Remove/install refrigerant compressor

AR83.55-W-5300A

Remove/install refrigerant compressor

12.10.10

 

Remove/install

 Danger!

Risk of injury caused by body parts being pinched or crushed as cab is tilted

Ensure that no one is within the tilting range of the cab as it is being tilted. Always tilt the cab all the way to the end position and secure with the safety strut.

AS60.80-Z-0001-01A

1

Tilt cab into repair position



Notes on tilting the cab

AH60.80-N-0003-01A

 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

2

Discharge air conditioning system

AR83.30-W-1760A



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

AH83.30-N-0005-01A



Notes on handling R134a refrigerant

AH83.30-N-0003-01A

3

Remove both V-belts

AR13.22-W-1202C

4

Detach low-pressure refrigerant hose (3) on low-pressure refrigerant pipe (6)



*BA83.30-N-1005-02B

5

Detach high-pressure refrigerant hose (2) on high-pressure refrigerant pipe (5)



*BA83.30-N-1004-02B

6

Separate electrical connector of magnetic clutch (4)

7

Remove screws/bolts (7) and remove refrigerant compressor (1)



*BA83.55-N-1001-01C

8

Detach high-pressure refrigerant pipe (5) and low-pressure refrigerant pipe (6) from refrigerant compressor (1)

 Only when replacing refrigerant compressor (1).

 Installation: Replace sealing rings.



*BA83.55-N-1003-01C

9

Correct oil level in refrigerant compressor (1)

 Only when replacing refrigerant compressor (1).

AR83.55-W-5250A

10

Install in the reverse order

11

Evacuate air conditioning system, refill and check for leaks

AR83.30-W-1760A

12

Check function of air conditioning

Number

Designation

Model 957 with code H03

BA83.30-N-1004-02B

Union nut, high-pressure refrigerant line from refrigerant compressor

WAF 27

Nm

35

BA83.30-N-1005-02B

Union nut, low-pressure refrigerant line to refrigerant compressor

WAF 32

Nm

45

Number

Designation

Model
374.5, 375.1, 375.3, 949, 950.5, 950.6, 952.5, 952.6, 953.6, 954.5, 957, 958.0, 958.2, 970, 972, 974, 975, 976

BA83.55-N-1001-01C

Bolt, refrigerant compressor/bracket

Nm

25

BA83.55-N-1003-01C

Bolt, refrigerant line to refrigerant compressor

Nm

20