Alfa level M3 - Page 27

Maintenance
Step6
Presstheplatepackagetogether.Positionthetighteningbolts
accordingtothegure.
Note!
ForTL6-B:Positiontighteningbolts1and2(alternatively
3and4).Tightenthetighteningboltsuntilthereaction
forceoftheplatepackagecanbenoticed.Makesure
thattheframeandpressureplateareinparallelduring
theclosingprocedure(withinmaximum10mm).
Positionremainingboltsandtightenthemtothesame
dimension.
Tightenthetighteningbolts(1-2-3-4)untilthereactionforceof
theplatepackagecanbenoticed.Makesurethattheframeand
pressureplateareinparallelduringtheclosingprocedure.
A
A
3
1
2
4
Step7
Tighteningthetighteningboltsevenlyinthenumberedorder,
1-2-3-4.ContinuealternatelyuntildimensionAhasbeen
reached.
Note!
ForTL6-B:Continuetotighten10mmorlesswithbolt5
and6.Thentighteningremainingboltswithsamelength.
RepeatthosestepuntilthedimensionAisachieved.
Whenapneumatictighteningdeviceisused,seetablebelowfor
maximumtorque.MeasuredimensionAduringtightening.
BoltwithwasherBoltsize
Nmkpm
M10323.2
M1613513.5
M2026526.5
M2445045
M3090090
Formanualtightening,thetighteningtorquehastobeestimated.
IfdimensionAcannotbereached
•CheckthenumberofplatesandthedimensionA.
•Checkthatallthenutsandbearingboxesarerunningfreely.
Ifnot,cleanandlubricate,orreplace.
A
A
3
1
6
5
2
4
Step8
Positionthelockingbolts.Tighteningtheboltsandcheck
measurementAonbothsides,attopandbottom
Note!
NotvalidforTL6-B.
DocumentIDLanguageEdition
3490010217EN2014-11InstructionManual-PlateHeatExchangers27
EN