PERFORMANCE TEST
The vehicles to be tested should be parked out of direct sunlight.
Scheme 96
Scheme 97
- Close the high and low-pressure valve of the gauge manifold.
- Connect the charging hose (blue) to the low-pressure valve and connect the charging hose (red) to the high-pressure valve of the gauge manifold.
- Install the quick joint (for low-pressure) to the charging hose (blue), and connect the quick joint (for high-pressure) to the charging hose (red). CAUTION: To connect the quick joint, press section A firmly against the service valve until a click is heard. When connecting, run your hand along the hose while pressing to ensure that there are no bends in the hose.
- Connect the quick joint (for low-pressure) to the low-pressure service valve and connect the quick joint (for high-pressure) to the high-pressure service valve. NOTE: The high-pressure service valve is on the A/C pipe and the low-pressure service valve is on the suction hose.
- Start the engine.
- Set the A/C controls as follows: A/C switch: A/C - ON position Mode selection: FACE position Temperature control: MAXIMUM COOLING position Air selection: RECIRCULATION position Blower switch: Maximum air volume
- Set the engine speed to the idle speed.
- Engine should be warmed up with hood, doors and windows opened.
- Insert a thermometer in the center air outlet and operate the engine for 20 minutes. NOTE: If the A/C clutch cycles, take the reading before the clutch disengages.
- Note the discharge air temperature.