55
thn isiwvsete argav wvste to leiwmevno mevtallo na mhn
rantivzetai sto mpek (blevpe eik. 2).
Authv h enevrgeia prevpei na ekteleivtai ovtan trupouvntai
mevtalla pavcou" anwvterou twn 3 mm.
Sthn autovmath crhvsh (blevpe eik. 3) krathvste to mpek
se 6§7 mm apov to temavcio kai afouv pragmatopoihvsete
thn ophv plhsiavste to se 3§4 mm perivpou. Mhn trupav-
te mevtalla pavcou" uyhlovterou apov to misov tou anwv-
terou pavcou" pou epitrevpetai apov to topoqethmevno
reuvma. Gia uyhlovtera pavch to ulikov prevpei na trupav-
tai prin apov thn kophv.
Se perivptwsh pou prevpei na givnoun kuklikev" kopev"
sunistavtai na crhsimopoihvsete ton eidikov diabhvth pou
promhqeuvetai me idiaivterh zhvthsh. Eivnai shmantikov na
qumavste ovti h crhvsh tou diabhvth mporeiv na apaithvsei
thn efarmoghv th" proanaferovmenh" arcikhv" diadikasi-
va" (eik. 2).
Mhn kratavte avskopa to tovxo ekkivnhsh" anammevno ston
aevra gia na mhn auxavnetai h dapavnh tou hlektrodivou,
tou dianomeva hv tou prostomivou.
Otan oloklhrwvsete thn ergasiva, sbhvste th mhcanhv.
4. PROBLHMATA KOPHS
4.1 ANEPARKHS DIEISDUSH
Oi aitive" autouv tou problhvmato" mporouvn na eivnai:
• uyhlhv tacuvthta. Bebaiwqeivte pavnta ovti to tovxo dia-
pernav entelwv" to temavcio pou prevpei na kopeiv kai na
mhn evcei potev klivsh, sthn kateuvqunsh procwvrhsh", anwv-
terh apov 10-15°. Qa apofeucqouvn evtsi lanqasmevne" dapav-
ne" tou mpek kai kayivmata sto prostovmio.
• Uperbolikov pavco" tou temaciouv (blevpe diagravmmata
tacuvthta", eik. 4)
• Labivda geivwsh" ovci se kalhv hlektrikhv epafhv me to
mevtallo kophv".
• Mpek kai hlektrovdio fqarmevna.
• Reuvma kophv" poluv camhlov.
Prosochv: Otan to tovxo den diapernav ta katavloipa
leiwmevnou metavllou boulwvnoun to mpek.
4
.2 TO TOXO KOPHS SBHNEI
Oi aitive" autouv tou problhvmato" mporouvn na eivnai:
• mpek, hlektrovdio hv dianomeva" pou evcoun exantlhqeiv
• pivesh aevra uperbolikav uyhlhv
• tavsh trofodosiva" uperbolikav camhlhv
4.3 KOPH ME KLISH
An h kophv parousiavzei klivsh sbhvste th suskeuhv kai
antikatasthvste to mpek.
Otan to reuvma kophv" uperbaivnei ta 45 A, apofeuvgete
thn hlektrikhv epafhv tou mpek me to mevtallo kophv"
(evstw kai mevsw twn kataloivpwn leiwmevnou metavllou).
Autov prokaleiv mia grhvgorh, hv kai avmesh, katastrofhv
th" ophv" tou mpek pou sunepavgetai mia kophv ceivri-
sth" poiovthta".
4.4 UPERBOLIKH FQORA TWN EXARTHMATWN
Oi aitive" autouv tou problhvmato" mporouvn na eivnai:
a) pivesh tou aev
ra poluv camhlovterh ap v ekeivnhn pou
sunistavtai.
b) uperbolikav kayivmata sto telikov tmhvma tou prosto-
mivou.
5. PRAKTIKES SUMBOULES
• An o aevra" th" egkatavstash" perievcei shmantikev"
posovthte" ugrasiva" hv elaivou, kalov eivnai na crhsimo-
poihvsete evna apoxhrantikov fivltro gia na periorivzetai
h uperbolikhv oxeivdwsh kai h fqorav twn exarthmavtwn,
na mhn blavptetai h tsimpivda kai na mhn meiwvnontai h
tacuvthta kai h poiovthta th" kophv".
• Oi akaqarsive" pou perievcei o aevra" eunoouvn thn
oxeivdwsh tou hlektrodivou kai tou mpek kai mporouvn na
duskolevyoun to avnamma tou tovxou ekkivnhsh". An autov
sumbaivnei prevpei na kaqarivsete to telikov tmhvma tou
hlektrodivou kai to eswterikov tou mpek me leptov smu-
ridovcarto.
• Prin topoqethvsete to nevo hlektrovdio kai mpek elevgx-
te na eivnai kaqarav kai cwriv" livpo".
• Gia na mhn blavptetai h tsimpivda pre
vpei pavnta na
crhsimopoiouvntai auqentikav antallaktikav.
6 SUNTHRHSH
Afairevste pavnta thn trofodosiva apov th suskeuhv prin
apov kavqe epevmbash pou prevpei na ekteleivtai apov
eidikeumevno proswpikov.
eik. 4
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