Service Manuals, User Guides, Schematic Diagrams or docs for : . Car Manuals Toyota Echo 2000-2002 Approved techinfo.toyota.com ileaf 02toyrm 02toypdf 02rmsour 2002 02echorm ac acsy char
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AC-1 1
AIR CONDITIONING - AIR CONDITIONING SYSTEM
AC22G-05
CHARGING
1. INSTALL CHARGING CYLINDER
HINT:
When handling the charging cylinder, always follow the direc-
Push
Air tions given in the instruction manual.
(a) Charge the proper amount of refrigerant into the charging
cylinder.
(b) Connect the center hose to the charging cylinder.
Low Pressure CAUTION:
Service Valve
Do not open both high and low hand valves of manifold
gauge set.
(c) Open the valve of charging cylinder.
(d) Press the valve core on the side of manifold gauge and
expel the air inside of the center hose.
High Pressure
Service Valve
Charging Cylinder
N13793
2. INSPECT REFRIGERATION SYSTEM FOR LEAKS
(a) Open the high pressure hand valve and charge refriger-
ant.
(b) When the low pressure gauge indicates 98 kPa
(1 kgf/cm2, 14 psi) close the high pressure hand valve.
(c) Using a gas leak detector, check the system for leakage.
CAUTION:
Use the refrigerant recovery/ recycling machine to recover
the refrigerant whenever replacing parts.
Gas Leak
Detector
N13792
2002 ECHO (RM884U)
Author : Date : 1458
AC-12
AIR CONDITIONING - AIR CONDITIONING SYSTEM
3. CHARGE REFRIGERANT INTO REFRIGERANT SYS-
TEM
If there is no leak after refrigerant leak check, charge the proper
amount of refrigerant into refrigeration system.
CAUTION:
S Never run the engine when charging the system
through the high pressure side.
S Do not open the low pressure hand valve when the
system is being charged with liquid refrigerant.
Low Pressure
(a) Open the high pressure hand valve fully.
Service Valve (b) Charge specified amount of refrigerant, then close the
high pressure hand valve.
HINT:
A fully charged system is indicated by the sight glass being free
of any bubbles.
(c) Charge partially refrigeration system with refrigerant.
High Pressure (1) Set vehicle in these condition:
Service Valve
S Running engine at 1,500 rpm
N13790 S Blower speed control switch: "HI"
S Temperature control selector: "MAX. COOL"
S Air inlet control selector: "RECIRC"
S Fully open doors (Sliding roof: closed)
(2) Open the low pressure hand valve.
CAUTION:
Do not open the high pressure hand valve.
(d) Charge refrigerant until bubbles disappear and check the
pressure on the gauge through the sight glass.
Properly
Charged
Insufficiently
Charged
I11245
2002 ECHO (RM884U)
Author : Date : 1459
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