2
TABLE OF CONTENTS
WDP-120 Overview....................................................................................................3
Specications ............................................................................................................3
Accessories .....................................................................................................4
Attachment-Guard.........................................................................................5
Introduction................................................................................................................6
AboutTheSymbols.........................................................................................6
ElectricalSymbols ..........................................................................................6
GeneralSafetyRules.................................................................................................7
WorkArea.........................................................................................................7
ElectricalSafety...............................................................................................7
PersonalSafety ...............................................................................................7
ToolUseandCare ...........................................................................................8
Service..............................................................................................................8
SpecicSafetyRules ......................................................................................9
UseProperExtensionCords........................................................................10
GroundingInstructions ................................................................................10
AdditionalPrecautionsForUsingTheWDP-120........................................10
LawsAndRegulationsOfNoiseLevels......................................................11
GuardInstallation....................................................................................................12
AttachingABackerPadToWDP-120 ....................................................................13
AttachingRubberCapToWDP-120.......................................................................13
WDP-120WetOperation .........................................................................................14
WDP-120DryOperation..........................................................................................14
WDP-120PolishRightUptotheWall ....................................................................15
WDP-120Wet/DryConcretePolisherOperation...................................................16
MainConnection ...........................................................................................16
SwitchingOnAndOff ...................................................................................16
GroundFaultCircuitInterrupter(GFCI) ......................................................17
TestingIn-lineGFCIUnit(BeforeEachUseOfThePolisher) ...................18
VariableSpeedAdjustment ..........................................................................18
SpeedPotFeedbackSensor ........................................................................19
WaterControlValve.......................................................................................19
Water-FeedAttachment ................................................................................20
MAINTENANCE.......................................................................................................20
Bearingsandgears .......................................................................................21
CarbonBrushReplacement ........................................................................21
RearCoverRemoval .....................................................................................22
Alpha®WDP-120Schematic ..................................................................................27
Alpha®WDP-120GuardSchematic........................................................................28
Alpha®WDP-120Partslist ......................................................................................29
LoanerProgram.......................................................................................................32
Warranty ...................................................................................................................32
AppendixA..................................................................................................................i
FrequentlyAskedQuestions...........................................................................i
ProductRegistrationCard......................................................................................33
