Tuttnauer 1730EK, Technical Manual

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69
Corrections
1.1
If circulation is
not
fr
ee
, re
move
th
e
bl
oc
k.
1.2 Repl
ace
the
faulty valve.
2.1
Rep
lace re
lief v
alve an
d ch
ec
k th
e wate
r
quality. 2.2
Repl
ace rel
ief valve
3.1
Repl
ace rel
ief valve
4.1
Repl
ace rel
ief valve
5.1
Rep
lace re
lief v
alve an
d ch
ec
k th
e awte
r
quality. 6.1
Re
pl
ac
e pi
n a
nd sl
ee
ve
.
7.1
Ti
ghte
n or
re
pl
ac
e rubbe
r le
gs
.
Possible ca
use check-u
p and tests
1.1
Check the path of safety valve ensuring circulation is free.
1.2 Safety
relief
valve
is faulty
2.1
Safety relief
valve is clogged.
2.2
Safety relief
valve is faulty.
3.1
Safety relief
valve is faulty.
4.1
Safety relief
valve is faulty.
5.1
Safety relief
valve is faulty.
6.1
Wear
of
co
mpo
nents.
7.1
Pump’s
r
ubber
le
gs
are loos or damaged.
11.4
Me
chan
ic
al
ma
lfun
ctio
n
Symp
to
m
1. The
safety
valve does not
re
lease pr
essur
e when
blow
-off test
is
pe
rf
orme
d.
2. Safet
y
relief
valve opens at
pressure lower than speci
fied.
3. Safet
y
relief
valve opens at
pre
ss
ur
e hi
gher
(
m
or
e tha
n
10%) than specified.
4. Safet
y
relie
f valve does not
close in time (2-3 secon
ds).
5.
Safet
y relief val
ve leaks
co
nst
antl
y.
6.
Locking pin is loose in the br
onze sleeve.
7.
Vi
br
ati
on duri
ng oper
ati
on
of pump.