Hypertherm DynaMAX 550P, Operator'S Manual

Page: 123 / 224

Preventive maintenance
4
DynaMAX 550P/560P/575P Waterjet Pump Operator Manual 811390 123
4. Turn
ON
the water to the pump.
5. Monitor for leaks.
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.
DANGER
Before removing a lock-out tag-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 155.
A leak can cause damage to the water fittings.
Start the pump normally if maintenance is done
on the pump was limited to:
• Replacing the water filter.
• Replacing the hydraulic filter element.
• Replacing the hydraulic fluid.
• Repairing or replacing the bleed-down valve.
• Working on the electrical system.
Refer to Start the pump on page 54 for instructions
Use the Postmaintenance start procedure if
maintenance or repairs have been done on:
• The high-pressure water system.
• Intensifier components.
• The primary motor.