Service Manuals, User Guides, Schematic Diagrams or docs for : . Car Manuals Acura 3.5RL 1996-2004 Approved srm RL9604S22076A

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Main Menu Table of Contents

A/C System Service
Performance Test
The performance test will help determine if the air con-
ditioner system is operating within specifications.
RECOVERY/RECYCLING/CHARGING STATION
Use only service equipment that is U.L.-listed and is cer-
tified to meet the requirements of SAE J2210 to remove
HFC-134a (R-134a) from the air conditioner system.

CAUTION: Exposure to air conditioner refrigerant and
lubricant vapor or mist can irritate eyes, nose and
throat. Avoid breathing the air conditioner refrigerant
and lubricant vapor or mist.

If accidental system discharge occurs, ventilate work
area before resuming service.

R-134a service equipment or vehicle air conditioner sys-
tems should not be pressure tested or leak tested with
compressed air.

Some mixtures of air and R-134a have been
shown to be combustible at elevated pressures and can
result in fire or explosion causing injury or property
damage. Never use compressed air to pressure test R-
134a service equipment or vehicle air conditioner sys-
tems. LOW-PRESSURE
SIDE
Additional health and safety information may be obtained
from the refrigerant and lubricant manufacturers.

1. Connect a R-134a refrigerant recover/recycling/ HIGH-PRESSURE
charging station to the vehicle, as shown, following SIDE
the equipment manufacturer's instructions.

2. Insert a thermometer in the center air vent. Deter-
mine the relative humidity and air temperature.

3. Test conditions:
Avoid direct sunlight.
Open hood.
Open front doors.
Set the temperature control dial on MAX COOL,
the mode control switch on VENT and the recir-
culation control switch on RECIRCULATE.
Turn the A/C switch on, and the fan switch on
MAX.
Run the engine at 1,500 rpm.
No driver or passengers in vehicle

4. After running the air conditioning for 10 minutes
under the above test conditions, read the delivery
temperature from the thermometer in the dash vent
and the high and low system pressure from the A/C
gauges.
Main Menu Table of Contents

5. To complete the charts:
Mark the delivery temperature along the vertical line.
Mark the intake temperature (ambient air temperature) along the bottom line.
Draw a line straight up from the air temperature to the humidity.
Mark a point one line above and one line below the humidity level (10% above and 10% below the humidity level).
From each point, draw a horizontal line across the delivery temperature.
The delivery temperature should fall between the two lines.
Complete the low side pressure test and high side pressure test in the same way.
Any measurements outside the line may indicate the need for further inspection.

HUMIDITY
LEVEL
DELIVERY
PRESSURE

HUMIDITY
LEVEL

INTAKE
PRESSURE

DELIVERY
TEMPERATURE

INTAKE TEMPERATURE

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