Disassemble/assemble high-voltage distributor

AR54.10-P-1401MEX

Disassemble/assemble high-voltage distributor

02.12.2019

Model

451.390/392/490/492 with engine 780.993

1

Bolts

2

Mounting wedge

3

Electrical plug contacts

N116/5

PDU high-voltage distributor control unit

N129/1

Power electronics control 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

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

Topical note

Notes on battery

AH54.10-P-0001-01A

 

Remove/install

1

Remove power electronics with power distributor

AR08.10-P-0011MEX

2

Remove bolts (1)

 Screw/bolt, adapter plate to line electronics control unit

*BA54.10-P-1010-01H

3

Separate PDU high-voltage distributor control unit (N116/5) from power electronics control unit (N129/1) using assembly wedges (2)


Pry the PDU high-voltage distributor control unit (N116/5) evenly off the power electronics control unit (N129/1).
The electrical plug contacts (3) can otherwise be bent.

 Installation: Make sure that the sealing surface is clean and the seal is undamaged.

 Mounting wedge

*110589035900

4

Install in the reverse order

 Battery

Number

Designation

Model 451.390/392/490/492
except code 908 (On-board charger 22kW)

Model 451.390/392/490/492
with code 908 (On-board charger 22kW)

BA54.10-P-1010-01H

Screw/bolt, adapter plate to line electronics control unit

Nm

6

6