Remove/install DC charger for high-voltage battery

AR47.70-P-1512EQ

Remove/install DC charger for high-voltage battery

03.12.2019

Model

293

1

Emergency release cable

3

Nuts

2

Retaining plate

N116/5

DC current charge connection unit

4

Electrical connector

5

High-voltage plug

6

High-voltage plug

7

Screw

8

High-voltage plug

9

Equipotential bonding line

10

Equipotential bonding line

11

Nut

N116/5

DC current charge connection unit

 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 injury caused by fingers being jammed or pinched when removing, installing or aligning hoods, doors, trunk lid/rear-end door or sliding roof.

No parts of the body or limbs should be within the operating area when the components are moving.

AS00.00-Z-0011-01A

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

Information on preventing damage to electronic components due to electrostatic discharge

AH54.00-P-0001-01A

Notes on safety-relevant components

AH00.00-Z-0019-01A

Notes on HANDS-FREE ACCESS

AH80.61-P-0001-01A

 

Remove/install

1

Remove voltage of high-voltage on-board electrical system.

AR47.70-P-1000EQ

 Installation: Do not commission the high-voltage on-board electrical system until after the insulation resistance measurement has been performed.

2

Remove the fuse and relay module in the rear and place it to one side with the lines connected.

AR54.15-P-0001EQ

3

Release and disconnect electrical connectors at trailer recognition control unit.

Model 293
with code 550 (Trailer coupling)

AR31.19-P-1300EQ

 It is not necessary to remove the trailer recognition control unit.

4

Unclip the emergency release cable (1) from the retaining plate (2).

 Dismantling tool

*000589956300

5

Remove the nuts (3) and remove the retaining plate (2).

 Nut, retaining plate for DC charger to body

*BA47.70-P-1007-01A

6

Disconnect electrical connector (4).

7

Disconnect the high-voltage plug (5, 6) from the DC current charge-connection unit (N116/5) and seal the connections with protective covers.

AR47.70-P-0005-01EQ


Ensure utmost care and cleanliness.
Otherwise, damage to the high voltage components may occur.

 Set of protective covers

*001589019100

 Set of protective caps

*001589009100

8

Disconnect the high-voltage plug (8) from the DC current charge-connection unit (N116/5) and seal the connections with protective covers.

AR47.70-P-0005-01EQ


Ensure utmost care and cleanliness.
Otherwise, damage to the high voltage components may occur.

 Loosen the screw (7) only to the point at which the high-voltage plug (8) can be pulled off.

  Screw, high-voltage plug to DC charger

*BA47.70-P-1012-01A

 Set of protective covers

*001589019100

9

Unscrew the screw for the equipotential bonding line (9) from the DC current charge-connection unit (N116/5) and remove the equipotential bonding line (9).

 Screw, equipotential bonding line to DC charger

*BA47.70-P-1008-01A

10

Unscrew the screw for the equipotential bonding line (10) from the DC current charge-connection unit (N116/5) and remove the equipotential bonding line (10).

 Screw, equipotential bonding line between AC charger and DC charger

*BA47.70-P-1011-01A

11

Remove the nuts (11) and remove the DC current charge-connection unit (N116/5).

 Nut, DC charger to retaining plate

*BA47.70-P-1006-01A

12

Install in the reverse order.

13

Measure the insulation resistance.

AR47.70-P-1030-02EQ

AR47.70-P-1030-03A

 Perform the insulation resistance measurement before commissioning the high-voltage on-board electrical system.

 Screw, equipotential bonding line to DC charger

*BA47.70-P-1008-01A

 Screw, equipotential bonding line to AC charger

*BA47.70-P-1009-01A

 Nut, equipotential bonding line for AC charger to body

*BA47.70-P-1010-01A

 Screw, equipotential bonding line between AC charger and DC charger

*BA47.70-P-1011-01A

14

Commission the DC current charge-connection unit (N116/5).

When the DC current charge-connection unit (N116/5) is replaced.



AD00.00-P-2000-06FR

 High-voltage battery

Number

Designation

Model 293

BA47.70-P-1006-01A

Nut, DC charger to retaining plate

Nm

19

 High-voltage battery

Number

Designation

Model 293

BA47.70-P-1007-01A

Nut, retaining plate for DC charger to body

Nm

23

 High-voltage battery

Number

Designation

Model 293

BA47.70-P-1008-01A

Screw, equipotential bonding line to DC charger

Nm

10

 High-voltage battery

Number

Designation

Model 293

BA47.70-P-1009-01A

Screw, equipotential bonding line to AC charger

Nm

9

 High-voltage battery

Number

Designation

Model 293

BA47.70-P-1010-01A

Nut, equipotential bonding line for AC charger to body

Nm

16

 High-voltage battery

Number

Designation

Model 293

BA47.70-P-1011-01A

Screw, equipotential bonding line between AC charger and DC charger

Nm

9

 High-voltage battery

Number

Designation

Model 293

BA47.70-P-1012-01A

 Screw, high-voltage plug to DC charger

Nm

4