Remove/install expansion valve

AR83.30-S-5520P

12.02.2019

Model

470, 471

Modification notes

31.01.2019

Methods for vehicle with engine 642, reworked.

S83.30-4693-08

Shown on model 470 with engine 699

1	Refrigerant line		3	Expansion valve		5	Screw
2	Refrigerant line		4	Bracket

Topical note	Protect air conditioning circuit and components from moisture when carrying out repair work		AH83.30-N-0005-01A
 	Remove/install
1	Remove refrigerant line (1).	Model 470, 471 with engine 642	AR83.30-S-7834PS
		Model 470 with engine 200	AR83.30-S-7834PB
		Model 470, 471 with engine 699	AR83.30-S-7834PD
2	Remove refrigerant line (2) from expansion valve (3).	Model 470, 471 with engine 642	AR83.30-S-7833PS
		Model 470 with engine 200	AR83.30-S-7833PB
		Model 470, 471 with engine 699	AR83.30-S-7833PD
3	Unclip refrigerant line (2) from holder (4).	Model 470, 471 with engine 699
		 Long wedge	*115589035900
4	Remove bolts (5).	 Screw, expansion valve to evaporator connecting point	*BA83.30-N-1008-01P
5	Screw a screw M6x35 several turns into threaded hole at expansion valve (3).	 Screw M6x35 serves as a pull-off aid for removal of the expansion valve (3).
6	Remove expansion valve (3) by pulling on screw M6x35.
	Compressor oils (specification 362.1)		BB00.40-P-0362-01A
		 Installation: Replace O-rings on refrigerant lines of evaporator using  assembly tool and moisten with compressor oil.
		 Assembly tool	*000589936300
7	Seal connections on expansion valve (3) and refrigerant lines of evaporator immediately with suitable stop plugs.	 Record plug	*129589009100
8	Remove screw M6x35 from expansion valve (3).	When replacing the expansion valve (3).
9	Install in the reverse order

 Air conditioning

Number	Designation		Model 470, 471 with engine 642	Model 470 with engine 200.7
BA83.30-N-1008-01P	Screw, expansion valve to evaporator connecting point	Nm	2,5	2,5

 Air conditioning

Number	Designation		Model 470, 471 with engine 699
BA83.30-N-1008-01P	Screw, expansion valve to evaporator connecting point	Nm	2,5

115 589 03 59 00

Long wedge

000 589 93 63 00

Assembly tool

129 589 00 91 00

Record plug