30
Spare parts
Fig. 15: Exploded view DUO 20 M/MC
2
Rotor
3
Hydraulic pump
4
Pump cylinder
5
Support plate
6
Bearing cover
7
Vanes, rough stage
8
Vanes, medium stage
9
Hydraulic vane
10
Compression spring, vanes
18
Magnetic coupling,
drive side
20
Magnetic coupling,
pump side
22
Washer
24
Can
27
Intermediate flange for
motor
30
Housing, vacuum safety
valve
32
Valve plate, vacuum safety
valve
34
Valve cover, vacuum safety
valve
35
Strainer
42
Gas ballast valve housing (further
parts see Section. 7.3.)
44
Silencer nozzle
51
Plate spring
76
Rapid action coupling
96
Exhaust valve, (stage 1)
101 Punched disk
102 Valve plate
104 Valve trap
106 Hydraulic piston
108 Compression spring
110 Sight glass
112 Sight glass seal
114 Rubber foot
116 Flange
138 O-ring
141 O-ring
144 O-ring
147 O-ring
148 O-ring
149 O-ring
152 O-ring
154 O-ring
155 O-ring
156 O-ring
158 O-ring
162 O-ring
180 Allan head screw
183 Allan head screw
184 Allan head screw
185 Allan head screw
188 Allan head screw
193 Compression spring, over
pressure valve
195 Ball
204 Circlip
207 Compression spring
208 Washer
220 Screw
250 Compression spring
252 Allan head screw
76
208/
184
9
90
210
6
4
184 193
102
104
18
2 x 200* 27
180
144
114
155/158
20
208/
24
185/183*
180
2
3
204
101
207
34
106
108
30
188
96
32
147
250
152
154/158
2 x 220/
2 x 208
35
195
7/10 8/10
149
252
110
112
5
156
162
184/
22
150
116
2 x 220
144
51
44
208
42
(138/
141/
148)
}
4.1
4.1
4 x 192
2 x 191
