Refrigerant compressor, remove/install

AR83.55-D-5310TE

Refrigerant compressor, remove/install

22.11.2019

Model

910 with engine 780.703

2

High-voltage lines

3

Bracket

4

High-voltage connector

5

High-voltage connector

6

High-voltage connector

7

Electrical connector

8

Electrical connector

9

Electrical line

10

Screw

11

High-voltage lines

12

High-voltage connector

13

High-voltage connector

14

High-voltage connector

15

Bracket

16

High-voltage power distributor

17

High-voltage connector

1

Refrigerant compressor

21

Refrigerant line

18

High-voltage connector

22

Electrical connector

19

Refrigerant line

23

High-voltage connector

20

Refrigerant line

24

Bolts

 Danger

Risk of death when working on component parts and systems with U >= 30 V alternating voltage (AC) or U >= 60 V direct voltage (DC)

Do not touch damaged or defective live component parts and lines or non-insulated electrical connections and lines.

AS00.00-Z-0035-01A

 Warning

Risk of poisoning caused by inhaling overheated refrigerant vapors from an air conditioning system containing R134a. Risk of injury to skin and eyes caused by contact with liquid R134a refrigerant and when working on pressurized parts

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 rooms. Carry out repair work on the air conditioning system circuit only after the system has been evacuated.

AS83.00-Z-0006-01A

Topical note

General information on handling vehicles with high-voltage on-board electrical system and/or lithium-ion battery and/or gaseous-fuel drive system

AH00.00-Z-0300-01A

Topical note

Notes on avoiding damage through contamination and foreign objects

AH00.00-P-5000-01A

Topical note

Information on preventing damage to electronic components due to electrostatic discharge

AH54.00-P-0001-01A

Topical note

Notes on battery

AH54.10-P-0001-01A

Topical note

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

AH83.30-N-0005-01A

Notes on handling refrigerant R134a

AH83.30-N-0003-01A

 

Remove/install

1

De-energize high-voltage on-board electrical system.

AR47.70-D-1000TE

2

Detach ground line of on-board electrical system battery.

AR54.10-D-0029TS

3

Detach high-voltage lines (2) from holder (3).

 Installation: Check retaining clips for damage.

 Clip remover

*452589016300

If any is found,



Replace damaged retaining clips.

4

Release and disconnect the high-voltage plug(4).

5

Disconnect high-voltage plug (5).

AR47.70-S-0005-01F

 Safety screw, locking element to DC current charge-connection unit high-voltage plug

*BA47.70-N-1005-07TE

6

Release and disconnect high-voltage plug (6).

 WIS Service Media
wsm://04_201800_30

7

Disconnect electrical connectors (7, 8).

8

Detach electrical line (9) from DC current charge-connection unit and place to one side.

Check ground lines for high-voltage on-board electrical system potential equalization

AR47.70-D-1020-01TE

 Installation: Check electrical line (9).

 Screw, potential equalization ground line/protective ground conductor to DC current charge-connection unit

*BA47.70-N-1009-02TE

9

Cover high-voltage connections with suitable protective covers.

 Set of protective covers

*001589019100

10

Remove the bracket (3).

 Screw, strain-relief clamp bracket to DC current charge-connection unit

*BA47.70-N-1003-07TE

11

Remove the bolt (10).

 Bolt, refrigerant line to bracket

*BA83.30-N-1003-01TS

12

Detach high-voltage lines (11) from holder (15).

 Installation: Check retaining clips for damage.

 Clip remover

*452589016300

If any is found,



Replace damaged retaining clips.

13

Release and disconnect high-voltage plug (12).

 WIS Service Media
wsm://04_201800_30

14

Release and disconnect high-voltage plug (13).

 WIS Service Media
wsm://04_201800_30

15

Release and disconnect high-voltage plug (14).

 WIS Service Media
wsm://04_201800_30

16

Detach holder (15) from high-voltage power distributor (16).

 To do this, unscrew screw/bolts.

 Bolt, holder to high-voltage power distributor/holder

*BA47.70-N-1006-03TE

17

Detach high-voltage plug (17) from high-voltage power distributor (16).

AR47.70-S-0005-01F

 Safety screw, locking element to high-voltage power distributor high-voltage plug

*BA47.70-N-1001-03TE

18

Release and disconnect high-voltage plug (18) from AC charger.

19

Cover high-voltage connections with suitable protective covers.

 Set of protective covers

*001589019100

20

Remove refrigerant line (19).

AR83.30-D-7840TE

21

Detach refrigerant line (20) from refrigerant compressor (1) and from refrigerant line (21) and place outside working area.

AR83.30-D-7842TE

 The refrigerant line (20) remains attached to the expansion valve of the heat exchanger.

22

Disconnect electrical connector (22).

23

Release and disconnect high-voltage plug (23).

24

Cover high-voltage plug (23) with suitable protective cover.

 Set of protective covers

*001589019100

25

Remove screws (24).

 Screw, electric refrigerant compressor to axle drive module

*BA83.55-N-1001-02TE

26

Remove refrigerant compressor (1).


Remove and insert the refrigerant compressor (1) carefully.
Otherwise, the refrigerant compressor (1) or adjacent components could be damaged.

27

Install in the reverse order.

 High-voltage power distributor

Number

Designation

Engine 780.703 in model 910

BA47.70-N-1001-03TE

Safety screw, locking element to high-voltage power distributor high-voltage plug

Nm

4

 Direct current charge connection unit

Number

Designation

Engine 780.703 in model 910

BA47.70-N-1003-07TE

Screw, strain-relief clamp bracket to DC current charge-connection unit

Nm

8

 Direct current charge connection unit

Number

Designation

Engine 780.703 in model 910

BA47.70-N-1005-07TE

Safety screw, locking element to DC current charge-connection unit high-voltage plug

Nm

4

 High-voltage power distributor

Number

Designation

Engine 780.703 in model 910

BA47.70-N-1006-03TE

Bolt, holder to high-voltage power distributor/holder

Nm

8

 High-voltage on-board electrical system potential equalization ground lines

Number

Designation

Engine 780.703 in model 910

BA47.70-N-1009-02TE

Screw, potential equalization ground line/protective ground conductor to DC current charge-connection unit

Nm

7

 Air conditioning

Number

Designation

Model 910 with engine 780.703

BA83.30-N-1003-01TS

Bolt, refrigerant line to bracket

Nm

6

 Refrigerant compressor, electric

Number

Designation

Model 910 with engine 780.703

BA83.55-N-1001-02TE

Screw, electric refrigerant compressor to axle drive module

Nm

20