MANUALS · HEATER, AIR CONDITIONER AND VENTILATION [55] · страница 84 из 118 · Открыть оригинал PDF ↗
Текст распознан со скана. Числа и обозначения можно сверить с оригиналом ниже.
Service Adjustment
PERFORMANCE TEST
<Vehicles using R-12 refrigerant >
(1) The vehicle to be tested should be ina place that is not
in direct sunlight.
(2) Connect a tachometer.
(3)Turnbackthehandleofthe special tools (MB991403,
MB991404) (valveclosed)andinstallthe specialtools
(MB991403,MB991404)tothe highpressureandlow
pressure service valves
(4) Connectthegaugemanifoldtothespecialtools
(MB991403, MB991404).
(5) Tightenthehandleofthespecialtools(MB991403,
MB991404) (valve open)_
6)Start the engine_
Set the A/C controls as follows:
Airconditioning switch:Air conditionerON position
Mode selection:Face position
Temperature control:Max.cooling position
Air selection:Recirculation position
Blower switch:HI (Fast) position
(8) Adjust engine speed to1,000 rlminwith air conditioner
clutch engaged
(9) Engineshouldbewarmedupwithdoors,windows
closed and bonnet opened:
(10) <Vehicles with single air conditioner>
Inserta thermometerinthe leftcenterairconditioner
outlet and operate the engine for 20 minutes_
<Vehicles with dual air conditioner>
Inserta thermometer at the air conditioning outlet at the
left center of theinstrument panel and theoneat the
ceilingfront left side, andthenlet enginerunfor20
minutes.
(11) Note the discharge air temperature_
NOTE
If theclutch cycles, takethereading beforetheclutch
disengages
Performance Temperature Chart SINGLEAIR CONDITIONER
Таблица в оригинале
Распознанный текст таблицы — требует сверки с оригиналом
| Garage ambient temperature "C (PF) | 21 (70) | 26.7 (80) | 32.2 (90) | 37.8 (100) | 43.3 (110) |
|---|---|---|---|---|---|
| Discharge air temperature 'C (PF) | 3.0-6.0 (37.4-42.8) | 3.,0-7.0 (37.4-44.6) | 3.5-7.5 (38.3-45.5) | 4.0-8.0 (39.2-46.4) | 4.5-8.5 (40.1-47.3) |
| Compressor discharge kPa (kgicm? , psi) pressure | 980_1,230 (9.8-12.3, 139.4-174.9) | 1,050-1,300 (10.5-13.0, 149.3-184.9) | 1,130-1,380 (11,3-13.8, 160.7-196.3) | 1,270-1,580 (12.7-15.8, 180.6-224.7) | 1,330-1,740 (13.3-17.4, 189.2-247.5) |
| Compressor suction kPa (kglcm?, psi) pressure | 120-220 (1,.2-2.2 17.1-31.3) | 120-230 (1.2-23, 17.1-32.7) | 130-240 (13-2.4, 18.5-34.1) | 150-270 (1.5-2.7, 21,3-38.4} | 170-280 (1.7-2.8, 24.2-39.8) |
Оригинальная страница руководства
