Buhnen HB 710 Manuel utilisateur
Operating Manual
Hot Melt Applicator
HB 710/HB 710 Spray
1 General ..................................................................................................................................................................... 2
1.1 Scopeofuse.......................................................................................................................................................... 2
1.2 Technicaldata........................................................................................................................................................ 2
2 Safety instructions .................................................................................................................................................. 3
2.1 Potentialhazards................................................................................................................................................... 3
2.2 Instructionsforsafeoperation............................................................................................................................... 3
3 Starting ..................................................................................................................................................................... 4
3.1 Connectingup........................................................................................................................................................ 4
3.1.1 Connectingup(operationwithoutworkingbracket/workstation).............................................................................................. 4
3.1.2 Connectingup(operationwithworkingbracket/workstation)................................................................................................... 4
3.2 Switchingon.......................................................................................................................................................... 4
3.3 Settingsonthetemperatureregulator................................................................................................................... 5
3.3.1 Settingtheworkingtemperature.............................................................................................................................................. 5
3.3.2 Readingoutandsettingthecontrolparameters...................................................................................................................... 5
4 Operation ................................................................................................................................................................. 6
4.1 Operatingposition.................................................................................................................................................. 6
4.2 Charging................................................................................................................................................................ 7
4.3 Dischargingandmeteringmelt.............................................................................................................................. 7
4.4 Adjustingthespraypattern(HB710Sprayonly)................................................................................................... 8
4.5 Automatictemperaturereduction(ACE)................................................................................................................ 8
4.6 Switchingoff.......................................................................................................................................................... 8
5 What if... ................................................................................................................................................................... 8
5.1 Statusanderrormessagesinthedisplay.............................................................................................................. 8
5.2 Troubleshooting..................................................................................................................................................... 9
6 Servicing/maintenance ......................................................................................................................................... 10
6.1 Serviceintervals.................................................................................................................................................. 10
6.2 Cleaning............................................................................................................................................................... 10
6.2.1 Cleaningthenozzle.................................................................................................................................................................11
6.3 Nozzlesystems.....................................................................................................................................................11
6.3.1 Replacingtheconenozzle(HB710).......................................................................................................................................11
6.3.2 Replacingthenozzleend(HB710)........................................................................................................................................11
6.3.3 Replacingtheswirlnozzle,pressurespring&ball(HB710Spray)....................................................................................... 12
6.4 Adjustingthecoverpressure............................................................................................................................... 12
6.5 Replacingthecovergasket................................................................................................................................. 13
6.6 Replacingthevalveassembly............................................................................................................................. 14
6.7 Replacingthe(complete)cover........................................................................................................................... 15
7 Repairs ................................................................................................................................................................... 16
8 Warranty ................................................................................................................................................................. 16
9 Disposal ................................................................................................................................................................. 16
10 Spare parts ............................................................................................................................................................ 17
10.1 HB710................................................................................................................................................................. 17
10.1.1 BaseUnit................................................................................................................................................................................ 17
10.1.2 MeltTank................................................................................................................................................................................ 18
10.1.3 NozzleKit............................................................................................................................................................................... 19
10.2 HB710Spray...................................................................................................................................................... 20
10.2.1 BaseUnit................................................................................................................................................................................ 20
10.2.2 Melttank.................................................................................................................................................................................. 21
10.2.3 NozzleKit............................................................................................................................................................................... 22
10.3 Closure................................................................................................................................................................ 23
10.4 WorkingBracket.................................................................................................................................................. 24
10.5 WorkstationKit..................................................................................................................................................... 25
11 Diagrams ................................................................................................................................................................ 26
11.1 Wiringdiagram..................................................................................................................................................... 26
11.2 Pneumaticdiagram.............................................................................................................................................. 27
Table of Contents
1
Working bracket
Working brackeet
Applicator
Pos. Description Pos. Description
1 Compressedairconnection 10 Lever
2 Waterseparator 11 Closurecap
3 Pressureregulator 12 Suspensionpoint
4 Pressuregauge 13 Protectioncap
5 Digitaldisplay 14 Sprayairchoke
6 Start/Stopbutton 15 Protectioncap
7 Setbutton 16 Trigger
8 Downbutton 17 Handle
9 Upbutton 18 Standhoop
Arrangement
2
1 General
PleasereadthisOperatingManualthroughcarefullyandcompletelybeforerstusingthe
Applicator.PayparticularattentiontothesafetyinstructionsinSection2.
ThisOperatingManualmustalwaysbewithineasyreachforanyuser.
1.1 Scope of use
TheHB710/HB710SprayApplicatorisforthemeltingandmetereddischargeofmelts
(thermoplasticsubstancessuchashot-meltadhesives,waxes,etc.)asabead(HB710)
orspray-oncoating(HB710Spray)usinginterchangeableapplicationtools(useasin-
tended).
1.2 Technical data
Model HB 710 HB 710 Spray
PartNo. H218600 H218700
Kitincludes Applicator,toolset,workingbracket/workstation(optional)
Weight approx3lbs/1.35g approx3.3lbs/1.50kg
Powerconnection 120VAC/60Hz/earthing-pinplug
Powerrequirement[W] 600
Powerconsumption[A] 2.6
Protection(asperDINIEC34T5) IP30
Safetyclass
(asperDINVDE0720)
I(safetyearthterminal)
Temperaturecontrol electronic
Temperaturelimitation thermalcut-out(500°F±19.8°F/260°C±11°C)
Operatingtemperature 104°F…410°F/40°C…210°C
Temperatureconstancy ±3.6°F/±2.0°C
Factorypresetting 356°F/180°C
Temperatureindication digitalviaLEDdisplay
Automatictemperaturereduction
(ACE)
Factorypresettoreducetemperatureby104°F/40°C
after30minnon-use
Warm-uptime[min] ~3.0…4.0
Hot-meltingcapacity(dependent
onmelt)
withplugs:7.05lbs/h/3.20kg/h
withgranulate:2.87lbs/h/1.30kg/h
Capacityofmeltreservoir 7.76oz/200ml
Conveyorsystem compressedair
Compressed-airconnection max.145psi/10bar(serviceunitwithquick-actioncoupling)
Thecompressedairmustbecondensate-andacid-free
Operatingpressure 21.8…87.0psi/1.5…6.0bar
Protectionagainstoverpressure limitedbyreducingvalveto87psi/6bar
Airconsumption(at72.5psi/
5baroperatingpressure)
33.8oz/1lpertriggeractuation max.33.8oz/s/1l/s
Nozzles(standard) conenozzleØ1.5mm swirlsprayheadØ1.5mm
Lengthofsupplylinewith
electricalandpneumaticconnec-
tions
9.84ft/3.0m
Recommendedmeltingstock BÜHNENhot-meltadhesivesinplugorgranularform
General
3
2 Safety instructions
2.1 Potential hazards
Danger!
Neverpointtheoperation-readydeviceatpeople.
Dangerfromhighpressure!
Burn Hazard
Nozzle(1)andmoltenadhesivecanbeover390°F/200°Chot.
Wearheat-resistantglovesifcontactisunavoidable.
Risk of Explosion!
Whenworkingwithoxygenorcombustiblegasesthereisriskofexplosion!
Xi Odor nuisance!
Hot-meltadhesivesgiveofffumeswhichcancauseodournuisance–soensure
adequateventilation.
Improperusemayinisolatedcasesleadtoirritationofthemucousmembrane.Inthis
caseseekimmediatemedicaladvice!
2.2 Instructions for safe operation
Guardagainstmalfunctionsandoperatingerrorsbyalwaysfollowingtheseinstructions
precisely:
• Innocircumstancesmaythemaximumpermittedoperatingpressure(87psi/6bar)be
exceeded.
• Removecombustibleorheat-sensitiveobjectsfromtheareaofthenozzle(1).
• Whenwarmthedevicemustbeputdownonthesupporthoop(18)orworkingconsole.
Itmustnotbelaidonitsside.
Otherwisemeltmayescapeuncontrolledthroughtheventholesandpresentaburn
hazard.
• Neveroperatethetrigger(16)forcibly.
• Protectthedevicefrommoistureanddamp(protectionagainstelectricshock).
• Observetheinstructionleaetforthehot-meltadhesive(protectionagainstprocessing
errors).
• Operatethedeviceonlywiththenozzlepointingdownwards.Itmustnotbeoperated
aboveheadheight!
• Unplugfromthemainsbeforeperforminganyoperationonthedevice(servicing,clean-
ing).
• Thedevicemustbepoweredonlyfromsocketswithaprotectiveconductor.
• Anyextensioncableusedmusthaveaprotectiveconductor.Checkthattheprotective
conductorisundamagedbeforeuse.
• Unplugfromthemainsaftereachuse.Allowthedevicetocooldowncompletelybefore
puttingitaway.
• Ifyounoticeanydamagetothedeviceorleads,unplugfromthemainsimmediately.
Havethedevicepromptlycheckedoverbyanexpert.Itmustnotbeusedagainuntilit
hasbeenproperlyrepaired(seeSections6and7).
Safety instructions
4
3 Starting
3.1 Connecting up
3.1.1 Connecting up (operation without working bracket/workstation)
Toconnectupthedeviceproceedasfollows:
1. Fitthestand:
• Todothisinsertpin(B)ofthebase(1)intohole
(A)inthecasing.
•Movethebase(1)indirection(C)untilitisjust
incontactwiththecasing.
•Todismantlethebasedotheaboveinreverse
order.
2. Placethedeviceonthebaseandstandhoop.
3. Fitthesuppliedpressure-reducingvalvetoaquick-actioncouplinginthecompressed-
airsupply.Thewaterseparatormustbefacingdownwardswhenyoudothis.
Observetherequirementsmadeofthecompressed-airsupply(Section1.2,“Technical
data“).
4. Settheoperatingpressureto58psi/4barwiththepressureregulator(3).
5. Connectthemainsplugtoasocketoutletwithearthingcontact.
6. Switchonthedevice.
Thedeviceisnowreadyforuse.
3.1.2 Connecting up (operation with working bracket/workstation)
Toconnectupthedeviceproceedasfollows:
1. Placethedeviceintheworkingbracket.
2. Attachtheworkingbracket’scompressed-airconnection(1)(seeillustrationonp.20)to
thecompressed-airsupply.
Observetherequirementsmadeofthecompressed-airsupply(Section1.2,“Technical
data“).
3. Settheoperatingpressureto58psi/4barwiththepressureregulator(3).
4. Connectthemainsplugtoasocketoutletwithearthingcontact.
5. Switchonthedevice.
Thedeviceisnowreadyforuse.
Info
Thedisplayisswitchedonbriey(approx.1sec)asacheckafterthepowerplugis
insertedandafteramainsvoltagefailure: .
Thedevicethenswitchesoffforsafetyreasons
3.2 Switching on
ToswitchthedeviceonpressandholdtheStart/Stopbutton(6)foratleast1s.
Thedigitaldisplaylightsupandindicatesthecurrenttemperature.Thedeviceheatsup
immediatelytothepresettemperature(targettemperature).Thedecimalpointontheleft
ashesuntilthetargettemperaturehasbeenreached.
ThetargettemperaturecanbedisplayedbypressingtheSetbutton(7).
Starting
5
3.3 Settings on the temperature regulator
3.3.1 Setting the working temperature
1.TosettheworkingtemperaturepresstheSetbutton.Thecurrentworkingtemperature
isdisplayed.
2. HoldtheSetbuttondown.SelecttherequiredworkingtemperatureusingtheUp/Down
buttons.
BrieypressingtheUporDownbuttonchangestheworkingtemperatureinstepsof
1°F/1°Cperbutton-press.Pressingthebuttonforlongerchangestheworkingtem-
peraturecontinuously.
Thenewsettingissavedautomaticallywhenthebuttonsarereleased.
3.3.2 Reading out and setting the control parameters
PressingtheUpandDownbuttonssimultaneouslyforatleast4sbringsupaparameter
list.Someparameterscanbeset,othersonlyreadout.Thetablebelowsummarisesthe
parameters:
Pa-
ram-
eter
Function Settable Setting
range
Standard
value
Customer
value
P1 Setpoint lowering
Ifthedeviceisnotusedforsometime,the
temperatureregulatorautomaticallyswitchesto
operationatloweredtemperature.Atemperature
isadjustedtowhichisbelowthesetworking
temperaturebythevaluesethere.
✓1…180°F
1…100°C
72°F
40°C
P2 Waiting time before setpoint lowering
Ifthedeviceisnotusedforlongerthanthetime
sethere,temperatureloweringstarts.
✓1…999min 30min
P11 Hours-run counter
Thehundreds,tensandunitsdigitsaredisplayed.
-
P12 Hours-run counter
Thethousandsdigitsaredisplayed.
-
P13 Number of actuations
Thehundreds,tensandunitsdigitsaredisplayed.
-
P14 Number of actuations
Thethousandsdigitsaredisplayed.
-
P19 Keylock
AdjustmentofworkingtemperaturewiththeUp/
Downbuttonscanbelockedhere.
Ifanattemptismadetoadjusttheworkingtem-
peraturedespitethekeylock,thedisplayshows
“--”
0:notlocked
1:locked
✓0or1 0
YoucanbrowseupwardsthroughtheparameterlistwiththeUpbuttonanddownwards
withtheDownbutton.Pressthe“Set”buttontodisplaythevalueassignedtoaparameter.
YoucanadjustthevalueassignedtoasettableparameterbyadditionallypressingtheUp/
Downbuttons.
Thediagrambelowshowstheprocedureschematically:
Starting
6
SET
SET
SET
SET
+
+
+SET +
-
>4 s
P1
P2
P11
…
Display
value
Set
value
(only P1, P2, P19)
Fig. 3.3.2/1: Setting parameters
4 Operation
4.1 Operating position
Thedevicemaybeoperatedonly with the nozzle pointing downwards.Inotherposi-
tionsmeltmaygetintothecompressed-airductsanddamagethedevice.
Fig. 4.1/1: Permitted operating position
Operation
7
4.2 Charging
Burn hazard!
Nozzleandmoltenadhesivecanbeover390°F/200°Chot.Alwayswearheat-resistant
gloveswhenperformingthestepsdescribedbelow.
1. Placethedeviceintheworkingbracketoronthebase.
2. Switchthedeviceon(seeSection3.2).Waituntiltheworkingtemperaturehasbeen
reached.
3. Takeholdofthedevicebythehandlewithonehand(17).Withtheotherhandturnthe
lever(10)clockwisethrough180ºandswiveltheclosurecapopen.
4. Fillthetanktoalevelnotlessthan2cmbelowtherim.Themaximumlevelismarked
onthedevicewithasticker(seeillustrationleft).Donotchargethedeviceabovethis
levelsincethemeltexpandswhenheated.
5.Swiveltheclosurecapback.Turnthelever(10)anticlockwiseasfarasitwillgo,in
ordertolockthecap.
4.3 Discharging and metering melt
1. Placethedeviceintheworkingbracketoronthebase.
2. Switchthedeviceon.Waituntilworkingtemperaturehasbeenreached.
3. Checkthatthereisenoughmeltinthetank.
Burn hazard!
Ifthedeviceis“rundry”dropsofmeltmayescapeuncontrolledandendangertheopera-
torandpersonsinthevicinity.
Everytimeyouactuatethetrigger,therefore,rstcarryoutstep(3.)above.
4. Actuatethetrigger(16)
Youcanmeterthequantitydischargedbyalteringthepressure(max.87psi/6bar)at
thepressureregulator(3)and/orselectinganappropriatenozzle.
5. Afterthetrigger(16)hasbeenreleasedthecompressed-airsupplyiscutoffimmedi-
atelyandthetankvented.
max. Level
Operation
8
4.4 Adjusting the spray pattern (HB 710 Spray only)
Thespraypatternisalteredbyadjustingthesprayair.
Settheoptimumspraypatternbyturningthespray-airchoke(14)intheprotectivesleeve
(13):
• Turningitclockwisedecreasesthespray-airpressure.
• Turningitanticlockwiseincreasesthespray-airpressure.
4.5 Automatic temperature reduction (ACE)
Unnecessarythermalloadingofthemeltshouldbeavoided.Thedevicethereforeswitch-
estostandbymodeatreducedtemperaturewhenthetriggerhasnotbeenactuatedfora
considerabletime(pausedoperation).
Intheconditionassuppliedthetemperatureisreducedby72°F/40°Cafter30minutes’
pausedoperation.TheprogrammingoftherelevantparametersisdescribedinSection
3.3.2.
BrieyactuatethetriggerortheUporDownbuttontoquitstandbymode.Thedeviceim-
mediatelyreheatstoworkingtemperature.
4.6 Switching off
1. PresstheStart/Stopbutton(6)forapprox.1suntilthedisplaygoesout.
2. Adjusttheoperatingpressuredownto“0”withthepressureregulator(3)ordisconnect
thecompressed-airsupply.
5 What if...
ThisSectionsummarisesthestatusanderrormessagesandprovideshelpineliminating
errors.
Ifmalfunctionsoccurpleasecheckrst
• hatthepowersupplyand
• compressed-airsupplyarefunctioningcorrectly,and
• whetherthereismechanicaldamagetothedeviceorsupplylines(powersupply,com-
pressedair).
Ifyoundanymechanicaldamage,thedevicemayinnocircumstancesbestartedup
again.Haveitcheckedandrepairedbyaqualiedserviceagent.
5.1 Status and error messages in the display
Indication Cause Action
Decimalpointonleftashes Warm-upphaseactive Thewarm-upphaseisendedwhenatem-
perature2°F/2°Cshortofthesetworking
temperaturehasbeenreached.
Decimalpointonrightislit Setpointloweringactive SeeparametersP1andP2(Section3.3.2)
ERR Permittedmaximumtem-
peratureof500°F/260°C
exceeded
Allowtocooldown
F1L Sensorfault,shortcircuit Havethedevicecheckedbyaqualied
serviceagent.
F1H Sensorfault,sensorbreakage Havethedevicecheckedbyaqualied
serviceagent.
-- Keylockactive SeeparameterP19(Section3.3.2)
EP Datalossinparametermemory Theregulatormustbereplacedbyaquali-
edserviceagent.
What, if…
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3
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