THERMODYNE 1600NDNL, Международное руководство по обслуживанию

Страница: 23 / 32

— 23 —
Heater Tank
Mounting
Nuts
Loosen
Pump
Union
Figure 26: Heater Tank Removal
14. Carefully lift the Heater Tank out of the Power
Head. If the Thermocouple is still attached
be careful not to place undue stress on the
Thermocouple wires.
Remove
Heat Elements
Figure 27: Heater Tank with
Heat Elements Removed
15. Unscrew and remove the defective Heat
Element.
16. Install the new Heat Element.
17. Using a NEW Flange Gasket reconnect the
Heater Tank to the Return Manifold.
18. Reattach the Heater Tank to the Power Head
chassis.
19. Tighten the Heat Element that was replaced.
20. Using a new Pump Union Gasket, reconnect
the pump to the tank.
21. Reconnect the Overflow Tube.
22. Referring to the tags or the wiring schematic,
reconnect all of the wires and leads. If the
Thermocouple was removed, reinstall it.
23. Restore power to the unit and fill the Heater
Tank and Reservoir Tank with fresh Heat
Transfer fluid until the Low Fluid Level light
goes out.
24. Check for leaks at the Return Manifold
Flange, Pump Union, Heat Element and the
Thermocouple if it was removed. Tighten
as needed.
25. Remove the unit from its power source
and reattach the left Side Panel and Power
Head Cover.
26. Restore the unit to its power source and
check the unit for proper operation. It
may be necessary to add additional Heat
Transfer Fluid after the unit has operated
for several minutes.