Remove/install expansion valve

AR83.30-D-5520F

Remove/install expansion valve

23.05.2013

MODEL

909

with CODE HH9 (Regulated air conditioning (Tempmatic))

2

Expansion valve

3

Screw

4

Refrigerant lines (intake-side/pressure-side)

5

Nut

 Danger !

Risk of explosion caused by welding or soldering work on closed air conditioning system. Risk of poisoning caused by inhaling overheated refrigerant vapors. Risk of injury to skin and eyes caused by contact with liquid refrigerant.

Never perform welding work on or near a closed air conditioning system. No smoking or open flames. 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 drained.

AS83.00-Z-0001-01A



Procedure for a damaged or leaky air conditioning system

AH83.30-N-0004-01A



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

AH83.30-N-0005-01A



Notes on handling refrigerant R134a

AH83.30-N-0003-01A

 

Remove/install

1

Remove fluid reservoir

AR83.30-D-6520F

 Installation: Replace receiver/drier.

2

Unscrew nut (5) and refrigerant lines (4)

 Seal refrigerant lines (4) using suitable stop plugs.

 Installation: Use new sealing rings.

 Nut, refrigerant line connection to expansion valve

*BA83.30-N-1007-02A

 Record plug

*129589009100

3

Remove screws/bolts (3) and remove expansion valve (2)

 Installation: Use new sealing rings.

 Screw/bolt for refrigerant line connection on expansion valve

*BA83.30-N-1006-02A

4

Install in the reverse order

 Refrigerant lines

Number

Designation

MODEL 909
with CODE HH9 (Regulated air conditioning (Tempmatic))

BA83.30-N-1007-02A

Nut, refrigerant line connection to expansion valve

Nm

10 (2)

 Refrigerant lines

Number

Designation

MODEL 909
with CODE HH9 (Regulated air conditioning (Tempmatic))

BA83.30-N-1006-02A

Screw/bolt for refrigerant line connection on expansion valve

Nm

5 (0,5)