SK00-4802-DI-002-04
No.16.10.20
40
For ULK-04A,ULK-06A
See Figs. 14
For replacement of the heater, it is necessary to provide a work area with enough volume for that
work. For the volume below the pump, see the external dimensions (Figs. 2, 3).
(1) Shut off the power to the heater. After the pump is sufficiently cooled down, remove the
electric wiring between the main and auxiliary terminals.
(2) Remove all connecting terminals for wire connections to the heater in the terminal box.
(3) Remove the nuts attached to the center of the bottom of the boiler and remove the heater
cover.
(4) Removal of the nut in 4-2 allows you to remove the reflector
⑤
, whereas removal of the
other nut in 4-1 allows you to remove the heater
②
.
(5) Remove the thermo cement adhering to the bottom of the pump case.
Figure 14: Diagram on removal of heater of ULK-04A, ULK-06A
