Remove/install heat exchanger

AR18.30-D-6841TSC

Remove/install heat exchanger

06.05.2020

Engine

274 in model 907

Modification notes

05.05.2020

Screw, heat exchanger to connecting flange

BA18.30-P-1004-01L

1

Coolant line

2

Bracket

3

Bolts

4

Heat exchanger

 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 caused by vehicle slipping or toppling off of the lifting platform.

Align vehicle between vehicle lift columns and position the four support plates at the vehicle lift support points specified by the vehicle manufacturer.

AS00.00-Z-0010-01A

 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

 Caution

Risk of injury to skin and eyes due to handling of engine oil. Risk of poisoning caused by swallowing engine oil

Wear protective gloves, protective clothing and safety glasses.
Do not fill engine oil into beverage containers.

AS18.00-Z-0001-01A

Topical note

Notes on avoiding damage through contamination and foreign objects

AH00.00-P-5000-01A



Remove

1

Drain off coolant.

AR20.00-D-1142TSC

2

Unclip coolant line (1) from the bracket (2).

3

Remove screws (3) and remove heat exchanger (4).



Install

4

Install new seal on heat exchanger (4).

5

Position heat exchanger (4) and tighten screws (3) with initial torque.

 Screw, heat exchanger to connecting flange

*BA18.30-P-1004-01L

6

Tighten screws (3) with final tightening torque.

 Screw, heat exchanger to connecting flange

*BA18.30-P-1004-01L

7

Clip coolant line (1) into bracket (2).

8

Fill in coolant.

AR20.00-D-1142TSC



Check

9

Check and correct engine oil level.



Engine 274.9 in model 907
with code C6L (Multifunction steering wheel)

AP18.00-D-1812TSE



Engine 274.9 in model 907
except code C6L (Multifunction steering wheel)

AP18.00-D-1812TSF

 Warning

Risk of burn injuries, suffocation and poisoning when working on the exhaust system and the components connected to it. Risk of suffocation and risk of poisoning caused by inhalation of gaseous and solid components of the exhaust. Risk of poisoning caused by skin contact with solid components of the exhaust.

Wear protective clothing and safety glasses. Use the extraction system. Move people out of the hazard area.

AS49.00-Z-0001-01A

 Warning

Risk of accident from vehicle starting off by itself when engine running. Risk of injury (bruises and burns) resulting from working on the engine while it is being started or when it is running.

Secure vehicle to prevent it from starting off by itself. Wear closed and snug-fitting work clothes. Do not touch hot or rotating parts.

AS00.00-Z-0005-01A

10

Perform engine test run. While doing so, check engine for proper operation and leak tightness.

 Oil cooling

Number

Designation

Engine 274.9

BA18.30-P-1004-01L

Screw, heat exchanger to connecting flange

M6

Nm

8