HDS Middle Range / HDS Premium Range
Technical specifications
Service Manual 04.2008
Page 119 / 127
6 Technical specifications
Unit type
HDS 7/12-4 M
Unit No.
1.077-401
Circuit dia-
gram
0.089-021
Operating in-
structions
5.962-127
Spare parts list
5.970-808
HDS 7/12-4 MX
1.077-451
0.089-021
5.962-127
5.970-808
HDS 8/17-4 M
1.077-601
0.089-025
5.962-127
5.970-796
HDS 8/17-4 MX
1.077-651
0.089-025
5.962-127
5.970-796
HDS 9/18-4 M
1.077-801
0.089-025
5.962-127
5.970-799
HDS 9/18-4 MX
1.077-851
0.089-025
5.962-127
5.970-799
HDS 10/20-4 M
1.071-401
0.088-952
5.962-127
5.970-711
HDS 10/20-4 MX
1.071-451
0.088-952
5.962-127
5.970-711
HDS 12/18-4 S
1.071-601
0.088-952
5.962-127
5.970-802
HDS 12/18-4 SX
1.071-651
0.088-952
5.962-127
5.970-802
HDS 13/20-4 S
1.071-801
0.089-026
5.962-127
5.970-812
HDS 13/20-4 SX
1.071-851
0.089-026
5.962-127
5.970-812
The technical data sheets and the current circuit diagrams will be included in the next issue of the
spare parts CD-ROM (DISIS) and are available in kaercher-inside (https://kaercher-inside.com).
If required, the operating instructions and the spare parts lists can be ordered as a paper copy from
the spare parts service by quoting the relevant part number.
7 Special Tools
Multimeter
6.803-022
Exhaust analyser insert
2.900-001
Shut-off valve with thermometer
2.901-030
Extraction tool for impeller
6.816-069
Dismantling pliers for pressure / suction valves and fine water filter
4.901-062
Mounting mandrel and sleeve Ø 18 mm
2.901.033
Mounting mandrel and sleeve Ø 20 mm
2.901-037
Mounting mandrel for high-pressure seal and oil seal Ø 22 mm
5.901-064
Sleeve for installation of high-pressure seal Ø 22 mm
5.901-136
Assembly mandrel for O-ring / support ring, overflow piston
5.901-163
Installation tool for overflow valve seat
5.901-162
Dismantling tool for overflow valve seat
5.901-161
Extraction tool for swash plate
4.901-038
Pressure gauge for fuel pressure
4.901-060
Testing pressure gauge for operating pressure
4.742-025
Mounting screws for piston guide housing (M8 x 75)
7.304-403
Mounting screws for piston guide housing (M6 x 110)
7.304-467