Hypertherm EcoSift, Operator'S Manual

Page: 51 / 188

Operation
Operation
EcoSift Operator Manual 809500 51
Stop for maintenance, repair, or at the end of the day
1. On the home screen (RUNNING PAGE), touch
O
to turn
OFF
the EcoSift.
The EcoSift does a normal shutdown.
a. The abrasive pump turns off.
b. The feed pump water hoses are cleared.
c. After 10 minutes, the heating elements turn off.
2. When the heating element turns off, turn the electrical disconnect knob to
O O
FF
.
3. Turn
OFF
the compressed air.
4. Turn
OFF
the supply water.
5. Close the valves on the feed pump, the agitation pump, and the abrasive pump.
The valves are on the EcoSift Hopper near the hose connections.
6. Turn
OFF
the electric power supply.
7. Use a lock-out device according to the work site’s policy to isolate and control energy.
Emergency stop
The EcoSift does an uncontrolled shutdown when the emergency stop knob is pushed. Refer to
Uncontrolled
shutdown
on page 118.
Turn OFF the pump valves when stopping the EcoSift for longer than 1 day. Abrasive can flow from
the EcoSift hopper into the pump hoses. Dried abrasive is not easily cleaned from the hoses.
Do not use the emergency stop knob to turn
OFF
the machine in nonemergency situations.
The system does not do a normal shutdown, and wet abrasive is left on the primary screen and
in the abrasive pump and hoses, which can cause a blockage.