I irlHl ii mmrml mmm,H HH, HHI

ACCESSORIES

m . _ ............... ,,,,,,,, , illlllll i iiiiii

ITEM _" STOCK NO.

SAFETY GLASSES ....................................................................... 918613

SAFETY GOGGLES ...................................................................... 918590

EXTENSION CORD ...................................................................... 7157020

SPOOLW/L]NE -- .065" DIb_ . ..................... 7185833

NYLON LASER LINE -- .065" DIAl-- 100 FT............................................. 7185772

NYLON LASER LINE -- .065" DIAl--200 FT. .... 7185607

NYLON LASER IXNE -- .065" DI_--400 FT. ............................................ 7185769

OPERATOR'S MANUAL .................................... 534886690

- 11 -

Operator's

Manual

Model No.

257.798040

How to Order

Repair Parts

SEARS SERVICE

IS AT YOUR SERVICE

The ModelNumber willbe foundbelowthetophandlewiththeSerial

Number. AlwaysmentiontheModelNumber when requestingservice

or repair parts for your unit.

Al! parts listed herein my be ordered from any Sears Service Center

and most Sears Stores.

WHEN ORDERING REPAIR PARTS ALWAYS GIVE THE FOLLOW-

ING INFORMATION AS SHOWN IN THIS LIST:.

1. The PART NUMBER

2. The MODEL NUMBER

257.798040

3. The PART DESCRIPTION

4. The NAME OF ITEM

-- Electric Trimmer

If the parts you need are not stocked loca!ly, your order will be trans-

mitted to a Sears Repair Parts Distn%ution Center for handling.

When you buy mer_audlse from

Sears you get an extra value that

nobody else can offer -- Sears

Service.

Acrosstown or acrossthe coun-

try,SearsServiceisalwaysnear,

providingtrustworthy,compe-

tent servicetechniciansusing

only Sears specifiedfactory

parts.

YourSearsMerchandisetakesonadded_alue.whenyou discoverthat

SearshasServiceUnitsthroughoutthecountry.Eachisstaffedby

Sears-Trained,professionaltechnicians_g Sears approved

methods.

i i ............................

Sold by Sears, Roebuck and Co., Hoffman Estates, M. 60195 USA

534886690-1-09/28/92

PRINTED IN U.S.A.

Craftsman 257798040 Owner's manual

Brand: Craftsman

Model: 257798040

Category: Grass trimmers

Type: Owner's manual

This manual is also suitable for

257.798040

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Craftsman 257798040 Owner's manual

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