Suzuki Canvas SQ416, Руководство по обслуживанию

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J2
ESCUDO
LH steering vehicle shown
[A]
[B]
[A]: Condenser integrated with receiver / dryer model
[B]: Independent condenser and receiver / dryer model
1. Sight glass
2. Bubbles 3. Receiver / Dryer
AIR CONDITIONING (OPTIONAL) 1B-21
REFRIGERATING SYSTEM
CHARGE OF REFRIGERANT
The following procedure can be used for quickly checking whether
A / C system with proper charge of refrigerant or not.
1) Run engine at idle speed.
2) Operate A / C system at the following conditions for a few min-
utes.
Blower motor switch at maximum position.
Air outlet control button at face position.
Temperature control lever at maximum cool position.
Air inlet door at recirculation prosition.
Vehicle door at all open.
3) Look at sight glass and compare what is observed with the
symptoms listed in “CHECKING REFRIGERANT CHARGE”
table given below.
CHECKING REFRIGERANT CHARGE
Item
No.
Symptom Charge of refrigerant Correction
1
Bubbles observed in sight glass Insufficient charge of refrigerant
in system Check system for leaks with a
leak tester.
2
No bubbles observed in sight
glass No or insufficient charge of refrig-
erant in system Refer to the items 3 and 4.
3
No temperature difference be-
tween compressor inlet and out-
let Empty or nearly empty system Evacuate and charge system
and then check it for leaks with a
leak tester.
4
Noticeable temperature differ-
ence between compressor inlet
and outlet Proper or too much charge of re-
frigerant in system Refer to the items 5 and 6.
5
When A/C is turned OFF, refrig-
erant in sight glass clears im-
mediately and remains clear Too much charge of refrigerant in
system Discharge excess charge of re-
frigerant to adjust it to a specified
charge.
6
When A/C is turned OFF, refrig-
erant in sight glass once pro-
duces bubbles and then clears Proper charge of refrigerant in
system NO CORRECTION NEEDED
BECAUSE CHARGE OF RE-
FRIGERANT IS NORMAL.