Remove/install electric circulation pump

AR83.20-D-0002TE

Remove/install electric circulation pump

22.11.2019

Model

910 with engine 780.703

2

Coolant hose

3

Mounting clip

1

Electrical circulation pump

2

Coolant hose

4

Mounting bar

5

Screw

6

Bracket

7

Connection fitting

8

Electrical connector

9

Connection fitting

 Caution

Risk of injury caused by scraping or cutting body parts on sharp vehicle parts

Always wear protective gloves when working on or near sharp and non-deburred vehicle parts.
Deburr repair panels.

AS00.00-Z-0017-01A

 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 to skin and eyes suffering scalding from contact with hot coolantspray. Risk of poisoning from swallowing coolant.

Do not open cooling system unless coolant temperature is below 90 °C. Open cap slowly and release the pressure. Do not pour coolant into beverage containers.
Wear protective gloves, protective clothing and safety glasses.

AS20.00-Z-0001-01A

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

 

Remove/install

1

Drain coolant of auxiliary circuit.

AR08.50-D-0022TE

2

Remove coolant hose (2) from refrigerant condenser.

AR08.50-P-0018-01EQ

 Collect escaping coolant. Seal connections.

 Commercially available devices/tools
Collecting pan

 Set of protective covers

*001589019100

3

Remove retaining clip (3) of coolant hose (2) from tubular frame.

 Installation: Check retaining clip (3).

If any is found,



replace retaining clip (3).

4

Remove mounting bracket (4).

 Remove screw/bolt (5) to do this.

 Installation: Ensure that mounting bar (4) is seated correctly on bracket (6).

5

Remove connection fitting (7) from electric circulation pump (1).

AR08.50-P-0018-01EQ

 Collect escaping coolant. Seal connections.

 Commercially available devices/tools
Collecting pan

 Set of protective covers

*001589019100

6

Remove electric circulation pump (1) from holder (6) and pull slightly to the rear.

7

Disconnect electrical connector (8).

8

Remove electric circulation pump (1).

AR08.50-P-0018-01EQ

 To do so, remove connection fitting (9) of coolant hose (2) from electric circulation pump (1). Collect escaping coolant. Seal connections.

 Commercially available devices/tools
Collecting pan

 Set of protective covers

*001589019100

9

Install in the reverse order.