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OPTIONS
If the air conditioner does not function
If the air conditioner does not cool or heat the air, set the fan switch to OFF and contact a
service outlet for inspection and/or repairs.
IMPORTANT: Continued use of the air conditioner when it is not functioning properly
may damage its various parts.
IMPORTANT: Using the air conditioner when there is no refrigerant will damage the
compressor. Be particularly careful not to do this.
IMPORTANT: Always have a service outlet add or replace the refrigerant. Be sure to use
R134a refrigerant (1700g or 3.75 lb).
Air Conditioner
Sight glass (refrigerant)
High / low pressure pipe
temperature
Pipe connection
Normal
Almost transparent, with
some bubbles, but fully
transparent when the engine
speed is increased or
decreased.
High pressure pipe (1) hot
(80 to 120°C (176 to 248°F)),
low pressure pipe (2) cold
(8 to 15°C (46 to 59°F)).
Clear difference in
temperature between the
pipes.
No irregularities.
Refrigerant
low
Flow of bubbles can be seen
constantly. Refrigerant is
sometimes transparent or
has white bubbles.
Refrigerant may be leaking.
High pressure pipe warm,
low pressure pipe somewhat
cool. No great difference in
temperature between the
pipes.
Some oily
places.
Almost no
refrigerant
Some mist-like refrigerant
can be barely seen flowing.
Refrigerant has leaked, and
almost none is left.
Almost no difference in
temperature between the high
and low pressure pipes.
Some heavily
oily places.
Excess
refrigerant
No bubbles can be seen,
even when the fan is set
to high and the engine is
idling.
High pressure pipe is
hot, low pressure pipe is
somewhat cool.
There is a difference in
temperature between the
pipes.
No irregularities.
Condition of the refrigerant
Содержание TB175W
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Страница 169: ...167 SPECIFICATIONS Main Speci cations 168 Machine Dimensions 170 Operating Range 172 Lifting Capacities 177...
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