Remove/install coolant feed tube to exhaust gas recirculation cooler

AR20.20-W-7452HA

Remove/install coolant feed tube to exhaust gas recirculation cooler

10.1.13

ENGINE

470.9 in MODEL 963, 964

1

Exhaust gas recirculation cooler

5

Retarder coolant pipe

B606

Exhaust coolant temperature sensor

2

Coolant feed pipe on the side

9

Screw/bolt

*

Only for vehicles with code B3H (Secondary water retarder)

3

Upper section of clamp*

10

Screw/bolt

4

Retarder coolant pipe

11

Connection piece

2

Coolant feed pipe on the side

8

Clamp

14

Clamp

6

Coolant feed line at the front

12

Screw/bolt

7

Coolant hose

13

Coolant hose

 

Remove/install

 Danger !

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



Notes on avoiding damage through contamination and foreign objects

AH00.00-N-5000-01H



Notes on coolant

AH20.00-N-2080-01A

 Danger !

Risk of injury caused by body parts being pinched or crushed as cab is tilted

Ensure that no one is within the tilting range of the cab as it is being tilted. Always tilt the cab all the way to the end position and secure with the safety strut.

AS60.80-Z-0001-01A

1

Tilt cab



Notes on tilting the cab

AH60.80-N-0003-01A

 Installation: Only tilt back cab after the leak test.

2

Drain coolant at engine radiator

AR20.00-W-1142H

3

Remove soundproofing

4

Loosen clamp (8) on coolant hose (7)

Remove coolant feed pipe on the side (2)

5

Disconnect electrical connection on exhaust coolant temperature sensor (B606)

6

Remove upper section of clamp (3) on the retarder coolant lines (4, 5)

Only on vehicles with code B3H (Secondary Water Retarder)

 Bolt, clamp for retarder coolant pipe to bracket

*BA43.30-N-1016-01F

7

Push retarder coolant pipe (4) away from engine until the screw/bolt (9) is accessible

Only on vehicles with code B3H (Secondary Water Retarder)

8

Remove screw/bolts (9, 10)

 Bolt, coolant pipe to carrier for exhaust gas recirculation cooler

*BA14.20-N-1024-01I

 Bolt, coolant pipe to distributor housing

*BA14.20-N-1025-01I

 Torque tool set

*003589050900

9

Pull coolant feed pipe on the side (2) out of the coolant hose (7)

 Installation: Check coolant hose (7) and clamp (8); replace if necessary.

10

Pull coolant feed pipe on the side(2) out of the exhaust gas recirculation cooler (1)

 Installation: Replace connection piece (11) and coat with lubricant.
Insert screw/bolt (9) into bracket for the coolant feed pipe on the side (2).

Lubricant, rubber assembly 1 l

*BR00.45-Z-1010-06A

Remove coolant feed pipe at the front (6)

11

Loosen clamp (14) on coolant hose (13)

12

Remove screw/bolts (12)

 Screw/bolt, coolant pipe to cylinder head bracket

*BA14.20-N-1026-01I

13

Pull coolant feed pipe at the front (6) out of the coolant hose (13)

 Installation: Check coolant hose (13) and clamp (14); replace if necessary.

14

Install in the reverse order

 Danger !

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

15

Start engine and perform an engine test run

 Allow engine to run at a higher rotational speed.

16

Stop engine and check for leaktightness in the area of the coolant feed pipe on the side (2) and coolant feed pipe at the front (6)

 Visual inspection.

 Retarder

Number

Designation

MODEL 963, 964
with CODE B3H (Water-type secondary retarder)

BA43.30-N-1016-01F

Bolt, clamp for retarder coolant pipe to bracket

Nm

25

 Exhaust gas recirculation

Number

Designation

ENGINE 470.9

BA14.20-N-1026-01I

Screw/bolt, coolant pipe to cylinder head bracket

Nm

30

 Exhaust gas recirculation

Number

Designation

ENGINE 470.9

BA14.20-N-1025-01I

Bolt, coolant pipe to distributor housing

Nm

30

 Exhaust gas recirculation

Number

Designation

ENGINE 470.9

BA14.20-N-1024-01I

Bolt, coolant pipe to carrier for exhaust gas recirculation cooler

Nm

30

Repair materials

Number

Designation

Order number

BR00.45-Z-1010-06A

Lubricant, rubber assembly 1 l

A 000 989 03 67