5-38
MAINTENANCE
Check list for refrigerant volume
Air conditioner
Normal
Abnormal
High/low
pressure pipe
temperature
High pressure
pipe is hot (80 to
120°C or 176 to
248°F), low
pressure pipe is
cold (8 to 15°C
or 46 to 59°F).
Clear difference
in temperature
between the
pipes.
High pressure
pipe is warm, low
pressure pipe is
slightly cool. No
significant
difference in
temperature
between the
pipes.
Little difference in
temperature
between the
high-pressure
pipe and the low-
pressure pipe.
High pressure
pipe is hot, low
pressure pipe is
slightly cool. A
significant
difference in
temperature
between the
pipes.
Pipe connection
Normal
Some places are
dirty with oil.
Some places are
extremely dirty
with oil.
Normal
Sight glass
Almost
transparent with
some bubbles.
Fully transparent
when the engine
speed is
increased or
decreased.
Flow of bubbles
can be seen
constantly.
Sometimes
transparent or
white with
bubbles.
Mist-like flow is
faintly visible.
No bubbles are
visible, even
when the fan is
set to High and
the engine is
idling.
Refrigerant level
Proper level
Refrigerant may
be leaking.
Refrigerant has
leaked; little is
left.
Refrigerant level
too high
EVERY 250 HOURS
AG7G064
AG7G067
AG7G066
AG7G065
If the air conditioner is not working
If the air conditioner does not work well, set the fan switch to OFF and contact your sales or
service dealer for inspection and/or repairs.
IMPORTANT: Continued use of the air conditioner when it is not working properly will
damage its various parts.
IMPORTANT: Using the air conditioner when there is no refrigerant will damage the
compressor.
IMPORTANT: Always consult your sales or service dealer for replacing the refrigerant.
Be sure to use R134a refrigerant (800 g or 1.76 lb).
Summary of Contents for TL230
Page 1: ......
Page 10: ...0 8...
Page 11: ...1 1 SAFETY...
Page 47: ...1 37 SAFETY SAFETY SIGNS DECALS...
Page 48: ...1 38 SAFETY SAFETY SIGNS DECALS...
Page 49: ...1 39 SAFETY SAFETY SIGNS DECALS...
Page 50: ...1 40 SAFETY SAFETY SIGNS DECALS...
Page 51: ...2 1 CONTROLS...
Page 89: ...3 1 OPERATION...
Page 95: ...3 7 MEMO...
Page 116: ...3 28...
Page 117: ...4 1 TRANSPORT...
Page 121: ...5 1 MAINTENANCE...
Page 174: ...5 54...
Page 175: ...6 1 TROUBLESHOOTING...
Page 190: ...6 16...
Page 191: ...7 1 SPECIFICATIONS...
Page 193: ...7 3 MEMO...
Page 194: ...7 4 SPECIFICATIONS MACHINE DIMENSIONS MACHINE DIMENSIONS...
Page 196: ...7 6 SPECIFICATIONS OPERATING RANGES OPERATING RANGES...
Page 198: ...7 8...
Page 199: ...8 1 OPTIONS...