Hypertherm HyPrecision 15, Operator'S Manual

Page: 137 / 194

HyPrecision15/30/50 Operator Manual 808240 137
5 – Preventive maintenance
Preventive maintenance
Start the pump after preventive maintenance
1. Turn ON the water supply.
2. Turn ON the air supply.
3. Turn ON the electrical main.
4. Make sure that the primary breaker disconnect lever on the electrical enclosure door is in the ON position.

The operator interface screen is illuminated when electricity to the pump is turned on.
5. Make sure that the LOCAL/REMOTE key switch on the operation panel is in the LOCAL position.
6. Press the CONTROLS ON button to turn on the control circuit inside the pump.

The pump can not be turned on until the circuit is turned on.
7. Turn ON the pump in cooling mode to let water to fill the intensifier.
8. Turn the pierce-pressure adjustment knob to the left (anticlockwise) to decrease the pierce pressure. Refer to
page 54 for instructions.
9. Press F1 on the operator interface to turn on the pump and the intensifier.
10. Press 1 on the numeric keypad to change the pump to pierce-pressure mode.
11. Turn ON the cutting head to clear air from the high-pressure lines. Watch for water to come out of the cutting head.
This takes approximately 1 minute.

It is normal for the intensifier to stroke very quickly while it pushes the air out of the lines.
12. Permit the intensifier to stroke for a few minutes to make sure that the seals seat properly.
13. Turn OFF the cutting head.
DANGER
A turning motor shaft can be dangerous.
CAUTION
Close all doors and replace all covers, including the shaft access cover.
CAUTION
Failure to correct the cause of a leak can result in damage to the fittings.
Test the equipment before putting it into use.
Make sure that all fittings are tight after doing maintenance or repairing this pump.