Makita 5090D User manual

Cordless Circular Saw
Blade
diameter
85"
(3 3/8")
Models 5090D, 5090DW
85" (3 ,I1)
With Fast Charger
Cuttingdepth No loadspeed Overall Net
90" 45"
(RPM) length weight
0-22" 2-18"
1,000 313 mm 1.8 kg.
(0 - 55/64") (5/64 - 45/64') (12 3/8") (4 Ibs.)
INSTRUCTION MANUAL
9.6 V
SPECIFICATIONS
1 Hr. A.C. only 50 Hz - 60 Hz. D.C. 7.2 V - 9.6 V
I I I I I
Battery Cartridge 9000 I ModelDC9700A Fast Charger
Voltage 1 Charginatime I Input I Output

I M PORTANT
SAFETY INSTRUCTIONS
FOR ALL TOOLS
WARNING: When usingelectrictools, basic safety precautions
should always befollowedto reducethe riskof fire,
electric shock, and personal injury,includingthe
following:
-
1.
2.
3.
4.
5.
6.
7.
0.
9.
10.
11.
12.
13.
14.
15.
Keepwork area clean. Clutteredareas andbenches inviteinjuries.
Considerwork area environment. Do not use power tools indamp or wet
locations. Keepwork areawell lit.
Do not expose power tools to rain. Do not
use
tool in presenceof flammableliquids or gases.
Keepchildrenaway. All visitorsshouldbe kept away from work area. Do not
letvisitors contact
tool or extensioncord.
Store idletools. When not in use, tools should be locked-up or storedina dry,
highplace
- out of reachof children.
Do notforce tool. It will do the job betterand safer at the rate for which it was
intended.
Usecorrect tool. Do notforce small tool or attachment to do the job of a
heavy-dutytool.
Do notuse toolfor purpose not intended.
Dress appropriately. Do notwear loose clothing or jewelry. It can be caught
in movingparts. Rubberglovesand non-skidfootwear are recommended when
working outdoors. Wear protectivehair coveringto containlong hair.
Usesafety glasses. Also use face or dust mask if cuttingoperationis dusty.
Do notabuse cord. Never carry tool by cord or yank it to disconnect from
receptacle. Keepcordfrom heat,oil, and sharp edges.
Secure workpiece. Useclamps or a vise to hold work. It is saferthan using
your hand; it also leavesbothhands free to operate tool.
Do not over-reach. Keep properfootingand balance at all times.
Maintaintools with care. Keep tools sharp and clean for betterandsafer
performance. Followinstructionsfor lubricatingandchanging accessories.
Inspect
tool cords periodicallyand, if damaged, have repairedby authorized
servicefacility. Inspectextensioncords periodicallyand replace
if damaged.
Keep handles
dry, clean,andfree from oil andgrease.
Disconnecttools when not in use,beforeservicing, and when changing
accessories,such as blades,bits, and cutters.
Removeadjustingkeys and wrenches. Check to ensure that keys and
adjustingwrenchesare removed from
tool before turningthe tool on.
Avoid unintentionalstarting. Do not carry plugged-intoolwith finger on
switch. Be sure switchis
OFF when pluggingin.
2

16. Outdoor useextensioncords. When tool is used outdoors, use only
extensioncords intendedfor outdoor use and
so marked.
17. Stay alert. Watch what you are doing. Do not operatetool when you are tired.
18. Checkdamagedparts. Beforefurther use of thetool, a guardor other part
that isdamagedshould be carefullychecked to determine that it
will operate
properlyand performits intendedfunction. Check for alignment of moving
parts, bindingof movingparts,breakage of parts,mounting, and any other
conditionsthat may affecttool operation.
A guard or other part that is
damagedshould be properlyrepaired or replaced by an authorizedservice
center unlessotherwiseindicatedelsewhere in this instructionmanual.
Defectiveswitchesshouldbe replacedby an authorizedservice center. Do not
usetool
if the switch does not turnthe tool on and off.
19. Guardagainst electric shock. Prevent body contact with grounded surfaces,
for example: pipes, radiators,ranges, refrigerator enclosures.
20. Replacementparts. When servicing,use only identicalreplacement part.
VOLTAGEWARNING: Beforeconnecting the toolto a power source (receptacle
outlet, etc.) be sure the voltagesuppliedisthe same as that specifiedon the
nameplateof the tool.
A power source with voltage greater than that specifiedfor
the toolcan result in SERIOUS INJURYto the user-as well as damage to the tool.
If indoubt, DO NOT PLUG INTHE TOOL. Usinga power source with voltage less
thanthe nameplateratingis harmful to the motor.
IMPORTANT SAFETY INSTRUCTIONS
FOR BAlTERY
1. Always Cover the BatteryTerminals with the battery cover when the
batterycartridge is not in use.
2. Do not short the Battery Cartridge:
i. Do nottouch the terminalswith any conductive material.
ii. Avoid storing batterycartridgein a container with other metal objects
such as nails,coins, etc.
iii. Do notexpose batterycartridgeto water or rain. A battery short can
causea largecurrentflow, overheating, possible burns, and even a
breakdown.
3. Do not store the tool and BatteryCartridge in locations where the
temperaturemay reachor exceed50°C
(122°F).
4. Do not incineratethe BatteryCartridge even if it is severely damaged or
completelyworn out.The battery cartridgecanexplodein afire.
3

I M PO RTANT SAFETY I NSTRUCTIONS continued
FOR BATTERY AND CHARGER
1. Before using battery charger, readall instructionsand cautionary
markings on:
i. batterycharger
ii. battery
iii. productusing battery.
2. To reducerisk of injury,charge only MAKITA Battery 7000,9000, or 9100.
Other types of batteriesmay burstcausingpersonalinjury anddamage.
3. Do notdisassemblecharger or battery cartridge; take itto a qualified
servicemanwhen service
or repairis required. Incorrectreassembly may
result in a risk of electricshock or fire.
Do not charge Battery Cartridge when temperature is BELOW 10°C (50°F)
orABOVE 40°C (104OF).
4.
FOR CHARGER
1. SAVETHESE INSTRUCTIONS-This manual containsimportant safety and
operating instructionsfor batterycharger.
2. Donotexposecharger torainor snow.
3. Use attachment recommended or soldonly bythe battery charger
manufacturer. Use of any other attachment may resultin a risk of fire, electric
shock, or injuryto persons.
4. Do not operate charger if it hasreceiveda sharp blow, beendropped, or
otherwisedamagedin any way; take itto a qualifiedserviceman.
5. To reduce risk of electricshock, unplug charger from outletbefore
attemptingany maintenance orcleaning. Turning off controlswill not
reducethis risk.
6. Do not attempt to usea step-up transformer, an engine generator, or a
DC powerreceptacle.
7. Do not allow anythingtocover or clog the charger vents.
4
SAVE THESE INSTRUCTIONS

IMPORTANT SAFETY INSTRUCTIONS continued
Lengthof Cord (Feet)
AWG Sizeof Cord
FOR CORD
25 50 100
150
18 18 18 16
1.
To reducerisk of damage to electric plugandcord, pull by plugratherthan
by cordwhen disconnectingcharger.
2. Makesure cord is located so that itwill not be stepped on, trippedover, or
otherwisesubjectedto damage or stress.
3. An extensioncordshould not be usedunlessabsolutelynecessary.
Use of improperextensioncordcould resultin a risk of fire andelectricshock.
If extensioncord mustbe used, make sure that:
i. Pinson plug of extensioncordare the same number, size, andshape
as those
of plugon charger.
ii. Extensioncord is properlywiredand ingoodelectricalcondition.
iii. Wire size isat least as largeasthe one specifiedinthe table below.
RECOMMENDED MINIMUM AWG SIZE FOR
EXTENSIONCORDS FOR BATTERYCHARGERS
FOR CORD AND CHARGER
1. Do not operatechargerwith damagedcord or damaged plug - replace
them immediately.
SAVE THESE INSTRUCTIONS
5

IMPORTANT SAFETY INSTRUCTIONS continued
FOR USE OF SAW
1.
2.
3.
4.
5.
6.
Beawarethat this tool is always in anoperating condition because it does
nothaveto be plugged intoan electricaloutlet.
KeepGuards
In Placeand In WorkingOrder. Never wedge or tie lower
guardopen. Check operationof lower guard before each use.
Do notuse if
lowerguarddoes notclose brisklyover saw blade.
CAUTION:
If saw is dropped, lower guard may be bent,restrictingfull return.
Keep BladesClean and Sharp. Sharp blades minimize stallingand kickback.
DANGER: Keep HandsAway FromCutting Area.
Keephandsaway from blades.
Do not reach underneath work while blade is
rotating. Do not attemptto remove cut materialwhile blade is moving.
CAUTION: Bladescoast after turn
off.
Support Large Panels.
Largepanels must be
supportedas shown in Fig.
1
to minimizethe riskof blade
pinchingand kickback.
Whencutting operation requires
the restingof the saw on the
work piece,the saw should be
rested onthe larger portion
andthe smaller piececut off.
To avoid kickback, do support board
or panel near
the cut.
Fig. 1
Don't support board or panel away
from the cut.
Fig. 2
Use Rip Fence. Always use a fence or straightedge guide when ripping.
6

7.
8.
9.
10.
11.
12.
Guard Against Kickback. Kickback occurs when the saw stalls rapidly andis
driven back towardsthe operator. Releaseswitchimmediately
if bladebinds or
saw stalls. Keepbladessharp. Support large panels as shown in Fig. 1. Use
fence or straightedge guide when ripping.
Do not force tool. Stay alert
exercisecontrol.
Do not remove saw from work duringa cut while the blade is
moving.
NEVER placeyour handor
fingers behindthe saw.
If
kickbackoccurs, the saw could
easilyjump backwardsover
your hand, possiblycausing
severe injury (see Fig.
3).
Fig. 3
LowerGuard. Raiselowerguardwith the retractinghandle.
Adjustments.
Beforecutting be sure depthand beveladjustmentsare
tight.
Use Only Correct BladesIn Mounting. Do not use blades with incorrect size
holes. Neveruse defectiveor incorrect blade washers or bolts.
Avoid Cutting Nails. Inspectfor, and remove, all nailsfrom lumber before
cutting.
I
Operate with proper hand
support and properworkpiece
support
(see Fig. 4).
I
A typical illustration of proper hand
support and
workpiece support.
Fig. 4
WARNING:
It is important to supportthe workpiece properlyand to holdthe saw firmly to
prevent loss of controlwhichcouldcause personalinjury.Fig. 4 illustrates
typical handsupport of the saw.
7

SAFETY INSTRUCTIONSFOR USE OF SAW continued -
13. Placethe wider portionof the saw baseonthat part of theworkpiece
which issolidly supported, not onthe sectionthat will fall
off when the
cut ismade.
If the workpiece isshort or small, clamp it down.
DON’T TRY TO HOLD SHORT PIECES BY HAND!
Fig.
5 illustratesthe CORRECT
way
to cut off the end of a board. Fig.
6 illustratesthe WRONG way
to cut off the end of a board.
Fig.
5 Fig. 6
14. Neverattempttosaw with the
circular saw held upsidedown in
a vise. This isextremely
dangerousand can lead
to serious
accidents.
Fig.
7
15.
Beforesetting the tooldown after completingacut, besurethat the
lower (telescoping)guard has closedandthe bladehascome to a
completestop.
SAVE THESE INSTRUCTIONS
8

BATTERY
CAUTION: Always switch off the tool beforeinsertion or removalof the batterycartridge.
Readthe Safety Instructionsfor battery on pages
3 and 4.
Installingor Removingthe Battery
To
1
2
To
1
2
removethe battery cartridge:
. Pullout the set plateon the tool
. Grasp bothsides of the cartridge
while withdrawingit from the barrel.
insert the battery cartridge:
. Align the tongue of the battery
cartridgewiththe groove inthe
housing.
. Slipthe cartridge into place.
3. Snapthe set plate backintoplace. Be sure to closethe set platefully before
usingthe
tool.
CAUTION: Do not use forcewhen insertingthe battery cartridge.
If the cartridgedoesnotslide ineasily,it isnot beinginsertedcorrectly.
Chargingthe Battery
CAUTION: YOUR NEW BATTERY CARTRIDGEIS NOTCHARGED.
YOU WILL NEEDTO CHARGE IT BEFORE USE.
ReadSafety instructionson page 4 beforecharging battery.
To chargethe battery:
1. Plugthe fast charger intoyour
powersource.
2. Insertthe batterycartridge so that
the plus
(+) and minus (-) terminals
on the batterycartridgeare on the
same sides as their respective
markingson the fast charger.
3. Insertthe cartridgefully intothe port
so that it restson the charger port
floor.
4. Pressthe start button (red).
The charging light will come on and charging will begin.
(If the charginglightdoes not come on, see
NOTE on page 10).
5. When the charging lightgoes out after about one hour, you may remove the
fully chargedbatterycartridge.
6.
After charging, unplugthe charger from the power source. Charging continued
9

BATTERY continued
Chargingthe Battery continued
NOTE: Ifthe charging light does notcome on:
i. Pressthe Reset button(yellow)
ii.Then pressthe Start button(red).
If the charginglightgoes out within 10 seconds even after pressingthe
ResetbuttonandStart buttona coupleof times, the battery cartridgeis
dead. (CAUTION:Wait for more than
5 seconds afterthe charginglight
goes out beforepressingthe Reset buttonagain).
Replacethe batterycartridgewith a new one.
CAUTION
Do not keepthe buttonpressedinwith tape, etc. or the circuit will not function
properly. Also, a malfunctionof the charger may result possiblycausing
overheating,etc.
If you try to chargea cartridgefrom a just-operated tool, sometimes the
charging light will not come on.
If this occurs, let the cartridgecool off for a
while,then re-insertit andtry to charge it once more.
If you wish to chargetwo batterycartridges,allow 15 minutes between
chargingson the fast charger.
Recyclingthe Battery
The
to recycleit. The law prohibitsany other
way to dispose of a Makita battery is
method
of disposal.
I Ni-Cd I
-
To recyclethe battery:
1. Removethe batteryfrom the tool.
2. a). Take the battery to your nearest MakitaFactory Service Center
b). Take the battery
to your nearest Makita Authorized Service Centeror
Distributorthat has been designatedas a Makita batteryrecyclinglocation.
Callyour nearest Makita Service Centeror Distributor to determine the
location thatprovides Makita battery recycling. Seeyour local YellowPages
under "Tools
- Electric. "
OR
10