Sinclair ASC-18A, Service Manual

Page: 164 / 264

DC INVERTER U-MATCH AIR CONDITION MAINTENANCE
147
3. Remove the suction and
discharge pipe
● Use gas welding to heat
the suction and discharge
pipes. Then, pull them out
from the compressor.
● Weld by charging nitrogen
for protection, with the
nitrogen pressure kept at
0.5±0.1kgf/c ㎡ (relative
pressure).
● During heating, take care
to prevent the substances
around from burn due to
high temperature.
4.Take down the compressor
from the bottom pan
● Remove the compressor
from chassis.
5.Fix the new compressor on
to the bottom pan
● Put the new compressor to
correct position.
● Unsrew the fixing bolt of
compressor with thepanner
● Do not put the compressor
upside down during
installation.
6.Connect the compressor
with system pipes
● Use gas welding to heat
the suction and discharge
pipes. Then, pull them out
from the compressor.
● Weld by charging nitrogen
for protection, with the
nitrogen pressure kept at
0.5±0.1kgf/c ㎡ (relative
pressure).
● During heating, take care
to prevent the substances
around from burn due to
high temperature.
Remove the
suction and
discharge pipes
of compressor
Remove the
suction and
discharge pipes
of compressor