RAM R7 Series User Manual

OIM‐600056 Rev.0 20

Thissectionprovidesbasictroubleshootinginformation.Determinationofspecifi ccausestoproblemsarebestidentifiedbythoroughinspectionsperformedbypersonnel
instructedinsafety,operationandmaintenanceofthisequipment.Thechartbelow providesabriefguidetocommonwinchsymptoms,probablecausesandremedies.
SYMPTOM CAUSE REMEDY
Insufficientornoairsupplyto
winch. Checkairsupplylineconnectionsandhoses.
Winchisoverloaded. Reduceloadtowithinratedcapacity.
Shippingplugsmaystillbe inplace. Removeshippingplugsinval ve andmotorexhaustports.
Emergencystopvalveengaged. Resetemergencystopvalve .
Motormaybedamaged . Disassembleandcleanthemotorandreplaceanybrokenordamagedparts.
Winch
isoverloaded. Reduceloadtowithinratedcapacity.
Winchisoverloaded. Reduceloadtowithinratedcapacity.
Oilleakfrommotorendofwin ch. Reductionassemblyisleaking. Disassembl ewinchandinspectreductionassemblyseals.
Motormaybedamaged . Disassembleandcleanthemotorandreplaceanybrokenordamagedparts.
Lowoillevel.
Checkoil levelin
motor.Addoilasrequiredtoobtainproperlevel.
Brake(s)notreleasing. Refertobrakesin"MAINTENANCE"sectiononpage2.
Pressurizediscbrakereleaseportandcheckforleakage.Replacebrakepistonseals
ifleakageisfound.Ensureairpressureatinlettodiscbrakeisatleast45 psig(3.1
bar/310
kPa).Inspectbrakepistonseal sandreplaceifsealsappeartobeleaking.
Disengagemanualdrumbrake,orreferto'AutomaticBandBrakeAdjustment'on
page2.
Checkhoseandfittingconnections.Inspecthose(s)forbreaks.Tightenfittingsand
repairorreplacehosesasnecessary.
Reduceloadtowithinratedcapacityof
winch.Ifoverloaddevicecannotbereset,
contactfactory.
Installordrainairsystemmoisturetraps,moisturecollectingairreceiversand
compressoraftercoolers.Aftercorrectiveactionhasbeentaken,disconnectlinesat
winchinletandpurgewithclean,dryairornitrogen.
Winchwillnotoperate
Overloaddeviceengaged.
Airleak.
Drumbrake
doesnotrelease.
Discbrakedoesnotrelease.
Ensureairpressureatwinchinletisatleast90psig(6.3bar/ 630kPa)atrated
volume . Cleanairlinefilter.
Throttleorpendantlevermovesbut
winchdoesnotoperate.
Check'AutomaticBandBrakeAdjustment'onpage2andbrakebandliningwear.
Checkbrakefricti ondiscwear.
Checkpendant/throttle leversspringreturntonormal(neutral)positionwhen
released.
Loadcontinuestomovewhenwinchis
stopped.
Winchmotorcontrolssticking.
Brakeisslippi ng.
Removeanddisassemblemotorasdescribedinthe"MAINTENANCE"sectionon
page2.Examineallpartsandreplaceanythatareworn
ordamaged.
Verifyairsupplypressureandvolumeatwinchinletmeetstherequirementslisted
inthe"SPECIFICATIONS"sectioninProductInformationManualFormMHD56278.
Cleanairlinefilter.
Checkbrakereleasepilotholeisnotrestricted.Checkseal soncylinderpistonare
notdamaged.Brakeshouldbereleasedat45psig
(3.1bar/310kPa).
Winchdoesnotliftloadordoesnotlift
ratecapacity.
Winchdoesnotlift/pullload.
Damagedorbroke npistonorconnecting
rod.
Disassembl eandrepairmotor.
Waterinoil.
Disassembl eandrepairmotor.
Improperlubrication.
Checkhoseandfittingconnections.Inspecthose(s)forbreaks.Tightenfittingsand
repairorreplace
hosesasnecessary.
Motordoesnotrunsmoothlyormakes
ex cessi venoiseduri ngoperation.
Damagedorbroke npistonorconnecting
rod.
Replaceoilwithtype recommendedin"LUBRICATION"sectioninProduct
InformationManual.Setlubricatortoprovide6to9dropsofoilperminuteat
maximumwinchoperatingcapacity.
Drainandrefill
withrecommendedoil.Operatewinchwithnoloadsl owly,inboth
directions .Ifnoisestill existsormotoroverheatsdisassembleandrepairmotor.
Reversevalve stickinginbushing.
Waterinairsupply.
Insufficientairsupply.
Motormaybedamaged.
Improperhoseorfittingsizes.
Motorrunshotormakesexcessivenoise
duringoperation.
Winch
runsslow.
Airlinesfreeze.
Throttleleverhardtoactuate,orlever
doesnotspringreturntoneutral.
TROUBLESHOOTING
Airleak.
Insufficientairsupply.
Brakeisnotreleasing.
Insufficientairsupply.
Motormaybedamaged.
Airlinesfrozenduetowaterinairsupply.
Checkfittings,connectionsandhosesforcorrectsizeandlength.Replacepartsthat
maycauserestrictairflow.Inspectairlinefilter.
Removeanddisassemblemotorasdescribedin
the"MAINTENANCE"section on
page2.Inspe ctallpartsandreplaceallwornordamagedparts.
Verifyairsupplypressureandvolumeatwinchinletmeetstherequirements.Refer
to"SPECIFICATIONS"sectioninProductInformationManual .Cleanairlinefilter.
Installordrainairsystemmoisturetraps,moisturecollectingairreceiversand

compressoraftercoolers.Aftercorrectiveactionhasbeentaken,disconnectlinesat
winchinletandpurgewithclean,dryairornitrogen.
Removeanddisassemblecontrolvalve.Cleancontrolvalvepartsandcheck
clearancebetwee nreversevalveandbushing.

RAM R7 Series Specifications

General

Gear Train	3-Stage Planetary
Series	R7
Line Pull	7000 lbs
Remote Control	Wireless Remote
Battery Leads	2 gauge
Rope	3/8" Synthetic Rope