Installation
Echion Operator Manual 810770 163
Flush the pump and the high-pressure tubing
It is common for small pieces of metal and debris to be present in newly installed high-pressure
tubing. Flush the system to prevent damage to orifices, on/off valve parts, and other components of
the high-pressure system.
1. Remove the cutting head and the orifice.
2. Make sure that the on/off valve is closed.
3. Turn
ON the pump.
4. Set the pressure to345bar(5,000psi).
5. On the operator interface, touch the symbol to start the pump.
6. Make a program that turns the valve
ON and OFF in 1-second increments. Operate the program
in a loop for 15 minutes.
If a program is not available, turn the cutting head
ON and OFF in 1-second intervals
for15minutes. This loosens debris in the high-pressure tubing.
7. Turn
OFF the pump.
8. Install a ruby orifice in the cutting head. For orifice sizes, refer to Orifices on page 141.
9. Turn
ON the pump.
10. On the operator interface, touch the symbol to start the pump.
11 . Increase the pressure to2,760bar(40,000psi). Operate the program in a loop for15 minutes.
12. Increase the pressure to4,140bar(60,000psi). Operate the program in a loop for15 minutes.
If the on/off valve leaks, examine the needle, the seat, the seals, and the orifice for damage.
Replace parts, if necessary.
The pump is ready for normal operation.
CAUTION
This procedure can cause damage to the on/off valve needle and the seat and to the orifice.
Keep spare parts and orifices available.
If this pump was purchased through an OEM, the OEM could recommend a different procedure
to flush out the high-pressure tubing.
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