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3. Make sure that the appropriate volume of cooling water is available, see Rating Plate
4. Hold the hexagon head with an open-ended wrench while you screw in the water pipes.
5. Screw the cooling water pipes into the female thread. You can connect the inlet and outlet
6. Ensure that the maximum permissible operating pressure does not exceed 6 bar.
Table 5-5
Type
1PH8 184
1PH8 186
1PH8 224
1PH8 226
1PH8 228
1PH8 284
1PH8 286
1PH8 288
5.5
Refitting the external fan
Subsequently changing the air flow direction from NDE to DE or vice versa must only be carried
out by qualified personnel or a Siemens Service Center (Page 161).
SIMOTICS M-1PH8 1PH818., 1PH822., 1PH828.
Operating Instructions 10/2017
(Page 21).
as required.
NOTICE
Securing the hexagonal couplers
The hexagonal couplers are connected directly to the water pipes inside the machine.
Applying excessive torque when screwing in can damage the pipe system.
Hold the couplers steady with an open-ended wrench when you screw in the water pipes.
The pressure drop is determined by the machine type and the shaft height:
Rate of flow and pressure drop
Flow rate
15 l/min
15 l/min
20 l/min
20 l/min
20 l/min
35 l/min
35 l/min
35 l/min
Mounting
5.5 Refitting the external fan
Pressure drop
0.6 bar
0.7 bar
0.6 bar
0.6 bar
0.6 bar
0.6 bar
0.6 bar
0.6 bar
65
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