Remove/install expansion valve

AR83.30-P-5520LWB

Remove/install expansion valve

02.07.2019

Model

213

with code 1U6 (R744 refrigerant)

2

Nuts

3

Bracket

4

Electrical connector

5

Refrigerant line

6

Refrigerant line

Y148

CO2 expansion valve

 Danger

Risk of injury when working on air conditioning systems due to R744 refrigerant escaping under pressure. Risk of suffocation from inhaling R744 refrigerant in high concentrations. Health hazard caused by inhalation of R744 refrigerant

Wear safety glasses and protective gloves. Work only in well ventilated areas. Carry out repair work on the air conditioning system circuit only after the system has been evacuated.

AS83.00-Z-0008-01A

Topical note

Notes on avoiding damage through contamination and foreign objects

AH00.00-P-5000-01A

Topical note

Protect air conditioning circuit and components from moisture when carrying out repair work

AH83.30-N-0005-01A

Notes on handling refrigerant R744

AH83.30-P-0003-03A

 

Remove/install

1

Drain air conditioning system

AR83.30-P-1760LW

2

Remove windshield wiper system

AR82.30-P-6400LW

3

Disconnect electrical connection (4)

4

Unscrew nuts (2)

 Nut, buffer to bracket for expansion valve CO2

*BA83.30-P-1014-01R

5

Remove the refrigerant lines (5) and (6) from the CO2 expansion valve (Y148)

 Installation: Install new sealing rings.

 Refrigerant line CO2 to expansion valve CO2

*BA83.30-P-1011-01R

6

Seal the openings of the refrigerant lines (5) and (6) using a suitable plug

 Record plug

*129589009100

7

Convert the bracket (3) on the CO2 expansion valve (Y148)

When replacing the CO2 expansion valve (Y148).

 Bolt, bracket to expansion valveCO2

*BA83.30-P-1013-01R

8

Install in the reverse order

 Air conditioning

Number

Designation

Model 213
with code 1U6 (R744 refrigerant)

BA83.30-P-1011-01R

Refrigerant line CO2 to expansion valve CO2

Nm

12

 Air conditioning

Number

Designation

Model 213
with code 1U6 (R744 refrigerant)

BA83.30-P-1013-01R

Bolt, bracket to expansion valveCO2

Nm

8

 Air conditioning

Number

Designation

Model 213
with code 1U6 (R744 refrigerant)

BA83.30-P-1014-01R

Nut, buffer to bracket for expansion valve CO2

Nm

8