Gun Hp; Changing Wheels - Kärcher HD 20/15-4 Service Manual

7 6 5 4
Longitudinal section of the power press regulator
1 Gun connection
2 Connecting pin
3 Ceramic disc on gun side
4 Ceramic disc on spray pipe side
5 Casing of rotating regulator
6 Handle of rotary regulator
7 Spray pipe connection

5.7 Gun HP 16/15-4

1 Safety catch
2 Halves of the handle shell
3 Lever
4 High pressure hose
5 Safety pin
6 coupling
7 Spring
8 Valve ball
9 Piston
10 Spray pipe connection
11 O-rings/support ring
When this lever is actuated, the valve ball is pressed
against the spring toward the bottom by the piston.
The node piece is completely replaced during the re-
pair procedure.
22
English 5.906-494.0 Rev. 01 (04/11)
3 2 1

5.8 Changing Wheels


Remove the quick connect with pliers. The quick
connect cannot be reused.

Remove the wheel, watch for the spacer.

Grease the axle with silicone.

Install the quick connect with the proper installa-
tion aid and a rubber mallet.