Core CB 420 User manual

COREOutdoorPower
CB420HandheldBlower
Troubleshooting/ServiceGuide
ServicingDealers/Technicians

FORDEALERS:
Communicationiskey
WhenservicingCOREProduct,itishelpfultohaveanyinformationonthe
behaviorofthereturnedproduct.Whentheproductisreturned,theperson
responsibleforacceptingtheproductbackcangreatlyassisttheservice
technicianbyaskingafewquestions.Somesuggestedquestionsarewritten
below:
Isitasatisfactionguaranteereturn?
Istheproduct,itself,notfunctioningcorrectly?Ifso,pleasedescribe.
IsthechargernotchargingthePowerCell?
IsthePowerCellnotfunctioningproperly?

MostCommonIssues‐ Solutions
Symptoms Initial
Diagnosis
InitialSolution Alternate
Diagnosis
Alternate
Solutions
Blower doesn’trotateor
bounceswithnorotation
MotorSeePages 9‐10 Controller Page 14
NoFunctionwhentriggeris
engaged
Controller See Page14 Motor
GripHandle
Power Cell
ProductrunsIntermittently Motor See Pages9‐10 Grip Handle
Power Cell
Page12
Pages4‐6
ChargerLights don’tfunction Charger SeePages4‐6PowerCell Pages 4‐6
PowerCelldoesnot charge
Ordoesnotrunproduct
PowerCell SeePages4‐6Charger Pages4‐6

BasicPowerCellandChargerTroubleshooting
Issue Diagnosis Verification
Chargerlights donotilluminate DefectiveCharger N/A–ReplaceCharger
Charger lightsdonotchangewhen
PowerCellisengagedinCharger
DefectiveCharger
DefectivePowerCell
Plugaknownfunctional PowerCellinto
ChargertotestCharger.
Ifproblempersists,Chargerisdefective,and
shouldbereplaced.
IfplugginginknownfunctionalPowerCell
changeslights,thenreturnedPowerCellis
badandshouldbereplaced
PowerCellwillnotrunProduct DefectivePowerCell
DefectiveCharger
PlugPower Cellintoaknownfunctional
Product.
Ifproblempersists,PowerCellisdefective,
andshouldbereplaced.
IfknownfunctionalProductruns,PowerCell
isgood,andreturnedproductshouldbe
furtherdiagnosed.

Charging FullyCharged
Red
Green
Red
Red
BasicPowerCellandChargerOperation
CRC6500RapidCharger

Red Green
BasicPowerCellandChargerOperation
CSC6500StandardCharger
Charging FullyCharged

CB420HandheldBlower
Assembly/DisassemblyGuide

ITEM QTY DESCRIPTION
1 1 CLAMP, SHAFT
2 1 TUBE, STRAIGHT, BLOWER
3 1 TUBE, SWEEPER, BLOWER
4 1 IMPELLER ASSEMBLY, BLOWER
5 1 BLOWER WIRE COVER
6 1 BLOWER HOUSING MOTOR SIDE
7 1 BLOWER HOUSING INLET SIDE
8 1 MOTOR ASSEMBLY, BLOWER
9 1 SCREW, MACH, PH TORX, ZPS, 10-32 X .750
10 7 SCREW, PLASTITE, PH TORX, ZPS, #8 X .500
11 2 SCREW, PLASTITE, PH TORX, ZPS, #8 X 1.000
12 4 SCREW, PLASTIC, PH TORX, ZPS, #10 X .500
13 4 SCREW, PLASTITE, PH TORX, ZPS, #10 X .750
14 1 NUT, HEX, ZPS, 10-32, 3/8
15 1 WASHER, FLAT, 3/8 X .03 THK
ReplacementParts
CB‐420‐HandheldBlower

MotorDisassembly
andAssembly
1. RemoveBlowerCoverasshownin
pictures1and2
2.RemovePhaseandHallWires
asshowninpic3
3.Useforkorsimilartooltogripshaft
andspinImpelleroffclockwise.
asshowninpics 4,5,6.
1. 2.
3. 4.
5. 6.
HardwareandToolsRequired
‐ElectricDrill
‐T20,T25BITS
‐ShaftFork/Wrench
- 4 SCREW, PLASTIC, PH TORX, ZPS, #10 X .500
- 4 SCREW, PLASTITE, PH TORX, ZPS, #8 X .500
- 2 SCREW, PLASTITE, #8 x 1”

MotorAssembly
Hardware/PartsRequired
BlowerHousing
Impeller
BlowerCover
Motor
Washer
ToolsRequired
‐ElectricDrill/T25‐T20Bits
‐ShaftFork/Wrench
1. 2.
1. Insertwasheronmotor,positioned
underHousing.
2. UsingShaftForkorsimilartool,spin
Impellerontomotorcounter‐clockwise.
3. Reversedisassemblyinstructionson
page9

Blower Tube Replacement
ToolsRequired
ElectricDrill/T25andT20BITS
1. UnscrewfourclosestscrewstoTube.
2. PullTubeoutofslot.
3. Replacewithnewandinsertscrews.
1.
2.
3.
HardwareRequired
BlowerTube

1.
2. 3.

1. Takeapartthepowerhousings
usingaT20bit.
2. Disconnectthewireconnector
onthecontrollerleadingtothe
griphandle.
3. Dis‐assemblethegriphandle
usingaT18torquebitonthe
littlescrews,andaT25onthe
clamps.
PowerHousing/GripHandleDisassembly

HARDWAREANDPARTSREQUIRED:
(8)8‐32STANDARDNUTS
(4)8‐321¼”BOLTS
(4)8‐321¾”BOLTS
TOOLSNEEDED:
ELECTRIC/SCREWGUNW/T20BIT‐NEEDLENOSEPLIERS
1. PlugWiresintoControllerasShowninPicture1andSlidecontroller
intoslotinPowerHousing
2. RouteWiresthroughPowerHousingasshowninPicture2.Makesure
WiresareclearofPowerHousingAreasthatmayleadtopinching.
3. PlacePowerSleeveintoPowerHousingandloweroppositePower
Housingonasshowninpicture3.MakesureController,Wiresand
PowerSleeveareallalignedinthererespectiveslots.
4. Boltthehousingstogether,startingwiththe1¼”boltsinthefront
fourlocations,andfinishingwiththeremainingfourintherear.
PowerHousingAssembly/ControllerInstall
1.
2.
3.