ar4770s102001f

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

種別 ar · トピック 47.70 · バージョン 0104 · 2020-02-29

適用: Engine 780.701 in model 447

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位置付け

機能グループ 1 エンジン › 47 フューエルシステム、ドライブトレインパワーサプライ › 47.70 ドライブトレインパワーサプライ — シリーズ 447

EinPAS 16 エンジン燃料/パワーサプライ › 16.20 高電圧車両電源回路 › 16.20.12 センサ/スイッチ/ケーブルハーネス — シリーズ 447

エンジン/トランスミッションにも適用: 780 701

AR47.70-S-1020-01F

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

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

Topical note

General information on vehicles with high-voltage on-board electrical system and/or lithium-ion battery and/or gaseous-fuel drive system as well as personal protective equipment

AH00.00-Z-0300-01A

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

Engine

780.701 in model 447

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

Number

Designation

Engine 780.701 in model 447

BA47.70-N-1001-02F

Screw, potential equalization ground line to electric motor

Nm

16

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

Number

Designation

Engine 780.701 in model 447

BA47.70-N-1002-02F

Nut, potential equalization ground line to high-voltage battery module

Nm

16

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

Number

Designation

Engine 780.701 in model 447

BA47.70-N-1003-02F

Screw, potential equalization ground line to high-voltage battery

Nm

16

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

Number

Designation

Engine 780.701 in model 447

BA47.70-N-1004-02F

Nut, potential equalization ground line to underbody

Nm

16

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

Number

Designation

Engine 780.701 in model 447

BA47.70-N-1005-02F

Screw, potential equalization ground line to DC/DC converter

Nm

16

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

Number

Designation

Engine 780.701 in model 447

BA47.70-N-1006-02F

Bolt, ground line for potential equalization to AC charger

Nm

7

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

Number

Designation

Engine 780.701 in model 447

BA47.70-N-1007-02F

Nut, potential equalization ground line to bracket for charger, DC/DC converter, heater

Nm

16

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

Number

Designation

Engine 780.701 in model 447

BA47.70-N-1008-02F

Nut, potential equalization ground line to bracket of coolant circuit heater for high-voltage battery

Nm

7

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

Number

Designation

Engine 780.701 in model 447

BA47.70-N-1009-02F

Nut, potential equalization ground line to coolant circuit heater for high-voltage battery

Nm

7

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

Number

Designation

Engine 780.701 in model 447

BA47.70-N-1010-02F

Nut, potential equalization ground line to vehicle interior heater

Nm

7

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

Number

Designation

Engine 780.701 in model 447

BA47.70-N-1011-02F

Screw, potential equalization ground line to high-voltage power distributor in engine compartment

Nm

16

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

Number

Designation

Engine 780.701 in model 447

BA47.70-N-1012-02F

Screw, potential equalization ground line to high-voltage power distributor on underbody

Nm

16

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

Number

Designation

Engine 780.701 in model 447

BA47.70-N-1013-02F

Nut, potential equalization ground line to body

Nm

16

When performing work on the high voltage components, the ground lines for the potential equalization must be checked.

Check potential equalization for high-voltage batteries (2.1, 2.2, 2.3)

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

S54.18-A000-78

Shown: Overview of high voltage components on high-voltage battery module (1)

1

High-voltage battery module

3.1

Potential equalization ground line

5

Potential equalization ground line

2.1

High-voltage battery

3.2

Potential equalization ground line

6

High-voltage power distributor

2.2

High-voltage battery

3.3

Potential equalization ground line

7

Potential equalization ground line

2.3

High-voltage battery

4

Heater unit

8

Potential equalization ground line

1

Check potential equalization ground lines (3.1, 3.2, 3.3) for high-voltage batteries (2.1, 2.2, 2.3) for damage.

If damage is present,

Replace potential equalization ground line (3.1, 3.2, 3.3)     .

2


Check whether potential equalization ground lines (3.1, 3.2, 3.3) are seated tightly.

If the potential equalization ground line (3.1, 3.2, 3.3) is loose:

Tighten potential equalization ground line (3.1, 3.2, 3.3)     .

Check potential equalization for heater (4) of high-voltage batteries (2.1, 2.2, 2.3)

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

3

Check potential equalization ground line (5) for heater (4) for damage.


If damage is present,

Replace potential equalization ground line (5)     .



4

Check that potential equalization ground line (5) is seated tightly.


If the potential equalization ground line (5) is loose:

Tighten potential equalization ground line (5)     .


S54.18-A014-74

Check potential equalization for high-voltage power distributor (6) at underbody

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

5

Check potential equalization ground line (7) for high-voltage power distributor (6) for damage.


If damage is present,

Replace potential equalization ground line (7)     .



6

Check that potential equalization ground line (7) is seated tightly.


If the potential equalization ground line (7) is loose:

Tighten potential equalization ground line (7)     .


S54.18-A013-81

Check potential equalization for high-voltage battery module (1)

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

7

Check potential equalization ground line (8) for high-voltage battery module (1) for damage.


If damage is present,

Replace potential equalization ground line (8)     .



8

Check that potential equalization ground line (8) is seated tightly.


If the potential equalization ground line (8) is loose:

Tighten potential equalization ground line (8)     .


S54.18-A003-75

Check potential equalization for charger (11)

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

9

Check potential equalization ground line (15) for charger (11) for damage.


If damage is present,

Replace potential equalization ground line (15)     .



10

Check that potential equalization ground line (15) is seated tightly.


If the potential equalization ground line (15) is loose:

Tighten potential equalization ground line (15)     .


Shown: Overview of high voltage components in engine compartment

9

Frame

10

Heater unit

11

Charger

12

High-voltage power distributor

13

DC/DC converter

14

Electric motor

15

Potential equalization ground line

16

Potential equalization ground line

17

Potential equalization ground line

18

Potential equalization ground line

19

Potential equalization ground line

S54.18-A004-82

Check potential equalization for heater (10) of vehicle interior

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

11

Check potential equalization ground line (16) for heater (10) for damage.


If damage is present,

Replace potential equalization ground line (16)     .



12

Check that potential equalization ground line (16) is seated tightly.


If the potential equalization ground line (16) is loose:

Tighten potential equalization ground line (16)     .


S54.18-A005-81

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

S54.18-A009-78

Check potential equalization for DC/DC converter (13) for 12 V on-board electrical system battery

13

Check potential equalization ground line (20) for DC/DC converter (13) for damage.

If damage is present,

Replace potential equalization ground line (20)     .

14

Check that potential equalization ground line (20) is seated tightly.

If the potential equalization ground line (20) is loose:

Tighten potential equalization ground line (20)     .

Check potential equalization for high-voltage power distributor (12) in engine compartment

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

15

Check potential equalization ground line (17) for high-voltage power distributor (12) for damage.


If damage is present,

Replace potential equalization ground line (17)     .



16

Check that potential equalization ground line (17) is seated tightly.


If the potential equalization ground line (17) is loose:

Tighten potential equalization ground line (17)     .


S54.18-A006-81

Check potential equalization for electric motor (14)

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

17

Check potential equalization ground line (18) for electric motor (14) for damage.


If damage is present,

Replace potential equalization ground line (18)     .



18

Check that potential equalization ground line (18) is seated tightly.


If the potential equalization ground line (18) is loose:

Tighten potential equalization ground line (18)     .


S54.18-A007-81

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

19

Check potential equalization ground line (19) for electric motor (14) for damage.


If damage is present,

Replace potential equalization ground line (19)     .



20

Check that potential equalization ground line (19) is seated tightly.


If the potential equalization ground line (19) is loose:

Tighten potential equalization ground line (19)     .


S54.18-A008-75

参照文書