Mixing pump G 4 X Super / G 4 X XL / Part 2 Overview, operation and service
Maintenance
6.4.4
Strainer screen in pressure reducer
2
1
Figure 87: Strainer screen
Implementation by a service technician
1. Remove the closure cap (1) from the pressure reducer.
2. Take out the strainer screen (2) and clean (monthly).
3. Replace the strainer screen if dirt is severe.
4. Insert strainer screen and screw on the closure cap.
Screen for pressure reducer:
Item no. 20156000
6.4.5
Setting value pressure switch water
1
Figure 88: Pressure switch water
Pressure switch
water (1)
Machine switches
"ON"
Machine switches
"OFF"
Water
2.2 bar
1.9 bar
6.4.6
Setting value pressure switch air
1
Figure 89: Pressure switch air
Pressure switch air
(1)
Machine switches
"ON"
Machine switches
"OFF"
Air
0.9 bar
1.2 bar
6.4.7
Setting value pressure switch air compressor
Air compressor
switches "ON"
Air compressor
switches "OFF"
Compressor 2.5 bar
3.1 bar
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