Gehl CTL65 - Page 192

OPTIONS
190
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 Gehl
dealer 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 Gehl dealer add or replace the refrigerant. Be sure to use
R134a refrigerant [800 g or (1.76 lbs)].
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.
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.
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.
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
Air Conditioner < CTL55 >
Refrigerant
low
Almost no
refrigerant
Excess
refrigerant