Craftsman 900745470 Owner’s Manual
TRIMMER/EDGER
U.S.A. Model 900.74547
Canada Model C935.51850
• Safety
-&CAUTION:
Before using this product,
read this manual and follow
all its Safety Rules and
• Operation
• Maintenance
• EspaSol, 12
• Fran£ais, 21
Operating Instructions.
Sears, Roebuck and Co., Hoffman Estates, IL 60179 USA
www.sears.com/craftsman
Form No. 90529772 DEC. ' 07 Printed in China
auxiliary_, __ - trigger
handle __
nylon cutting line_b°_tversi°n
guard
[,._-] Lv;/;1:1:T;I_/ i_"d
CRAFTSMAN ONE YEAR FULL WARRANTY
If this Craftsman product fails due to a defect in material or workmanship within one
year from the date of purchase, return it to any Sears store or other Craftsman outlet in
the United States for free replacement.
This warranty does not include the cutting line, which is an expendable part.
This warranty applies for only 90 days from the date of purchase if this product is ever
used for commercial or rental purposes.
This warranty gives you specific legal rights, and you may also have other rights which
vary from state to state.
Sears, Roebuck and Co., Hoffman Estates, IL 60179
TO REDUCE RISK OF INJURY:
• Before any use, be sure everyone using
this tool reads and understands all safety
instructions and other information
contained in this manual.
• Save these instructions and review
frequently prior to use and in instructing
others.
• ALWAYS WEAR EYE PROTECTION -
Wear safety spectacles or goggles at all
times when this tool is plugged in.
• GUARD - Do not use this tool without
guard attached.
• DRESS PROPERLY- Do not wear
loose clothing or jewelry. They can be
AWARNING: When using electric
gardening appliances, basic safety
precautions should always be followed to
reduce risk of fire, electric shock, and
personal injury, including the following:
READ ALL INSTRUCTIONS.
caught in moving parts. Rubber gloves
and substantial rubber soled footwear
are recommended when working
outdoors. Don't operate the tool when
barefoot or wearing open sandals. Wear
long pants to protect your legs. Wear
protective hair covering to contain long
hair.
• NYLONLINE- Keepface,handsand
feetclearofrotatingnylonlineatalltimes.
•THEROTATINGLINEPERFORMSA
CUTTINGFUNCTION- Usecarewhen
trimmingaroundscreensanddesirable
plantings.
• KEEPALLBYSTANDERSAWAY- ata
safedistancefromworkarea,especially
children.
• IMPORTANTWARNING- Whenbeing
usedasanEdger,stones,piecesof
metalandotherobjectscanbethrown
outathighspeedbytheline.Thetool
andguardaredesignedtoreducethe
danger.However,thefollowingspecial
precautionsshouldbetaken:
• MAKESUREthatotherpersonsand
petsareatleast100feet(30m)away.
•TOREDUCETHERISKofrebound
(ricochet)injury,workgoingawayfrom
anynearbysolidobjectsuchaswall,
steps,largestone,tree,etc.Usegreat
carewhenworkingclosetosolidobjects
andwherenecessary,doedgingor
trimmingbyhand.
•AVOIDACCIDENTALLYSTARTING-
Don'tcarryplugged-intoolwithfingeron
trigger.
• DONOTFORCETHETOOL- atarate
fasterthantherateatwhichitisableto
cuteffectively.
• USETHERIGHTTOOL-Donotusethis
toolforanyjobexceptthatforwhichitis
intended.
• DON'TOVERREACH- Keepproper
footingandbalanceatalltimes.
• DON'TABUSECORD- Don'tyankcord
frompowersupply.Keepcordfromheat,
oil,andsharpedges.
• DAMAGETOUNIT-Ifyoustrikeor
becomeentangledwithaforeignobject,
stoptoolimmediately,unplug,checkfor
damageandhaveanydamagerepaired
beforefurtheroperationisattempted.Do
notoperatewithabrokenhuborspool.
• DAMAGETOCORD- Keeppowercord
awayfromrotatingline.Ifyoudamage
thecord,unplugitfromthepowersupply
beforemovingthetoolorexaminingthe
damage.Adamagedcordmustbe
replacedbeforefurtheruse.
• DISCONNECTTOOL-whennotinuse,
whenreplacingline,orpriortocleaning.
•AVOIDDANGEROUS
ENVIRONMENTALCONDITIONS-Do
notuseelectrictoolsindamporwet
locations.Followallinstructionsinthis
InstructionManualforproperoperation
ofyourtool.Don'tusethetoolintherain.
• DONOTOPERATEportableelectric
toolsingaseousorexplosive
atmospheres.Motorsinthesetools
normallyspark,andthesparksmight
ignitefumes.
• STOREIDLE TOOLS INDOORS -
When not in use, tools should be stored
indoors in a dry, locked-up place out of
reach of children.
• GROUND FAULT CIRCUIT
INTERRUPTER (GFCI) protection
should be provided on the circuits or
outlets to be used for the gardening
appliance. Receptacles are available
having built in GFCI protection and may
be used for this measure of protection.
• SECURE EXTENSION CORD using the
cord retainer shown in Figure 7.
• STAY ALERT - Watch what you are
doing. Use common sense. Do not
operate tool when you are tired.
• MAINTAIN APPLIANCES WITH CARE
- Follow instructions in maintenance
section. Inspect extension cords
periodically and replace if damaged.
Keep handles dry, clean and free from oil
and grease.
• CHECK DAMAGED PARTS - Before
further use of the appliance, a guard or
other part that is damaged should be
carefully checked to determine that it will
operate properly and perform its
intended function. Check for alignment of
moving parts, binding of moving parts,
breakage of parts, mounting, and any
other condition that may affect its
operation. A guard or other part that is
damaged should be properly repaired or
replaced by an authorized service center
unless otherwise indicated elsewhere in
this manual.
_,WARNING: When servicing double
insulated tools, USE ONLY IDENTICAL
REPLACEMENT PARTS. Replace or
repair damaged cords.
AWARNING: Toprevent electrical shock
hazard, use only with an extension cord
suitable for outdoor use. Always connect
extension cords to a fused line or one
_protected by a circuit breaker.
WARNING: To reduce the risk of electric
shock use only with an extension cord
intended for outdoor use, such as SW-A,
SOW-A, STW-A, STOW-A, SJW-A,
SJOW-A, SJTW-A or SJTOW-A.
• EXTENSION CORD. Make sure your
extension cord is in good condition.
When using an extension cord be sure it
is heavy enough to carry the current your
product will draw. An undersized
extension cord will cause a drop in line
voltage resulting in loss of power and
overheating. The following table shows
thecorrectsizetousedependingon
cordlengthandnameplateampere
rating.Ifindoubt,usethenextheavier
gage.Thesmallerthegagenumber,the
heavierthecord.
_,ADDITIONAL WARNINGS FOR
STRING TRIMMERS
1. DO NOT immerse tool in water or
squirt it with a hose. DO NOT allow
any liquid to get inside it.
2. Do not store the tool on or adjacent to
fertilizers or chemicals.
3. DO NOT clean with a pressure
washer.
Minimum Gage for Extension Cords (AWG) 120
VAC Tools
TotalCord Length 0-25 26-50 51-100 105-150
Amp Rating AWG AWG AWG AWG
More than 0 18 16 16 14
Not More than 6
More than 6 18 16 14 12
Not More than 10
More than 10 16 16 14 12
Not more than 12
More than 12 14 12 Not
Not more than 16 Recommended
Double insulated tools are constructed
throughout with two separate layers of
electrical insulation or one double
thickness of insulation between you and
the tool's electrical system. Tools built
with this insulation system are not
intended to be grounded. As a result,
your tool is equipped with a two prong
plug which permits you to use extension
cords without concern for maintaining a
ground connection.
To reduce the risk of electric shock, this
equipment has a polarized plug (one
blade is wider than the other). This
equipment must be used with a suitable
polarized 2 wire or 3 wire extension cord.
Polarized connections will fit together
only one way. Make sure that the
receptacle end of the extension cord has
large and small blade slot widths. Ifthe
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_,WARNING: Some dust created when
using lawn and garden power tools
contains chemicals known to cause
cancer, birth defects and other
reproductive harm.
Some examples of these chemicals are:
• crystalline silica from sand, bricks and
other masonry dust
• arsenic and chromium from chemically
treated lumber (CCA)
• compounds in fertilizers
• compounds in insecticides, herbicides
and pesticides
Health risk from these chemical
exposures varies, depending on the
NOTE: Double insulation does not take
the place of normal safety precautions
when operating this tool. The insulation
system is for added protection against
injury resulting from a possible electrical
insulation failure within the tool.
Replacement parts: When servicing all
tools, USE IDENTICAL REPLACEMENT
PARTS. Repair or replace damaged
cords.
plug does not fit fully into the extension
cord, reverse the plug. If it still does not
fit, obtain a suitable extension cord. Ifthe
extension cord does not fit fully into the
outlet, contact a qualified electrician to
install the proper outlet. Do not change
the tool plug or extension cord in any
way.
environment in which you are working and
how often you do this type of work. To
reduce your exposure to these chemicals,
follow product label instructions to apply
chemicals such as fertilizers, insecticides,
herbicides or pesticides. When using
these tools, wear safety equipment such
as gloves and dust masks which are
especially designed to filter out
microscopic particles.
SAVE THESE INSTRUCTIONS
FOR FUTURE USE.
ASSEMBLY TOOLS REQUIRED (NOT
SUPPLIED):
- Phillips Screwdriver
ATTACHING THE TWO PIECE
GUARD
_t,WARNING: UNPLUG THE TOOL
BEFORE ATTEMPTING TO ATTACH
THE GUARD. NEVER OPERATE TOOL
WITHOUT GUARD FIRMLY IN PLACE.
THE GUARD MUST ALWAYS BE ON
THE TOOL TO PROTECT THE USER.
• Remove the two guard sections from
the carton.
• Attach the first guard section with side
tab into the groove around the housing
as shown in figure 1. Align the hole in
the guard with the post on the trimmer
housing.
O
Tab
• Insert the side tab from the first guard
section into the slot of the second guard
section until you hear them "snap"
together (figure 3).
• Insert the 3/4inch (19mm) screw as
shown in figure 4 to complete the guard
assembly.
O
Remove the screw from the second
guard section.
• Insert the top tab from the second
guard section into the first guard
section as shown in figure 2. NOTE:
The rib behind the tab should be
hooked over the rib of the first guard
section. (See inset figure 2).
Rib
• Once the guard is installed, remove the
covering from the line cut-off blade,
located on the edge of the second guard
section.
ATTACHING THE AUXILIARY
HANDLE
• Attach the handle to the metal shaft of
the trimmer by pushing it onto the shaft
from the side. Once it is pushed onto
the metal shaft, the handle can be
turned into the correct orientation.
• Insert the 2-1/2 inch (63.5mm) bolt
throughtheholesinthehandleand
threadontheplasticknobasshownin
figure 5.
For maximum comfort and control,
adjust the auxiliary handle to suit your
height. Shorter users adjust handle to a
lower position (away from you) and
taller users, adjust handle to an upper
position (towards you). The handle
should be adjusted so that your front
arm is straight when the trimmer is in
the working position.
HEIG HT ADJ USTM ENT
• The overall height of the trimmer can
be adjusted by pressing the conversion
button shown in figure 6 and moving
the metal tube up or down into one of
the three rectangular recesses in the
tube until you hear it "snap" into place.
_, CAUTION: Confirm that the tube is
locked in place by releasing the button
and pushing down on the tube.
ATTACHING EXTENSION CORD
• An extension cord retainer (figure 7) is
built into the switch handle that
prevents the cord from coming
unplugged. To use this feature, simply
double the extension cord about 8
inches (203mm) from the end, and
insert it into the slot in the bottom of
the handle area. Hook the loop formed
by doubling the cord over the tab.
Gently tug on the cord to insure that it
is firmly retained in the trimmer's
handle. Plug the receptacle end of the
extension cord into the plug blades in
the trimmer.
O
AWARNING: Always use proper eye
protection that conforms toANSI Z87. 1
(CAN/CSA Z94.3) while operating this
power tooL
ACAUTION: Inspect area to be trimmed
and remove any wire, cord, or string-like
objects which could become entangled
in the rotating line or spool. Be particularly
careful to avoid any wire which might be
bent outwardly into the path of the tool,
such as barbs at the base of a chain link
fence.
SWITCHING ON AND OFF
• To switch the tool on, squeeze the
trigger lever.
• To switch the tool off, release the
trigger lever.
• With the unit on, angle unit and slowly
swing the trimmer side to side as
shown in figure 8.
O
BLOWER FUNCTION
(FIGURE 10)
The air flow created by the motor funnels
up through the guard to provide a built-in
blower. This feature can be used to blow
grass clippings off of sidewalks and other
hard surface areas.
• To operate as a maintenance edger,
unplug the unit from the power source.
Push the conversion button and rotate
the tube 180 ° as shown in figure 6.
The tool will lock in position. Gently pull
the wire edge guide down into place as
shown in figure 9 and position the
trimmer above the surface as shown in
figure 9.
• Return to the trimming position by
unplugging the unit from the power
source, pushing the conversion button
and rotating the tube back 180°. The
tool will lock in the trimmer position.
When using the tool return the wire
edge guide to the original position, out
of the way.
CUTTING LINE / LINE FEEDING
Your trimmer uses .065 inch (1.65
mm) diameter, ROUND nylon line.
During use, the tips of the nylon lines
will become frayed and worn and the
special self feeding line hub will
automatically feed and trim a fresh
length of line. Cutting line will wear
faster and require more feeding ifthe
cutting or edging is done along
sidewalks or other abrasive surfaces
or heavier weeds are being cut. The
advancedautomaticlinefeeding
mechanismsenseswhenmorecutting
lineisneededandfeedsandtrimsthe
correctlengthoflinewheneverit's
required.DONOTBUMPuniton
groundinattempttofeedlineorfor
anyotherpurposes.
FITTING A NEW SPOOL OF AFS
CU'I-I'ING LINE (FIGURES 11 & 12)
• Unplug the tool.
• Depress the tabs (a) and remove the
cassette (b) from the cassette housing
(c) in the trimmer head (figure 11}.
@
am
• Grasp empty spool (d) with one hand
and cassette with other hand and pull
spool out from cassette. If lever (e) in
base of cassette becomes dislodged,
replace in correct position before
inserting new spool into cassette.
• Remove any dirt and grass from the
cassette and housing.
• Take the new spool and push it onto
the boss (f) (figure 12) in the cassette.
Rotate the spool slightly until it is seated.
• Unfasten the end of one of the cutting
lines and guide the line into one of the
eyelets (g) (figure 12}. The line should
protrude approximately 4-3/8 inches
(111mm) from the cassette.
• Unfasten the end of the other cutting
line and guide the line into the other
eyelet. The line should protrude
approximately 4-3/8 inches (111mm)
from the cassette.
• Align the cassette tabs (a) with the slots
(h) in the housing (figure 11).
• Push the cassette onto the housing
until it snaps securely into place.
CAUTION: To avoid tool damage, If the
cutting lines protrude beyond the
trimming blade (i), cut them off so that
they just reach the blade (figure 11).
N
WINDING NEW LINE ONTO AN
EMPTY SPOOL (FIGURES 13 &14)
You may wind new cutting line onto an
empty spool. Replacement packs of .065
inch (1.65 mm) cutting line are available
from your Sears store.
• Remove the empty spool from the tool
as described in "FITTING A NEW
SPOOL OF AFS CUTTING LINE".
• Remove any remaining cutting line
from the spool.
• First wind new line onto the uppermost
part of the spool.
- Feed 3/4 inch (19mm) of cutting line
into one of the line anchoring slots.
- Wind the cutting line onto the spool in
the direction of the arrow on the spool.
Make sure to wind the line neatly and in
layers. Do not crisscross (figure 13).
O
,/
X
- When the wound cutting line reaches
the recesses (j), cut the line. (figure 14).
- Temporarily park the line in the holding
slots (k)on one side of the spool as
shown inthe inset in figure 14.
• Repeattheaboveprocedureforthe
secondcuttinglineonthelowersection
ofthespool.
• Fitthespoolontothetoolasdescribed
in"FITTINGANEWSPOOLOF
CUTTINGLINE".
_CAUTION:Beforeyoubegintrimming,
onlyusetheappropriatetypeofcutting
line.Ensurethatcuttinglineispresentin
bothsectionsofthespool(figure12).
2.Yourtrimmerlinecandryoutover
time.Tokeepyourlineintopcondition,
storesparepre-woundspoolsorbulk
lineinaplastic,sealablebagwitha
tablespoonofwater.
3.Plasticpartsmaybecleanedbyusing
amildsoapandadamprag.
4.Thelinecutterontheedgeoftheguard
candullovertime.Itisrecommended
youperiodicallytouch-upthe
sharpnessofthebladewithafile.
UseCraftsmanreplacementspoolModel
No.85942.
Reloadnylonline(eitherbulkorprewound
replacementspool)asdescribedinthis
manual.
• USEONLY.065 inch (1.65 mm)
DIAMETER NYLON MONOFILAMENT
LINE. Do not use serrated or heavier
gauge line, as they will overload the
motor and cause overheating. The unit
only functions properly with .065 inch
(1.65 mm) diameter nylon monofilament
line. This line is available at your local
Sears store or other Craftsman outlet.
_,WARNING: The use of any accessory
not recommended by Sears for use with
this tool could be hazardous.
IMPORTANT: To assure product SAFETY
and RELIABILITY, repairs, maintenance
and adjustment should be performed by a
Sears or other qualified service dealer,
always using identical replacement parts.
-4,WARNING: To avoid serious injury,
switch off and unplug the tool before
performing any maintenance.
1. Keep the air intake slots (figure 15)
clean to avoid overheating.
_t,WARNING: To avoid serious injury,
switch off and unplug the tool before
performing any maintenance.
Tool runs slowly
• Check that the cassette housing can
rotate freely. Carefully clean it if necessary.
• Check that the cutting line does not
protrude more than approximately 4-3/8
inches (111mm) from the cassette. If it
does, cut it off so that it just reaches the
line trimming blade.
Automatic line feed does not work
• Keep the tabs depressed and remove
the cassette from the cassette housing
in the trimmer head.
• Pull the cutting line until it protrudes
approximately 4-3/8 inches (111mm)
from the cassette. If insufficient cutting
line is left on the spool, install a new
spool of cutting line.
• Align the tabs on the cassette with the
cut outs in the housing.
• Push the cassette onto the housing
until it snaps securely into place.
• If the cutting line protrudes beyond the
trimming blade, cut it off so that it just
reaches the blade.
Iftheautomaticlinefeedstilldoesnot
workorthespoolisjammed,trythe
followingsuggestions:
• Carefullycleanthecassetteand
housing.
• Removethespoolandcheckifthe
leverinthecassettecanmovefreely.
• Removethespoolandunwindthe
cuttingline,thenwinditonneatly
again.Replacethespoolintothe
cassette.
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