- Remove pump piston (see 7.4).
The high-pressure cups and oil
seals are removed and installed in
the same way as on the high-
pressure cleaners of series
RE 102 K, 104 K and 106 K, with
the following additional steps:
•
The oil seals (1) in the pump
housing are mounted on support
rings (2).
•
The oil seals can be prised
out by applying an implement in
the recesses (3) in the pump
housing.
RE 160 K
•
The high-pressure cups (1) in
the valve block are likewise
mounted on a support ring (2).
RE 140 K
RE 160 K
Installation position of the oil seals
and high-pressure cups:
1 High-pressure cup
2 Support ring
3 Valve block
4 Oil seal
5 Support ring
6 Pump housing
7 Guide bushing
All models
Note: Use assembly device
4726 890 2200 (assembly arbor
and sleeve) to fit the high-pressure
cups and oil seals.
Proceed as follows:
•
Coat inner surface of assembly
sleeve 4726 890 2200 with
special grease.
•
Fill the grooves of the high-
pressure cups and oil seals with
special grease 0781 145 3516.
•
Coat the new high-pressure
cup (1) with special grease
0781 145 3516 and press onto
assembly arbor 4726 890 2200
together with support ring (2).
7.6 Replacing the high-pressure
cups and oil seals
621RA043 BL
1
2
3
7
4
1
5
621RA045 BL
3 3
6
6
21RA078 BL
21RA044 BL
1
2
21RA080 BL
1
2
5
33
621RA092 KN
1
2
4
5
6
16 RE 140 K, 160 K