3M Pentamix 2 User manual

Reparaturhandbuch
ServiceManual
PentamixTM2

Vers.(11/02)
PentamixTM2
3M ESPE AG 2002 Subject to technical modifications without prior notice.
Allrightsreserved
Printedinthe Federal Republic of Germany (11/02)
Thispublicationmaynot bereproducedanditscontentsmay notbemadeuseof orcommunicatedwithoutpriorpermission.
Violatorsthereofwillbeobligedtoprovide compensation. All rights reserved,especiallyincaseofpatentsorregistereddesigns.
Wehavechecked thatthecontentsof thispublicationcoincidewith theunitdescribed.However, asdifferencescannotbe ruledoutweguarantee thattheymatchfully. Thedetails
providedinthispublication aremonitoredregularyandnecessary changesincludedinfollowingeditions.Thedatewhenthelastchangesweremadeis printedoneverypage.We
wouldappreciateanysuggestionsforimprovements.

Vers.(11/02)
PentamixTM2
Table of Contents
I
Table of Contents
1Safety Instructions..................................................................................................1
1.1 Marking of Instructions in the Service Manual ............................................................1
1.2 PersonnelQualifications andTraining .......................................................................2
1.3 Dangers when Safety Instructions are not Observed.................................................2
1.4 Safety-Conscious Working........................................................................................2
1.5 Safety Instructions forthe Service Engineer ..............................................................2
1.6 Safety Instructions for Repair Work...........................................................................2
1.7 UnauthorisedModificationsand Manufacture ofSpare Parts .....................................3
2Contacts and Address of Service Department.....................................................3
3Before Starting Service .........................................................................................4
3.1 Tools required ...........................................................................................................4
3.2 OtherEquipment Required........................................................................................4
4General Description ...............................................................................................5
4.1 Description of the Product.........................................................................................6
4.2 Troubleshooting.........................................................................................................7
5Pentamix 2 ...........................................................................................................9
5.1 Case Lid ...................................................................................................................9
5.2 Plunger Discs .........................................................................................................10
5.3 Base .......................................................................................................................10
5.4 Leftand RightHandSideCover .............................................................................. 11
5.5 Case Bottom Section .............................................................................................. 11
5.6 MixerShaft ..............................................................................................................12
5.7 Case Top Section....................................................................................................12
5.8 Power Switch..........................................................................................................13
5.9 Power Cable ...........................................................................................................13
TM

Vers.(11/02)
PentamixTM2
5.10 Clutch .....................................................................................................................14
5.11 SideLeft..................................................................................................................14
5.12 Traverse..................................................................................................................15
5.13 Drive Shaft ..............................................................................................................15
5.14 Chains ....................................................................................................................16
5.15 FeedMotor..............................................................................................................17
5.16 Mixer Motor..............................................................................................................17
5.17 PC-Board................................................................................................................18
5.18 Side Right ...............................................................................................................19
5.19 Shutt-Off-Point ........................................................................................................19
5.20 Assembling Housing ...............................................................................................20
6Functional Test .....................................................................................................22
7Circuit Diagram / Drawings / Spare Parts List ....................................................23
7.1 Circuit Diagram.......................................................................................................23
7.2 Drawings ................................................................................................................24
7.3 Spare Parts List ......................................................................................................25
II
Table of Contents

Vers.(11/02)
PentamixTM2
TableofIllustrations
III
Table of Illustrations
Fig. 1 PENTAMIX 2
Fig. 2 OpenPENTAMIX 2
Fig. 3 Plunger Discs
Fig. 4 PC-Board

Vers.(11/02)
PentamixTM2
1Safety Instructions
The service manual contains basic instructions which must be complied with when
repairwork is being carriedout.Accordingly,the service engineer mustnotfailto read
this service manual before carrying out any repair work. It must be accessible at all
times at the place where the machine is being operated. Moreover not only the general
safety instructions listed in the section dealing with safety should be observed but also
special safety instructions included in the other main sections.
1.1 Marking of Instructions in the Service Manual
Those safety instructions included in this service manual which could lead to
endangermentof persons if ignoredaremarked with the generaldangersymbol
safety symbol as per DIN 4844 - W9,
wherea warning is given concerningelectricalpowerthen
the safety symbol as per DIN 4844 - W8 is used.
Inthe case of safety instructionswherenon-compliancecouldendanger the machine
and its functions, the word
has been added.
Informationaffixed directly to the machine,suchas
mmarkingsshowing direction of rotation
mmarkings for electrical and mechanical connections
mustnever be ignoredandmust always bekeptcompletely legible.
SafetyInstructions
1
CAUTION

Vers.(11/02)
PentamixTM2
1.2 Personnel Qualifications and Training
Personnel carrying out repair work on this equipment must possess the corresponding
qualificationsfor this work.Theowner must lay downpreciserules regarding the areaof
responsibility,thedutiesand the supervision of the personnel.
If the personnel are not in possession of the necessary skills then they should be
trained and instructed in these. If necessary this can be done by the manufacturer or
supplier at the owner’s request. In addition the owner must ensure that his personnel
fullyunderstand the contents of theservicemanual.
1.3 Danger when Safety Instructions are not Observed
Failure to observe the safety instructions may lead to both endangerment of persons as
alsoof the environmentandthe machine. If youdonot comply with safetyinstructions
this can result in the loss of any claims for losses.
Inparticular non-observance of safety instructionsmaybringwithit the following
potential hazards:
mfailureofmajormachinefunctions
mfailureof the methodsprescribedfor maintenance and repair
mendangerment of persons by electrical, mechanical and thermal effects.
1.4 Safety - Conscious Working
Thesafety instructions drawn up inthisservicemanual,existing national regulations
concerningaccident prevention, and anyinternalwork,operational and safety
regulationsof the ownermustall be observed.
1.5 Safety Instructions for the Service Engineer
Potentialendangermentfrom electrical power must be excluded (fordetailsseefor
example VDE regulations and those of the local power supply authority).
1.6 Safety Instructions for Repair Work
The owner must ensure that all repair work is carried out by authorised and qualified
technicianswho have acquainted themselvesindepth with the service manual.
Work on the equipment will only be carried out when it has been shut down.
Immediatelyafter repair work isfinished all safety andguardfacilities must be replaced
orreactivated.
SafetyInstructions
2

Vers.(11/02)
PentamixTM2
1.7 Unauthorised Modifications and Manufacture of
Spare Parts
Conversionormodification of the machine isonlypermittedwiththe approval of the
manufacturer.The use of originalspareparts and accessories authorised by
the manufacturer is in the interests of safety. Use of other parts may cancel
manufacturersliabilityfortheensuing consequences.
2Contacts and Address for Service Department
Region:
Europe, Nothern Africa, Near East
3M ESPE AG Primary Contact
TechnicalService Peter Cabell
ESPE Platz Tel.: [phone]
D-82229Seefeld Fax: [phone]
Germany
Region:
US, Canada, Mexico, Central America, South America, Japan, Asia, Australia
3M Healthcare Service Center Primary Contact
Building 502-1W, Suite 200 Tony Wald
3350Granada AveN. Tel.: [phone]
Oakdale,MM55128 Ed Skwor
UnitedStatesofAmerica Tel.: [phone]
Fax: [phone]
Contactsand AddressforService Department
3

Vers.(11/02)
PentamixTM24
Before Starting Service
3Before Starting Service
3.1 Tools Required
Allen key
Open-endedspanner
Pointed pliers
Rubberhammer
Screwdriver for recessed-head screws
Screwdriverforslotted-head screws 2x
Sidenippers
Universalpliers
3.2 Other Equipment Required
Balance
Felt pen
Multimeter
Slide gauge
Solderingiron
Stopwatch

Vers.(11/02)
PentamixTM25
GeneralDescription
4General Description
Fig. 1 PENTAMIX 2
CaseTop Section
Case Lid
Right-HandSide Cover
Cartridge
Case Power Button
BaseCover
Case Base
Left-Hand
SideCover
Case Lid Left
CaseBottom
Section

Vers.(11/02)
PentamixTM26
GeneralDescription
4.1 Description of the Product
CAUTION
Thepower supply for the PENTAMIX2is230V~
(US: 120V~). This means that parts of the unit carry
hazardousvoltages!Makesureyoualways remove the
mainsplugbefore performing repairs.
Theapplicableaccidentprevention regulations, VDE
regulationsand operating instructions for thePENTAMIX2
should be observed.
Make sure you always follow the repair procedure in its
properordertoprevent any injury.
Before starting up the unit for the first time, check that the
operatingvoltageandfrequencyindicatedontherating
platecorrespondtothe supply voltageandfrequency
available.
Do not lock the start button of the PENTAMIX 2 to avoid
hazardoussituations and non-stop operation.
The PENTAMIX 2 is an automatic dispensing and mixing unit for ESPE PENTA
impression materials. The PENTA impression materials designed for use with this unit
are supplied in polythene bags. Only this type of packaging can be used with the
PENTAMIX2.
The polythene bags are inserted in the unit using sturdy, product-specific marked
cartridges.Theypermitproductchangeover and refilling without any wastage or need for
intermediate cleaning.
The unit is suitable for either tabletop use or wall mounting.
See the operating instructions for the PENTAMIX 2 for how to fill, insert and start up a
cartridge.

Vers.(11/02)
PentamixTM27
GeneralDescription
4.2 Troubleshooting
CAUTION
Beforestarting up the PENTAMIX2for the first time, check
thattheoperatingvoltage and frequency indicated on the
rating plate correspond to the supply voltage and frequency
available.
mVisual check for defects
Beforelocatingfaults check the PENTAMIX 2 formechanicaldamage.
Connect the PENTAMIX 2 to the power supply using the power cable and make a
functional check.
mLocatefaults according to the followingfaultlocationdiagram
CAUTION
When measurements are taken with the PENTAMIX 2
open,the power switch,feedmotor, mixer motor,PCboard
andpowertransformeraresubjectto hazardous voltages.

Vers.(11/02)
PentamixTM2 8
GeneralDescription
Fault location diagram
Enough
material
conveyed
?
Pinion faulty
?Clutch worn
?
Exchange clutch
Exchange pinion
END
Feed motor
faulty
?
Exchange
feed motor
N N N N
Y
Y
Y
Y
BEGIN
Connect to mains,
press button
Plunger discs
move
?
Power cable
faulty
?
Fuse faulty
?
PC board defect,
exchange if
necessary
Exchange
fuse
Exchange
power cable
N N N
YY
Y
BEGIN

Vers.(11/02)
PentamixTM29
PentamixTM2
5PentamixTM 2
Fig. 2 Open PENTAMIX 2
5.1 Case Lid
Changingcaselid
1. Open case lid and grasp with both hands
2. Remove case lid sideways
3. Snap new case lid into place by pressing onto both hinges
Power Cable PC Board
FeedMotor
Power Switch
Helical
CompressionSpring
Sliding Seal Ring
andPinion
CaseTwistGrip Endpiece
Clutch
Bottom
Plate
DriveShaft
Bearing Plate
MixerShaft
SideLeftComplete
Traverse
Mixer Motor
SideRightComplete
Chain

Vers.(11/02)
PentamixTM210
PentamixTM2
5.2 Plunger Discs
Changingplungerdiscs
1. Removeplungerdisc screws
2. Removeplungerdiscs from traverse
3. Fit new plunger discs as shown in Fig. 3
NOTE
When replacing plunger discs make sure that the smooth side of the plunger discs
is facing the polythene bag (the reverse with the fan-shaped recesses must face
away).Otherwise the polythene bag maybecomedamaged.
Fit support discs as shown in Fig. 3.
Fig. 3 Plunger Discs
5.3 Base
Changing base
1. Place unit upside down on a clean non-slip surface
2. Removerecessed-head screws of basecover
3. Removebase cover
4. Unwindpowercable from reel
5. Remove recessed-head screws holding case base
6. Removecasebase
7. Fitnewcasebase,proceedingin reverse order
NOTE
Put the screws into numbered dishes or attach to the individual parts using
adhesivetape. This will helpyouto reassemble the PENTAMIX2later on.

Vers.(11/02)
PentamixTM211
PentamixTM2
5.4 Left and Right Hand Side Covers
CAUTION
Beforeopening the PENTAMIX2make sure youremovethe
mains plug.
Changingleft-handsidecover
1. Remove case base - see section 5.3
2. Carefullyremovecase lid left using ascrewdriverforslotted-headscrews
3. Removerecessedandcountersunkheadscrewofleft-handsidecover
4. Slightlyraise left-hand side cover andremovesideways
5. Fitnewleft-handsidecover,proceedinginreverseorder
Changingright-handside cover
1. Removebase - see section5.3
2. Carefullyremovecase twist grip using twoscrewdriversforslotted-headscrews
NOTE
The spring plate inserted in the twist grip has to be fitted with the curved side
facingthe drive shafttoensure secure locking.
3. Removerecessed and countersunk headscrewofright-hand side cover
4. Slightlyraiseright-handsidecoverand remove sideways
5. Fitnewright-handsidecover,proceedinginreverseorder
NOTE
Before assembling, pass the power cable through the strain relief device provided.
5.5 Case Bottom Section
Changingcasebottom section
1. Remove case base - see section 5.3
2. Removebothsidecovers-see section 5.4
3. Removebothrecessed-headscrewsforfixingtobottomplate
4. Removeeight recessed-head screwsforfixing to casetopsection
5. Liftoffcasebottomsection
6. Installnew case bottom section inreverseorder
7. Assembling housing - see section 5.20
8. Functional test - see section 6

Vers.(11/02)
PentamixTM212
PentamixTM2
5.6 Mixer Shaft
Changingmixershaft
1. Remove case base - see section 5.3
2. Removebothsidecovers-see section 5.4
3. Remove case bottom section - see section 5.5
4. Remove helical compression spring at back
5. Removeshaft securing of mixershaft
6. Holdpinion
NOTE
There is a sliding seal ring between the pinion and helical compression spring
7. Pullmixer shaft towardsfrontof unit toremovefrom case
8. Fitnewmixershaftinreverseorder
9. Assembling housing - see section 5.20
10. Functional test - see section 6
5.7 Case Top Section
Changing case top section
1. Remove plunger discs - see section 5.2
2. Remove case base - see section 5.3
3. Removebothsidecovers-see section 5.4
4. Remove case bottom section - see section 5.5
5. Removemixershaft - see section 5.6
6. Push traverse right back using twist grip
7. Remove case top section
8. Fit new case top section in reverse order
9. Assembling housing - see section 5.20
10. Functional test - see section 6

Vers.(11/02)
PentamixTM213
PentamixTM2
5.8 Power Switch
Changing power switch
1. Remove plunger discs - see section 5.2
2. Remove case base - see section 5.3
3. Removebothsidecovers-see section 5.4
4. Remove case bottom section - see section 5.5
5. Removemixershaft - see section 5.6
6. Remove case top section - see section 5.7
7. Remove power switch from its mounting
8. Mark leads of power switch and unsolder
CAUTION
Thesnaplock must be removed from thenewpower
switch:
Push the bottom of the helical compression spring back
untilthe snap lock canberemoved.
CAUTION
Before installing the new power switch the soldering tags
should be cut off without making a hole flush with the rear
of the power switch using side nippers.
9. Installnew power switch inreverseorder
10. Assembling housing - see section 5.20
11. Functional test - see section 6
5.9 Power Cable
Changingpowercable
1. Remove plunger discs - see section 5.2
2. Removebase - see section5.3
3. Removebothsidecovers-see section 5.4
4. Remove case bottom section - see section 5.5
5. Removeclamping screws ofpowercable on PC board
6. Removepower cable
7. Fitnewpowercableinreverseorder
CAUTION
Recheck that wiring is correct, in particular the
yellow& green protective conductor(US:green).
8. Assembling housing - see section 5.20
9. Functional test - see section 6

Vers.(11/02)
PentamixTM214
PentamixTM2
5.10 Clutch
Changingclutch
1. Remove plunger discs - see section 5.2
2. Remove case base - see section 5.3
3. Removebothsidecovers-see section 5.4
4. Remove case bottom section - see section 5.5
5. Removemixershaft - see section 5.6
6. Remove case top section - see section 5.7
7. Removerecessed-headscrewofbearingplate
8. Liftoffbearing plate using two screwdrivers
9. Liftoffspur wheel and support ring
10. Releaseconnection wires fromterminalstrip of PC board
11. Removerecessed-headscrewsofspool
12. Liftoff spool
CAUTION
Pay attention to the slide bearing between the spur wheel
anddriveshaft
13. Installnewclutchin reverse order
14. Assembling housing - see section 5.20
15. Functional test - see section 6
5.11 Side Left
Changingsideleft
1. Remove plunger discs - see section 5.2
2. Remove case base - see section 5.3
3. Removebothsidecovers-see section 5.4
4. Remove case bottom section - see section 5.5
5. Removemixershaft - see section 5.6
6. Remove case top section - see section 5.7
7. Removeclutch - see section5.10
8. Removerecessed-head screw connecting endpiece
9. Removeconnection to bearing plate formixermotor
10. RemoveAllenscrewsconnecting bottom plate on left-hand side
11. Removeleft side complete using rubber hammer
12. Removegeared motor
13. Liftoffchain anddeflectionroller
14. Installnewsideinreverseorder
15. Check cut-off point - see section 5.19
16. Assembling housing - see section 5.20
17. Functional test - see section 6

Vers.(11/02)
PentamixTM215
PentamixTM2
5.12 Traverse
Changingtraverse
1. Remove plunger discs - see section 5.2
2. Remove case base - see section 5.3
3. Removebothsidecovers-see section 5.4
4. Remove case bottom section - see section 5.5
5. Removemixershaft - see section 5.6
6. Remove case top section - see section 5.7
7. Slideforwardbothtraverse covers to remove
8. Movecross-member to reveal therecessed-headscrews fixing the chainstothe
traverseinthebore
9. Removerecessed-head screws
10. Loosen left side - see section 5.11
NOTE
Leftside should onlybeloosened and notremovedcompletely
11. Removetraverse
12. Fitnewtraverseinreverseorder
13. Check shut-off point - see section 5.19
14. Assembling housing - see section 5.20
15. Functional test - see section 6
5.13 Drive Shaft
Changingdriveshaft
1. Remove plunger discs - see section 5.2
2. Remove case base - see section 5.3
3. Removebothsidecovers-see section 5.4
4. Remove case bottom section - see section 5.5
5. Removemixershaft - see section 5.6
6. Remove case top section - see section 5.7
7. Movetraversetoreveal the recessed-headscrewsfixingthechainsto
the traverse in the bore
8. Removerecessed-head screws
9. Remove left side - see section 5.11
10. Remove cable ties
11. Releasefeedmotor leads from terminal strip ofPCboard
12. Release connection to bearing plate for mixer motor
13. Removedeflection roller with chain
14. Removedrive shaft
15. Installnewdriveshaft in reverse order
16. Check shut-off point - see section 5.19
17. Assembling housing - see section 5.20
18. Functional test - see section 6