HDS Middle Range / HDS Premium Range
Unit Function
Service Manual 04.2008
Page 57 / 127
2.26 Pressure and flow control valve function
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11
2
3
4
5
6
7
8
9
10
12
13
15
16
1 Threaded stud, max. pressure
adjustment
2 Lock nut, threaded stud
3 Spindle, half-load
4 Stop sleeve, half-load
5 Spring
6 Overflow piston
7 High-pressure valve (3x)
8 Pump piston (3x)
9 Suction valve (3x)
10 Cleaning agent supply with non-return
valve
11 Suction bridge with water connection
12 Sleeve with throttle bore
13 Pressure switch, „OFF“
14 Valve seat
15 Non-return valve
16 Pressure switch, „ON“
17 Lock nut, stop sleeve, half-load
14
17