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P
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b
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m
s
C
a
Vibration sound
1. Vibration of shelves and foods in
Clack
.
h t
e
e r
r f
g i
e
a r
o t
2. Pipes interference and capillary
tube touching in the compressor.
compartment.
3. Compressor stopper vibration.
4. Moving wheel vibration.
. 5
O
h t
e
s r
r t
c u
u t
e r
v
b i
a r
o i t
. n
1. It is caused by heat expansion
Irregular sound
Click .
and contraction of evaporator,
shelves, and pipes in the
refrigerator.
s u
s e
1-1. Remove and replace the
. r
s
h
e
v l
s e
1-2. Check light food and container
on the shelves.
2-1. Touch pipes in the compressor
compartment with hands.
2-2. Check capillary tube touches
a
n
d
a p
s t r
c
v o
r e
b
- 3
. 1
C
h
e
k c
o c
v
b i
a r
o i t
. n
4-1. Check vibration of front and rear
moving wheels.
5-1. Touch other structures and parts.
1-1 Check time and place of sound
sources.
C
h
c e
s k
1) Reassemble the vibrating parts
n i
h t
e
e r
r f
g i
r e
t a
r o
a
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d
i
vibration is severe.
2) Leave a clearance where parts
interfere with each other.
3) Reduce vibration with bushing
and restrainer if it is severe.
c a
. k
(
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p
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) 4
R
e
p
a l
i v
t b
t a
1) Explain the principles of refrigeration
and that the temperature di erence
between operation and defrosting
can make sounds.
2) If evaporator pipe contacts with other
structures, leave a clearance between
them (freezer shroud or inner case).
M
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R
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