12 Servicing
12.9 Replacing seals
12.9 Replacing seals
12.9.1
Replacing seals (DL3/DL4/DS3/DS4)
Notice
The maintenance kit contains only the parts marked with * and is only supplied complete.
Personnel qualification:
o
Fitter
Personal protective equipment:
o
Work clothing
o
Protective gloves
o
Safety boots
Aids:
o
Solvent
o
Silicone grease
Requirement:
ü
Pump station removed
14*
2*
33*
5*
19*
27*
27*
10*
10*
2*
14*
11*
1
3
4
5*
6
7
8*
9
12 13
12
13
17
16
15
11*
28
1
6
8*
7
3
4
18
20*
21
22
23
24
20*
25
26
26
25
29*
32
31
30
9
34
35
Dismantling the housing and control block
1.
Remove the socket screws
35
, hexagon nuts
6
, washer
7
and O-ring
8*
and remove the pump
station from the oil pan
34
.
2.
Remove the socket screws
1
and copper seals
2
* and remove the housing
9
from the control
block
15
.
3.
Remove the flat gasket
11
*.
Strainer: Remove the O-ring 5*
1.
Remove the cap nuts
3
, strainer cover
4
and O-ring
5
* from the housing.
2.
Lightly grease the new O-ring and insert it.
3.
Mount the strainer cover with cap nuts with torque.
Overflow valve: Replace the seal ring 29*
1.
Remove the screw plug
28
from the control block.
2.
Replace the seal ring
29*
.
3.
Tighten the screw plug with torque.
Operating instructions
OID 06en-GB Edition 2019-11
39
