Nespresso EF483/484 Coffeemaker User Manual


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Citizservicemanual
54
R E P A I R S
Designationofspareparts
Thecomponentsinthefollowingillustrationsareindexedwithpositionnumbers.
Seeseparatesparepartslistforcorrespondingsparepartnumbers.
Distinguishbetweensparepartsofthedifferentmodelsandcoreunit
versions.
Electrostaticdischargeprotection
Wheninstallinganewelectroniccontrolboard,theservicetechnicianmustbeearthed
withagroundingband.
Wiringarrangement
Randomchangesinthewiringarrangementduringarepaircancause
 electromagneticinterferences,
 squeezedwires,
 insulationdefectsduetocontactwithhotparts,
 insulationproblemsiflowandhighvoltagewiresarenotseparated.
Protectivemeasures:
• Donotchangethecourseofinternalwiringduringrepair.
• Makesurethatwiresaredistantfromhotpartsuseexistingcableductsandclips.
Residualwater
• Ifitisnecessarytopulloffhosesfromcomponents,holdreadyasmallbeakerand
atoweltocollectandwipeawayleakingwater.
• Aspecialprocedureisnecessarytoemptythefluidsystemofthecoffeemachinefor
repairorshipment(referto"Emptywatersystem"onpage37).
TX20screw/
groundconnection(PE)onther
moblock
150(+30/0)Ncm
1.5(+0.3/0)Nm
Screw/screwconnection Torque Position
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