Remove/install fluid reservoir

AR83.30-L-6520A

Remove/install fluid reservoir

7.5.12

 

Remove/install

 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 refrigerants.

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 emptied.

AS83.00-Z-0001-01A



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

AH83.30-N-0005-01A



Notes on handling R134a refrigerant

All models with R134a refrigerant

AH83.30-N-0003-01A

1

Drain air conditioning system

AR83.30-L-1780A

2

Remove pressure switch (1)

 Installation: Replace sealing ring (3).

AR83.30-L-5620A

3

Remove valve piece (2)

4

Unscrew screw/bolt (4)



*BA83.40-N-1012-01B

5

Remove screw/bolt (5)



*BA83.40-N-1011-01B

6

Remove connectors (6, 7)

 Installation: Install new sealing rings (10).

7

Unscrew nuts (12) and take off washers (13)

8

Remove fluid reservoir (11)

 The fluid reservoir (11) must be replaced every time you open up the air conditioning.

 Refill quantity when replacing the fluid reservoir (11)

*BF83.30-N-1005-01A

9

Install in the reverse order



Checking

10

Evacuate air-conditioning system and carry out leak check

AR83.30-L-1762A

11.1

Fill air conditioning system, replenish (gaseous)

AR83.30-L-1767A

11.2

Fill air conditioning system (liquid)

AR83.30-L-1777A

 Danger!

Risk of accident caused by vehicle starting off by itself when engine is running. Risk of injury from bruises and burns if you place your hand into the engine when it is started or when it is running.

Secure vehicle to prevent it from moving by itself.
Wear closed and snug-fitting work clothes.
Do not touch hot or rotating parts.

AS00.00-Z-0005-01A

12

Start engine and check function of air conditioning system

 Run engine at idling speed for about 5 minutes and check all the component functions which are of relevance for proper operation of the air conditioning system.

13

Perform quick test on air conditioning system

AR83.30-L-1209A

Number

Designation

Model 667,
668, 670
with code H03

BA83.40-N-1011-01B

Bolt at low pressure side of fluid reservoir

Nm

8

BA83.40-N-1012-01B

Bolt at high pressure side of fluid reservoir

Nm

8

Number

Designation

Model
667, 668,
670 with code H03

BF83.30-N-1005-01A

Refill quantity of compressor oil when replacing the accumulator

cm3

10

Specifications for
Operating Fluids

Sheet

-