Isuzu KB P190. Manual - part 31
1-90 HEATER AND AIR CONDITIONING
f06r300014
CHECKING REFRIGERANT SYSTEM
WITH MANIFOLD GAUGE
Conditions;
•
Ambient temperature at approx. 30
∼35°C (86∼95°F)
•
Run the engine at Idling
•
A/C switch is “ON”
•
Run the blower motor at “4” (high) position
•
Temperature control knob sets at “MAX COLD”
•
Air source selector lever at “CIRC”
•
Close the all doors
Normal pressures kPa (kg/cm
2
/psi);
Low-pressure side:
Approx. 127 – 245 (1.3 – 2.5 / 18 – 36)
High-pressure side:
Approx. 1373 – 1670 (14 – 17 / 199 – 242)
Connect the manifold gauge
Low-pressure hose (LOW)
∼ Suction side
High-pressure hose (HI)
∼ Discharge side