HVAC SYSTEM (HEATER, VENTILATOR AND A/C) > Pressure Switch (Triple Pressure Switch)
INSPECTION
1. Connect the manifold gauge to the service valve on the high-pressure side.
2. Disconnect the connector.
3. Start the air conditioner, and check the operating pressure of switch by turning the compressor assembly (magnet clutch) to ON/OFF. Operation of each switch is as follows.
(1) | High pressure switch | (6) | 1,770±100 kPa (18.05±1.02 kg/cm2, 256.65±14.5 psi) | (11) | OFF |
(2) | Middle pressure switch | (7) | 1,470±120 kPa (14.99±1.22 kg/cm2, 213.15±17.4 psi) | (12) | Operative range of compressor ASSY |
(3) | Low pressure switch | (8) | 225±30 kPa (2.29±0.31 kg/cm2, 32.6±4.3 psi) | (13) | Inoperative range of compressor ASSY |
(4) | 2,350±200 kPa (24.00±2.04 kg/cm2, 340.7±29.0 psi) | (9) | 196±25 kPa (2.00±0.25 kg/cm2, 28.4±3.6 psi) | (14) | Low pressure |
(5) | 2,940±200 kPa (29.98±2.04 kg/cm2, 426.3±29.0 psi) | (10) | ON | (15) | High pressure |
NOTE:
• High pressure switch turns the compressor assembly (magnet clutch) to OFF when the refrigerant pressure becomes extremely high to prevent the evaporator, air conditioner piping and expansion valve from getting damaged or frozen, etc.
• The middle pressure switch is used to effectively control the radiator fan output by judging high load/low load in normal pressure range.
• The low pressure switch detects a refrigerant shortage and deactivates the compressor assembly (magnet clutch) if the refrigerant pressure is abnormally low. (Because any further compressor assembly operation in such a state may lead to compressor seizure)
Adjustment
EXTERIOR BODY PANELS > Rear GateADJUSTMENTAdjust the clearance around the panel - rear gate as follows.PartStandardAPanel - rear gate to Roof panel6.0+1.0, −0.5 mm (0.24+0.04, −0.02 in)BSurface level gap: Panel - rear gate to Roof panel1.0±1.0 mm (0.04±0.04 in)CPanel - rear gate to ...
Installation
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Help line
The help line (distance marker and vehicle
width line) is a guide to help you realize
the actual distance from the screen image.
1) Vehicle width line (oblique vertical line)
2) Approx. 10 feet (3 m) from the bumper
(green horizontal line)
3) Approx. 3 feet (1 m) from the bumper
(yellow hor ...