Sealing coolant pump

AR20.10-S-2250A

Sealing coolant pump

8.2.95



Removing, installing

1

Remove the coolant pump

Engine 111.948/978 in model 638.

AR20.10-S-1271A

Engine 111.979 in model 901, 902, 903, 904.

AR20.10-D-1271C

2

Present puller (5) in the hoist (4) and tighten it



 Tighten the puller hooks (5) with a 40 mm inner  nozzle or a suitable tubular strap

*000589943300

3

Remove the hoist (4)

If necessary, if the hoise resists, knock the puller (5) slightly with a hammer

4

With the aid of pliers remove the counter-ring (3)

5

Push the cassette type seal (2) out

 With the aid of a screwdriver and around the whole edge, withdraw the cassette type seal (2) from the coolant pump (1)
 Do not damage the coolant pump (1), use a clean cloth as support.

6

Install the cassette type seal (4)

 Pay attention to the distance dimension figure between the hoise (4) and the coolant pump (1)

AR20.10-S-2250-01A

*BE20.10-N-1001-01A

7

Installation in reverse order

8

Check the leaktightness of the cooling system

Engine 111.948/978 in model 638.

AR20.00-S-1010A

Engine 111.979 in model 901, 902, 903, 904.

AR20.10-D-1271C

Code

Name

Engine 111.948/ 978

Engine
111.979

BE20.10-N-1001-01A

Distance dimension figure

"a"

mm

0.2–0.8

0.2–0.8