Alfalaval LKH UltraPure User manual

LKH UltraPure Centrifugal Pump
)NSTRUCTION-ANUAL

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DA
Original manual
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2
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1 EC Declaration of Conformity
4HE DESIGNATED COMPANY
!LFA ,AVAL
#OMPANY .AME
!LBUEN  $+ +OLDING $ENMARK
!DDRESS

0HONE .O
HEREBY DECLARE THAT
 0UMP ,+(5LTRA0URE
$ENOMINATION 4YPE 9EAR
IS IN CONFORMITY WITH THE FOLLOWING DIRECTIVES WITH AMENDMENTS
 ,OW 6OLTAGE $IRECTIVE %#
 %-# $IRECTIVE %#
 -ACHINERY $IRECTIVE %#
4HE TECHNICAL CONSTRUCTION FILE IS RETAINED AT THE ABOVE ADDRESS
-ANAGER 0RODUCT #ENTRES  &LUID (ANDLING "JARNE 3NDERGAARD
4ITLE .AME
!LFA ,AVAL +OLDING
#OMPANY 3IGNATURE
$ESIGNATION
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The information contained herein is correct at the time of issue but may be subject to change without prior notice.
5
1. Safety ..................................................................................................... 6
)MPORTANT)NFORMATION 
7ARNING3IGNS 
3AFETY0RECAUTIONS 
2. Installation ............................................................................................. 8
5NPACKING$ELIVERY 
)NSTALLATION 
0REUSECHECK0UMPWITHOUTWITHIMPELLERSCREW 
3. Operation ............................................................................................. 11
/PERATION#ONTROL 
&AULTFNDING 
2ECOMMENDED#LEANING 
4. Maintenance ........................................................................................ 14
'ENERAL-AINTENANCE 
$ISMANTLINGOFPUMPSHAFTSEALS 
!SSEMBLYOFPUMPSINGLESHAFTSEAL 
!SSEMBLYOFPUMPDOUBLEMECHANICALSHAFTSEAL 
!SSEMBLYOFFUSHINGSETIFNOTSUPPLIEDWITHPUMP 
!DJUSTMENTOFSHAFT 
5. Technical data...................................................................................... 24
4ECHNICALDATA 
2ELUBRICATION)NTERVALS 
6. Parts list and Service Kits .................................................................. 27
,+(5LTRA0URE 
,+(5LTRA0URE 
,+(5LTRA0URE 
,+(5LTRA0URE 
,+(5LTRA0URE 
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3AFETY
Unsafe practices and other important information are emphasized in this manual.
Warnings are emphasized by means of special signs.
Always read the manual before using the pump!
WARNING!
)NDICATESTHATSPECIALPROCEDURESmustBEFOLLOWEDTOAVOIDSEVEREPERSONALINJURY
CAUTION!
)NDICATESTHATSPECIALPROCEDURESmustBEFOLLOWEDTOAVOIDDAMAGETOTHEPUMP
NOTE!
)NDICATESIMPORTANTINFORMATIONTOSIMPLIFYORCLARIFYPRACTICES
1.1 Important Information
1.2 Warning Signs
General warning.
Dangerous electrical voltage.
Caustic agents.
Always read the manual before using the pump!
WARNING
CAUTION
NOTE
Recycling information.
• Unpacking
- Packing material consists of wood, plastics, cardboard boxes and in some cases metal straps.
- Wood and cardboard boxes can be reused, recycled or used for energy recovery.
- Plastics should be recycled or burnt at a licensed waste incineration plant.
- Metal straps should be sent for material recycling.
• Maintenance
- During maintenance oil and wear parts in the machine are replaced.
- All metal parts should be sent for material recycling.
- Worn out or defective electronic parts should be sent to a licensed handler for material recycling.
- Oil and all non metal wear parts must be taken care of in agreement with local regulations.
• Scrapping
- At end of use, the equipment shall be recycled according to relevant, local regulations. Beside the equipment itself, any
hazardous residues from the process liquid must be considered and dealt with in a proper manner. When in doubt, or in the
absence of local regulations, please contact the local Alfa Laval sales company.
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Installation:
AlwaysREADTHETECHNICALDATATHOROUGHLY3EECHAPTER
Always USEALIFTINGCRANEWHENHANDLINGTHEPUMP
Pump without impeller screw:
AlwaysREMOVETHEIMPELLERBEFORECHECKINGTHEDIRECTIONOFROTATION
NeverSTARTTHEPUMPIFTHEIMPELLERISFTTEDANDTHEPUMPCASINGISREMOVED
Pump with impeller screw:
NeverSTARTINTHEWRONGDIRECTIONOFROTATIONWITHLIQUIDINTHEPUMP
AlwaysHAVETHEPUMPELECTRICALLYCONNECTEDBYAUTHORIZEDPERSONNEL3EETHEMOTORINSTRUC
TIONS
Operation:
AlwaysREADTHETECHNICALDATATHOROUGHLY3EECHAPTER
NeverTOUCHTHEPUMPORTHEPIPELINESWHENPUMPINGHOTLIQUIDSORWHENSTERILIZING
NeverRUNTHEPUMPWITHBOTHTHESUCTIONSIDEANDTHEPRESSURESIDEBLOCKED
AlwaysHANDLELYEANDACIDWITHGREATCARE
Maintenance:
AlwaysREADTHETECHNICALDATATHOROUGHLY3EECHAPTER
 NeverSERVICETHEPUMPWHENITISHOT 
 NeverSERVICETHEPUMPWITHPUMPANDPIPELINESUNDERPRESSURE
Motor with grease nipples:
2EMEMBERLUBRICATIONACCORDINGTOINFORMATIONPLATELABELONTHEMOTOR
AlwaysDISCONNECTTHEPOWERSUPPLYWHENSERVICINGTHEPUMP
All warnings in the manual are summarized on this page.
Pay special attention to the instructions below so that severe personal injury and/or damage to the pump are avoided.
3AFETY 1.3 Safety Precautions
EN
Transportation: See addendum
CS
DA
DE
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8
)NSTALLATION
2.1 Unpacking/Delivery
Remove packing materials!
Step 1
AlwaysUSEALIFTINGCRANEWHENHANDLINGTHEPUMP
SEETECHNICALDATA
CAUTION!
!LFA,AVALCANNOTBEHELDRESPONSIBLEFORINCORRECT
UNPACKING
The instruction manual is part of the delivery. Study the instructions carefully.
The large pump sizes are very heavy.
Alfa Laval therefore recommends the use of a lifting crane when handling the pump.
Check the delivery for:
#OMPLETE PUMP
$ELIVERY NOTE
-OTOR INSTRUCTIONS
 )NSTRUCTIONSFORFUSHINGSET)&/2$%2%$
Inspection!Step 3
)NSPECTTHEPUMPFORVISIBLETRANSPORTDAMAGES
Step 2
2EMOVEPOSSIBLEPACKINGMATERIALSFROMTHEINLETANDTHEOUTLET
!VOIDDAMAGINGTHEINLETANDTHEOUTLET
Step 4
!VOIDDAMAGINGTHECONNECTIONSFORFUSHINGLIQUIDIF
SUPPLIED
Step 5
AlwaysREMOVETHESHROUDIFFTTEDBEFORELIFTINGTHEPUMP
Remove the shroud before
lifting!
Caution!
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9
)NSTALLATION 2.2 Installation
Step 2
%NSURETHATTHEREISSUFFCIENTCLEARANCEAROUNDTHEPUMP
MINM(1.6 ft)
Step 1
AlwaysREADTHETECHNICALDATATHOROUGHLYSEECHAPTER
AlwaysUSEALIFTINGCRANEWHENHANDLINGTHEPUMPSEETECHNICALDATA
AlwaysHAVETHEPUMPELECTRICALLYCONNECTEDBYAUTHORIZEDPERSONNELSEETHEMOTORINSTRUCTIONS
CAUTION!
!LFA,AVALCANNOTBEHELDRESPONSIBLEFORINCORRECTINSTALLATION
3TUDYTHEINSTRUCTIONSCAREFULLYANDPAYSPECIALATTENTIONTOTHEWARNINGS!LWAYSCHECKTHEPUMPBEFOREOPERATION
3EEPREUSECHECKINSECTION
4HELARGEPUMPSIZESAREVERYHEAVY
!LFA,AVALTHEREFORERECOMMENDSTHEUSEOFALIFTINGCRANEWHENHANDLINGTHEPUMP
Step 3
#HECKTHATTHEFOWDIRECTIONISCORRECT
Step 4
 %NSURETHATTHEPIPELINESAREROUTEDCORRECTLY
 %NSURETHATTHECONNECTIONSARETIGHT
Step 5
!VOIDSTRESSINGTHEPUMP
0AYSPECIALATTENTIONTO
 6IBRATIONS
 4HERMALEXPANSIONOFTHETUBES
 %XCESSIVEWELDING
 /VERLOADINGOFTHEPIPELINES
//UTLET
))NLET
Correct!
Remember
seal rings!
#ORRECT
&EWBENDS
Risk of damage!
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10
)NSTALLATION
2.3 Pre-use check - Pump without/with impeller screw
Study the instructions carefully and pay special attention to the warnings!
LKH UltraPure is without impeller screw as standard but can be supplied with one.
Check the direction of rotation of the impeller before operation.
- See the indication label on the pump.
See the indication label!
Correct!
3TUBSHAFT
Step 5 Pre-use check - Pump with impeller screw
Never STARTINTHEWRONGDIRECTIONOFROTATIONWITHLIQUIDINTHEPUMP
 3TARTANDSTOPTHEMOTORMOMENTARILY
 %NSURETHATTHEDIRECTIONOFROTATIONOFTHEMOTORFANISclockwise
 ASVIEWEDFROMTHEREARENDOFTHEMOTOR
Step 1
 AlwaysREMOVETHEIMPELLERBEFORECHECKINGTHEDIRECTIONOFRO
TATION
 Never STARTTHEPUMPIFTHEIMPELLERISFTTEDANDTHEPUMPCASING
IS REMOVED
 2EMOVECAPNUTSWASHERSAANDPUMPCASING
 2EMOVEIMPELLERSEEALSOSECTION
Correct!
6IEWFROMREAREND
OFTHEMOTOR
See the indication
label!
Step 2
 3TARTANDSTOPTHEMOTORMOMENTARILY
 %NSURETHATTHEDIRECTIONOFROTATIONOFTHESTUBSHAFTIS
anticlockwiseASVIEWEDFROMTHEINLETSIDE
Step 3
&ITANDTIGHTENIMPELLER
Step 4
 &ITPUMPCASING
 &ITWASHERSAANDTIGHTENCAPNUTS
EN
Note: Cap nuts must be tightened according to
tor
q
ue values in the addendum
CS
DA
DE
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11
/PERATION 3.1 Operation/Control
Study the instructions carefully and pay special attention to the warnings!
The pump is fitted with a warning label indicating correct throttling.
Burning
danger!
Correct!
Step 1
AlwaysREADTHETECHNICALDATATHOROUGHLYSEECHAPTER
CAUTION!
!LFA,AVALCANNOTBEHELDRESPONSIBLEFORINCORRECTOPERATIONCON
TROL
Explosion
danger!
See the warning label!
Do not
run dry!
Throttling!
Step 2
Never TOUCHTHEPUMPORTHEPIPELINESWHENPUMPINGHOTLIQUIDS
ORWHENSTERILIZING
Step 3
NeverRUNTHEPUMPWITHBOTHTHESUCTIONSIDEANDTHEPRESSURE
SIDEBLOCKED
Step 4
CAUTION!
 4HESHAFTSEALMUSTnotRUNDRY
 NeverTHROTTLETHEINLETSIDE
Step 5
Control:
2EDUCETHECAPACITYANDTHEPOWERCONSUMPTIONBYMEANSOF
 4HROTTLINGTHEPRESSURESIDEOFTHEPUMP
 2EDUCINGTHEIMPELLERDIAMETER
 2EDUCINGTHESPEEDOFTHEMOTOR
Wrong!
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12
Problem
/VERLOADEDMOTOR
$AMAGE
0R ESSUREREDUCTION
 SOMETIMESTOZERO
 )NCREASEDNOISELEVEL
,EAKINGSHAFTSEAL
,EAKINGSEALS
Cause/result
 0UMPINGOFVISCOUSLIQUIDS
 0UMPINGOFLIQUIDSWITHHIGHDENSITY
 ,OWOUTLETPRESSURECOUNTER
PR ESSURE
 ,AMINATIONOFPRECIPITATESFROMTHE
LIQUID
 ,OWINLETPRESSURE
 (IGHLIQUIDTEMPERATURE
 )NCORRECTRUBBERGRADE
 !BRASIVEPARTICLESINTHELIQUID
$RY RUN
 3EESECTION
)NCORRECTRUBBERGRADE
Repair
,ARGER MOTOR
3MALLER IMPELLER
 (IGHERCOUNTERPRESSURE
THR OTTLING
&R EQUENTCLEANING
 )NCREASINGOFTHEINLETPRESSURE
 2EDUCINGTHELIQUIDTEMPERATURE
 2EDUCINGTHEPRESSUREDROP
 BEFORETHEPUMP
 2EDUCINGTHESPEED
Replace:
!LLWEARINGPARTS3EECHAPTER
If necessary:
 3ELECTADIFFERENTRUBBERGRADE
 3ELECTSTATIONARYANDROTATINGSEAL
 RINGIN3ILICON#ARBIDE3ILICON#AR
 BIDEABRASIVEPARTICLES
2EPLACEWITHSEALSOFADIFFERENT
RUBBERGRADE
/PERATION
3.2 Fault finding
./4%
3TUDYTHEMAINTENANCEINSTRUCTIONSCAREFULLYBEFOREREPLACINGWORNPARTS3EESECTION
Pay attention to possible faults.
Study the instructions carefully.
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13
Step 3
Examples of cleaning agents:
5SECLEANWATERFREEFROMCHLORIDES
 BYWEIGHT.A/(ATO#(158°F)
 KG(2.2 lbs)L(26.4 gal)#LEANINGAGENT
.A/(  WATER
L(0.58 gal) L(26.4 gal)#LEANINGAGENT
.A/(  WATER
Always rinse!
Burning danger!
The pump is designed for cleaning in place (CIP). CIP = Cleaning In Place.
Pay special attention to the warnings!
NaOH = Caustic Soda.
HNO3= Nitric acid.
Step 1
AlwaysHANDLELYEANDACIDWITHGREATCARE
3.3 Recommended Cleaning
Step 2
NeverTOUCHTHEPUMPORTHEPIPELINESWHENSTERILIZING
Step 5
AlwaysRINSEWELLWITHCLEANWATERAFTERTHECLEANING
CAUTION!
4HECLEANINGAGENTSMUSTBESTOREDDISPOSEDOFINACCORDANCE
WITHCURRENTRULESDIRECTIVES
/PERATION
AlwaysUSE AlwaysUSE
 RUBBERGLOVES PROTECTIVEGOGGLES
Caustic danger!
7ATER#LEANING
AGENT
Step 4
 !VOIDEXCESSIVECONCENTRATIONOFTHECLEANINGAGENT
⇒Dose gradually!
 !DJUSTTHECLEANINGFOWTOTHEPROCESS
Sterilization of milk/viscous liquids
⇒Increase the cleaning flow!
 BYWEIGHT(./ATO#(158°F)
L(0.18 gal) L(26.4 gal) #LEANINGAGENT
 (./ WATER
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14
-AINTENANCE
4.1 General Maintenance
Maintain the pump carefully. Study the instructions carefully and pay special attention to the warnings!
Always keep spare shaft seals and rubber seals in stock.
See separate motor instructions.
See separate instructions for flushing set - if ordered.
Step 3
NeverSERVICETHEPUMPWITHPUMPANDPIPELINESUNDERPRESSURE
Step 1
AlwaysREADTHETECHNICALDATATHOROUGHLYSEECHAPTER
AlwaysDISCONNECTTHEPOWERSUPPLYWHENSERVICINGTHEPUMP
NOTE!
!LLSCRAPMUSTBESTOREDDISPOSEDOFINACCORDANCEWITHCURRENTRULESDIRECTIVES
Burning danger!
Atmospheric pressure
required!
Step 4
CAUTION!
&ITTHEELECTRICALCONNECTIONSCORRECTLYIFTHEYHAVEBEENREMOVED
FROMTHEMOTORDURINGSERVICESEEPREUSECHECKINSECTION
Pay special attention to the warnings!
Step 2
NeverSERVICETHEPUMPWHENITISHOT
Step 5
Recommended spare parts:
3ERVICEKITSSEECHAPTER
/RDERSERVICEKITSFROMTHESERVICEKITSLISTSEECHAPTER
Ordering spare parts:
#ONTACTTHE3ALES$EPARTMENT
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15
0REVENTIVEMAINTENANCE
-AINTENANCEAFTERLEAKAGE
LEAKAGENORMALLYSTARTS 
SLOWLY
0LANNEDMAINTENANCE
,UBRICATION
Shaft seal
Replace after 12 months:
(one-shift)
#OMPLETESHAFTSEAL
Replace by the end of
the day:
#OMPLETESHAFTSEAL
2EGULARINSPECTIONFOR
 LEAKAGEANDSMOOTH
OPERATION
+EEPARECORDOFTHE
PUMP
5SETHESTATISTICSFOR
 PLANNINGOFINSPECTIONS
Replace after leakage:
#OMPLETESHAFTSEAL
Before fitting
,UBRICATETHE1UAD/
RINGSWITHSILICONEGR EASE
ORSILICONEOIL
Rubber seals
2EPLACEWHENREPLACINGTHE
SHAFTSEAL
2EPLACEWHENREPLACINGTHE
SHAFTSEAL
2EPLACEWHENREPLACINGTHE
SHAFTSEAL
Before fitting
3ILICONEGR EASEORSILICONE 
OIL
Motor bearings
9EARLYINSPECTIONIS
RECOMMENDED
2EPLACECOMPLETEBEARING
IF WORN
%NSURETHATTHEBEARINGIS
 AXIALLYLOCKED3EEMOTOR
INSTRUCTIONS
3EEh2ELUBRICATION)NTERVALSv
SECTION
Maintain the pump carefully.
Study the instructions carefully and pay special attention to the warnings!
Always keep spare shaft seals and rubber seals in stock. See separate motor instructions.
4.1 General Maintenance
-AINTENANCE
Pre-use check
CAUTION!
&ITTHEELECTRICALCONNECTIONSCORRECTLYIFTHEY HAVEBEENREMOVEDFROMTHEMOTORDURINGSERVICE
3EEPREUSECHECKINSECTION
Pay special attention to the warnings!
 3TARTANDSTOPTHEMOTORMOMENTARILY
 %NSURETHATTHEPUMPOPERATESSMOOTHLY
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16
-AINTENANCE
4.2 Dismantling of pump/shaft seals
Study the instructions carefully.
The items refer to the parts list and service kits section.
Handle scrap correctly.
: Relates to the shaft seal.
Step 3
Double mechanical shaft seal:
5NSCREWTUBESUSINGASPANNER
Step 2
5NSCREWCAPNUTSANDR EMOVEWASHERSAANDPUMP 
CASING
Counterhold with a
screwdriver!
Step 6
 0ULLOFFTHE/RINGFROMBACKPLATE
 5NSCREWNUTSANDREMOVEWASHERSAND
 THEBACKPLATE
If necessary!
Step 5
 2EMOVEIMPELLERSCREWIFFTTED
 2EMOVEIMPELLER)FNECESSARYLOOSENTHE
 IMPELLERBYTAPPINGGENTLYONTHEIMPELLERVANES
 2EMOVETHE/RINGFROMTHEIMPELLERIFFTTED
Step 4
2EMOVESCREWANDSAFETYGUARD
Step 1
Flushing set for double mechanical shaft seal:
 2EMOVEFOWMETERANDPRESSUREGAUGE
 2EMOVEUPPERTUBE
 2EMOVEFUSHINGSETFROMPUMPCASINGAND
 LOWERTUBEANDREMOVELOWERTUBE

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17
4. Maintenance
Study the instructions carefully.
The items refer to the parts list and service kits section.
Handle scrap correctly.
: Relates to the shaft seal.
4.2 Dismantling of pump/shaft seals
Use the tool supplied!
Left hand thread!
Step 7
 2EMOVETHESTATIONARYSEALRING
 2EMOVETHE/RINGFROMBACKPLATE
Step 8
Double mechanical shaft seal:
 2EMOVESCREWSANDSEALHOUSINGA
 2EMOVEROTATINGSEALRINGSANDDRIVERING
 FROMSPRING
 2EMOVE/RINGSFROMROTATINGSEALRINGS
Step 10
3INGLESHAFTSEAL
 2EMOVETHECOMPLETESHAFTSEALFROMSTUBSHAFT
 2EMOVESPRINGANDROTATINGSEALRINGFROMTHEDRIVE
RING 
Step 9
Double mechanical shaft seal:
 2EMOVESTATIONARYSEALRINGFROMSEALHOUSING
AB
 2EMOVE/RINGFROMSTATIONARYSEALRING
 2EMOVE/RINGFROMSEALHOUSINGAB
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18
-AINTENANCE
4.3 Assembly of pump/single shaft seal

Step 2
 2EFTSPRINGONROTATINGSEALRING
 &ITTHESPRINGANDTHEROTATINGSEALRINGON
 DRIVERING
CAUTION!
%NSURETHATTHEDRIVERONTHEDRIVERINGENTERSTHENOTCHINTHE
ROTATINGSEALRING
Step 1
2EMOVESPRING
NOTE!
-AKESURETHAT/RINGHASMAXCLEARANCEFR OMTHESEALING
SURFACE
Step 3
&ITTHECOMPLETESHAFTSEALONSTUBSHAFT
NOTE!
-AKESURETHATCONNEXPINONTHESTUBSHAFTENTERSTHENOTCH
INDRIVERING
Step 6
,UBRICATE/RINGANDSLIDEITONTOBACKPLATE
Step 5
 #LEANTHESEALINGSURFACESWITHCONTACTCLEANERBEFOREFTTING
 BACKPLATE
 #AREFULLYGUIDETHEBACKPLATEONTOADAPTOR
 &ITWASHERSANDNUTS




Step 4
 &IT/RINGONSTATIONARYSEALRINGANDLUBRICATE
 3CREWTHESTATIONARYSEALRINGINTOBACKPLATE
CAUTION!
/NLYTIGHTENBYHANDTOAVOIDDEFORMINGTHESTATIONARYSEALRING
MAX.M
Use the tool
supplied!
Left hand
thread!
Study the instructions carefully.
The items refer to the parts list and service kits section.
Handle scrap correctly.
: Relates to the shaft seal.
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19
-AINTENANCE
Study the instructions carefully.
The items refer to the parts list and service kits section.
Lubricate the rubber seals before fitting them.
Step 8
&ITSAFETYGUARDANDSCREWANDTIGHTEN
Step 9
 &ITPUMPCASINGWASHERSAANDCAPNUTS
 !DJUSTPUMPCASINGTOTHERIGHTPOSITION
 4IGHTENNUTSFORBACKPLATEANDTIGHTENCAP
NUTS 
Step 7
 ,UBRICATE/RINGANDFTITINIMPELLERIFIMPELLER
 SCREWISUSED
 ,UBRICATETHEIMPELLERHUBWITHSILICONEGREASEOROIL
 3CREWTHEIMPELLERONTOSTUBSHAFT
 &ITIMPELLERSCREWANDTIGHTENIFUSED
4.3 Assembly of pump/single shaft seal
EN
Note: Cap nuts must be tightened according to
tor
q
ue values in the addendum
CS
DA
DE
EN
Tightening torque for impeller screw: 20Nm (7,4 lbf-ft)
CS
DA
DE
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20
-AINTENANCE
Study the instructions carefully.
The items refer to the parts list and service kits section.
Lubricate the rubber seals before fitting them.
 : Relates to the shaft seal.
4.4 Assembly of pump/double mechanical shaft seal
Step 1
 &IT/RINGSINROTATINGSEALRINGS
 &ITSPRINGONONEOFTHEROTATINGSEALRINGSANDPLACETHEDRIVERINGINBETWEEN
 &ITTHESECONDROTATINGSEALRINGONTHEOTHERENDOFTHESPRING
Note:
 %NSURETHATBOTHDRIVEPINSONTHEDRIVERINGENTERSTHENOTCHESINROTATINGSEALRINGS
 0LACETHEPARTSONTHESTATIONARYSEALRINGFTTEDINBACKPLATE
Step 2
 ,UBRICATE/RINGANDSLIDEONTOSEALHOUSINGA
 ,UBRICATE/RINGANDFTONSTATIONARYSEALRING
 ANDFTTHISINTHESEALHOUSING
Step 3
 #LEANTHESEALINGSURFACESWITHCONTACTCLEANER
 &ITSEALHOUSINGAONTHEBACKPLATEANDTIGHTEN
SCR EWS
Step 5
,UBRICATE/RINGANDSLIDEITONTOBACKPLATE
Step 6
 ,UBRICATE/RINGANDFTITINIMPELLERIF
 IMPELLERSCREWISUSED
 ,UBRICATETHEIMPELLERHUBWITHSILICONEGREASE
OR OIL
 3CREWIMPELLERONTOSTUBSHAFT
 &ITIMPELLERSCREWANDTIGHTENIFUSED
Step 4
 4OENABLEFTTINGBACKPLATEWITHTHESHAFTSEAL
 REMOVECONNEXPINFROMSTUBSHAFTIFFTTED
 #AREFULLYGUIDETHEBACKPLATEONTOADAPTOR
 &ITWASHERSANDNUTS


EN
Tightening torque for impeller screw: 20Nm (7,4 lbf-ft)
CS
DA
DE
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