LG GR-K18PBS Service Manual - Page 37

8-3.

Caution

during

major

repair

Itaem

Caution

1.

Using

tools

e

the

parts

and

tools

for

R134a.

2

Removing

re<idual

1.)

When

removing_the

residual

refrigerOCAMays

turn

the

refrigeNtiNaiff

and

then

wank

for

refrigerant

more

than

5intiontes.

(If

you

work

befcmvaitirrg

-

5

-

mirrates,

ttadaternal

oil

can

I

out.)

2)

When

removing

the

fefrigerant,

first

cut

that

high

pressure

side

(drier

part)

with

a

nipper

and

smotxtjaut

the

2.

low

pressunEside

to

remove

the

residual

(You

must

do

it

in

this

order.

If

this

older

is

reversed

a

great

amount

of

oil

can

teak

out.)

Evaporator

Evaporator

ter

Low

pressure

side

High

pressure

3

-way

€4

/

side

Valve

Condenser

of

Line

Pipe

3.

Exchanging

drier

During

piping

repair

and

inserting

the

refrigerant,

always

use

the

drier

for

R134a.

ce

ding

ni

tuytit

i

1)

To

pi

event

the

oxidi7ation

scale

from

forming

within

the

pipe,

weld

it

white-cobCtitotiuy

•

substitute

rogen

with

a

constant

pressure

within

the

piping.

(nitrogen

pressure:

0.1

-0

.2kg/cm')

1-)

Interx

cleaningand

sealing=ixithin=the=qclezpipe

should

be

done

withnitrogen

R134a-refrigerant.

2)

When

checking

for

leakage,

use

-the

electric

leakage

detector.

3)

When

cutting

the

pipe

r

-alvgays--use

the

pipe

cutter.

•

•

4)

Be

let

careful

not

to

moisture

penetrate

.

-37-

LG GR-K18PBS Service Manual - Page 37

Caution, during, major, repair

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