Removal Of The Crankshaft Pump; Pump Diagram - Kärcher HD 20/15-4 Service Manual

5.4 Removal of the crankshaft pump

5.4.1 Pump diagram

1 Valve screw, suction side, with O-ring
2 Suction valve
3 Disc
4 Piston
5 Guide sleeve
6 Piston screw
7 Oil seal ring
8 Push bar
9 Pump casing
10 Bolt, push bar
11 Oil drain screw
12 Piston rod top
13 Crankshaft
14 Piston rod bottom
15 Piston rod screw
16 Oil bath
17 Crankshaft housing cover, with O-ring
18 Crankshaft bearing (1 x left, 1 x right)
19 Oil fill container
20 Distance-/labyrinth discs
21 Crown nut
22 Disc
23 Low pressure seal
24 Support ring, low pressure seal
25 Brass support disc
26 Disc
27 High pressure seal
28 Support ring, high pressure seal
29 Valve screw, pressure side, with O-ring
30 Pressure valve, with O-ring
31 Cylinder head
English 5.906-494.0 Rev. 01 (04/11)
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