Remove/install coolant circulation pump

AR83.70-W-5700B

Remove/install coolant circulation pump

6.5.96



Remove/Install

1

Disconnect ground lead from battery

Do not interrupt main battery current in heater mode or in the run-on phase.

Danger!

Risk of injury caused by body parts being jammed and crushed when tilting cab

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

AS60.80-Z-0001-01A

2

Tilt cab

3

Remove heater

AR83.70-W-5302B

4

Remove auxiliary heater control unit

AR83.70-W-5937A

5

Remove tie straps (1) and (2)

6

Remove cover (3) from cable retainer (4)



*BA83.70-N-1006-03A

7

Fold-up cable retainer

8

Unclip flat plug (5) of chambers No. 6 and No. 7 from connector housing (6)



*655589066300

9

Route electrical line (7) to coolant circulation pump (8)

10

Open hose clamp (9)

Installation:

Ensure that the coolant circulation pump is properly seated in the heat exchanger housing and on the bearing bracket.



11

Pull out coolant circulation pump with sealing ring (11) from heat exchanger housing (10)

 Do not tilt coolant circulation pump when pulling it out.

 Clean deposits from housing sealing surface of sealing ring, do not damage housing in the process.

12

Install in the reverse order

Danger!

Risk of explosion caused by fuel vapors igniting, risk of poisoning caused by inhaling combustible gases and risk of injury caused by burns during and after operation of heater unit

Do not operate stationary heater, auxiliary heater or engine with heater booster in closed areas or when refueling. Allow heater unit to cool down after operation and wear protective gloves.

AS83.70-Z-0002-01A

13

Check function of stationary heater

AR83.70-W-5302-02B

Number

Designation

Models
950, 952, 953, 954
with body 942.899
with (CODE H64) "Eberspächer D9W" heater

BA83.70-N-1006-03A

Bolt for cover on burner housing

Nm

3.5