126 HyPrecision Predictive waterjet pump Operator Manual 810120
5 – Preventive maintenance
Preventive maintenance
Start the pump after maintenance
1. Turn ON the electrical breaker.
2. Turn
ON the water to the pump.
3. Monitor for leaks.
4. Turn
ON the compressed air supply.
5. Turn
ON the electrical main.
6. Turn the primary breaker disconnect lever on the electrical enclosure door to
ON.
The operator interface screen is on when the pump is energized.
7. Make sure that the L
OCAL/REMOTE key switch on the operation panel is set to LOCAL. Refer to Operator
interface: Operation screens on page 58 for information.
When the key switch is set to L
OCAL:
The operator interface is used to operate the pump.
The REMOTE ON indicator light is off.
The operator interface is the primary point of control.
8. Push the C
ONTROLS ON button to turn ON the control circuit in the pump.
The pump can not be turned on until the control circuit is on.
9. Turn
ON the pump in cooling mode.
10. The post-maintenance start program operates. Refer to Postmaintenance start procedure on page 132.
11 . Monitor for leaks.
DANGER
Before removing a lock-out device:
• Obey the employer’s energy-control procedure.
• Examine machines and parts to make sure that they are operational.
• Make sure that all personnel are safely away from machines.
After removing energy-isolation devices, make sure that all personnel in the area of the equipment
know that the devices are removed and that the machine is being energized.
WARNING
A turning motor shaft can be dangerous. Close all doors and replace all covers, including access
covers.
WARNING
Do not try to repair a leak with pressure in the system.
WARNING
Remove all tools, towels, and rags from the work area before starting the equipment.
CAUTION
Make sure that all fittings are tight after doing maintenance on or repairs to this equipment.
Identify the source of a leak and correct the problem. Refer to Leaks on page 163.
A leak can cause damage to the water fittings.
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