Hoses And Pipelines; Maintenance; Replacing Valve Parts [Drawings; Replacing The Diaphragms [Drawings - Krautzberger MP-400 Operating Instructions Manual

10.2 Hoses and pipelines

Even when handled correctly, the useful life of hoses and pipelines is always affected by
environmental factors. As a precautionary measure, all hoses and pipelines should be
regularly replaced (at intervals depending on the load to which they are subjected)
11 M
AINTENANCE
11.1 Replacing valve parts [Drawings on page 10]
Shut off compressed air supply and dissipate any remaining material pressure
Unscrew sealing screws (10)
Remove and replace gasket (9), valve spring (8), valve ball (7), valve seat (6) with O-
ring seal (5)
Tighten sealing screws (10) - 90Nm
11.2 Replacing the diaphragms [Drawings, page 11]
Shut off compressed air supply and dissipate any remaining material pressure
Loosen screws (4) and remove cover (2)
Unscrew diaphragm (20) from control bolt (19)
Clean contact surfaces of cover and housing
Screw new diaphragms into control bolt
Replace O-ring seals (21)
Screw cover (2) on tight (2); arrow pointing upwards!
Tighten screws (4) - 20Nm
12 T
ECHNICAL DATA
Conveying capacity (based on water,
8bar):
Material connection (outlet):
Max. temperature of coating material:
Max. pressure:
Maximum admissible operating
pressure:
Compressed air feed:
Compressed air connection:
Air inlet pressure:
Transmission ratio:
Max. stroke rate (twin strokes):
Recommended stroke rate (twin
strokes):
Weight:
Air consumption (at 8bar):
MP-400
20 l/min (free outflow)
G 1/2 female thread
0°C...+50°C
6 bar
6 bar
non-lubricated, filtered
hose nozzle NW 8/9
min. 4 to max. 8 bar
1:1
120 twin str./min
100 twin str./min
7.5 Kg
160l/min
10
Dok-236-GB-6bar.doc
.