文档介绍：55–1
HEATER & AIR CONDITIONER – AIR CONDITIONING SYSTEM
AIR CONDITIONING SYSTEM
550IN–01
PRECAUTION
1. DO NOT HANDLE REFRIGERANT IN AN ENCLOSED
AREA OR NEAR AN OPEN FLAME
2. ALWAYS WEAR EYE PROTECTION
AC2810
3. BE CAREFUL NOT TO GET LIQUID REFRIGERANT IN
YOUR EYES OR ON YOUR SKIN
If liquid refrigerant gets in your eyes or on your skin.
(a) Wash the area with lots of cool water.
CAUTION:
Do not rub your eyes or skin.
(b) Apply clean petroleum jelly to the skin.
(c) Go immediately to a physician or hospital for professional
AC2811 treatment.
4. NEVER HEAT CONTAINER OR EXPOSE IT TO NAKED
FLAME
5. BE CAREFUL NOT TO DROP CONTAINER AND NOT
TO APPLY PHYSICAL SHOCKS TO IT
6. DO NOT PRESSOR WITHOUT
Wrong Okay
ENOUGH REFRIGERANT IN REFRIGERANT SYSTEM
If there is not enough refrigerant in the refrigerant system oil lu-
LO HI LO HI brication will be insufficient pressor burnout may occur,
so take care to avoid this, necessary care should be taken.
7. DO NOT OPEN HIGH PRESSURE MANIFOLD VALVE
PRESSOR IS OPERATING
If the high pressure valves opened, refrigerant flows in the re-
N11084 verse direction and could cause the charging cylinder to rup-
ture, so open and close the only low pressure valve.
8. BE CAREFUL NOT TO OVERCHARGE SYSTEM WITH
REFRIGERANT
If refrigerant is overcharged, it causes problems such as insuffi-
cient cooling, poor fuel economy, engine overheating etc.
2004 COROLLA (RM1037U)
AuthorĂ: DateĂ: 1571
55–2
HEATER & AIR CONDITIONER – AIR CONDITIONING SYSTEM
550IO–01
ON–VEHICLE INSPECTION
1. INSPECT PRESSURE SWITCH .
1
(a) ic clutch control:
Inspect pressure switch operation.
2 3 (1) Set on the manifold gauge set.
(2) Connect the positive (+) lead from the ohmmeter to
terminal 4 and the negative (–) lead to terminal 1.
4 (3) Check continuity between terminals when refriger-
Low pressure side High pressure side ant pressure is changed, as shown in the illustra-
ON