ar8370p5942so

Replace coolant hoses for auxiliary heater (water heater)

Typ ar · temat 83.70 · wersja 0202 · 2012-02-28

Dotyczy: MODEL 450.3## /4## (except , 450.418) 1# as of 11.2.02 with ENGINE 160.910 /920 with CODE (11Z) Stationary heater with CODE (LHD) Left-hand drive vehicle

Niedostępne w języku „pl”; wyświetlono w języku Angielski.

Umiejscowienie

Grupa funkcyjna 3 Nadwozie › 83 Klimatyzacja › 83.70 Ogrzewanie w czasie postoju, dodatkowe, nagrzewnica dodatkowa — Seria 450 (modele 3**, 400, 401, 402, 403, 414, 432, 433, 441, 442, 443, 452)

EinPAS 39 Ogrzewanie/ wentylacja/ chłodzenie › 39.25 Ogrzewanie postojowe/ ogrzewanie dodatkowe › 39.25.13 Przewód sztywny/elastyczny/zawór — Seria 450 (modele 3**, 400, 401, 402, 403, 414, 432, 433, 441, 442, 443, 452)

Dotyczy też silników/skrzyń biegów: 160 910, 160 920

AR83.70-P-5942SO

Replace coolant hoses for auxiliary heater (water heater)

14.2.12

MODEL 450.3## /4## (except , 450.418) 1# as of 11.2.02 with ENGINE 160.910 /920
with CODE (11Z) Stationary heater
with CODE (LHD) Left-hand drive vehicle

Replace coolant hoses for auxiliary heater (water heater)

P83.70-4785-04

1 Bolts for diagonal strut

2 Coolant hose

4 Coolant hose

Replace coolant hoses for auxiliary heater (water heater)

P83.70-4983-04

2 Coolant hose

3 Rear heater coolant hose

4 Coolant hose

5 Heater feed line coolant hose

6 Scuff protection

Modification notes

13.3.06

Warranty case checklist

Step 21.1

13.3.06

Work procedure optimized

Operation step 4 through 16

Danger!

Risk of injury to skin and eyes caused by handling hot or glowing objects.

Wear safety gloves, protective clothing and safety glasses, if necessary.

AS00.00-Z-0002-01A

Danger!

Risk of injury to skin and eyes caused by scalding from contact with hot coolant spray. Risk of poisoning caused by 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

Removing

1

Drain coolant

AR20.00-P-1142SM

2

Remove underfloor paneling

AR61.30-P-1001SM

3.1

Remove bolts on diagonal strut (1)

Only model 450.4.

*BA61.25-P-1002-01B

4

Remove attachments at coolant hose (2, 4)

5

Release hose clamp for coolant hose (2) at heater inlet and disconnect

Place a suitable receptacle underneath.

6

Release hose clamp for coolant hose (2) at rear heater coolant hose (3) and disconnect

Place a suitable receptacle underneath.

7

Undo and detach hose clamp for coolant hose (4) on heater outlet

Place a suitable receptacle underneath.

8

Remove cable tie and take off chafe protection (6)

9

Release hose clamp for coolant hose (4) at heater feed line coolant hose (5) and disconnect

Place a suitable receptacle underneath.

Install

10

Cut new coolant hose (2), heater inlet at rear heater coolant hose (3), to length

Picture A.

600 mm (without arc).

11

Cut new coolant hose (4), heater outlet at heater feed line coolant hose (5), to length

Picture A.

620 mm plus 180° arc.

12

Guide insulating pipe, heat protection and hose clamps over new coolant hoses

Picture A.

Fasten in position using cable ties.

13

Insert coolant hose (2) between heater inlet and rear heater coolant hose (3), screw hose clamps tight

14

Insert coolant hose (4) between heater outlet and heater feed line coolant hose (5), screw hose clamps tight

15

Fasten chafe protection (6) with cable tie

16

Fix coolant hose (2, 4) in place

Use cable ties.

The coolant hoses must be routed and fixed in place in such a way to prevent damage and vibration noises.

17

Pour in coolant

AR20.00-P-1142SM

18.1

Screw in bolts for diagonal strut (1)

Model 450.4.1 only

*BA61.25-P-1002-01B

19

Install underbody paneling

AR61.30-P-1001SM

20

Perform function test

AR83.70-P-2028SM

21.1

Print out and fill out form

Warranty case for stationary heater checklist, form

* For Germany only

OF83.70-P-3000-03A

Diagonal strut to underbody

Number

Designation

Model 450.4

BA61.25-P-1002-01B

Bolt, diagonal strut to underbody

Nm

70

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