Remove/install fan unit

AR20.40-P-5050MRO

Remove/install fan unit

05.08.2020

Engine

264 in model 463

1

Expansion rivet

2

Air duct segment

3

Cold air duct segment

4

Cold air ducting

5

Vent line

6

Electrical connector

9

Bracket

10

Guides

11

Lock

 Danger

Risk of fire due to ignition of R1234yf refrigerant on hot components. Risk of poisoning caused by inhaling overheated refrigerant vapors. Risk of injury to skin and eyes caused by contact with escaped R1234yf refrigerant and when working on pressurized parts. Risk of explosion due to formation of ignitable refrigerant/air mixtures

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-0007-01A

 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

 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

Topical note

Information on preventing damage to electronic components due to electrostatic discharge

AH54.00-P-0001-01A

Topical note

Notes on self-locking nuts and bolts

AH00.00-N-0001-01A

 

Remove/install

1

Remove air intake pipe upstream of air filter.

AR09.10-P-8131MRO

2

Remove expansion rivets (1) and remove air duct segment (2).

 Dismantling tool

*000589956300

3

Remove expansion rivets on the left and right on the outside of cold air duct segment (3) and remove cold air duct segment (3).

 Dismantling tool

*000589956300

4

Remove cold-air ducting (4).

 Dismantling tool

*000589956300

5

Unhook bleed line (5) from the fan unit and place to one side.


Do not crush or kink or subject lines to tension.
This would lead to damage to the lines and can impair their function.

6

Release and disconnect electrical connector (6).

7

Remove brackets (9) of the coolant line from the fan unit.

8

Remove oil cooler from fan unit and radiator frame and place to one side with connected lines.

Engine 264 in model 463 with transmission 725.0
as of model year 2020

AR27.55-P-1000XGA

9

Remove coolant line from fan unit.

10

Release locks (11) at the top left and top right, take fan unit out of the guides (10) in an upwards direction.

11

Install in the reverse order.