GCH15010
71
PHOTOS
DISASSEMBLY PROCEDURE
Photo 12-6
Photo 12-7
Photo 12-8
(7) Remove the flow sensor. (Photo 12-1 and 12-8)
・
Draw out the quick connection to the front side
and remove.
・
Be sure to set the flow sensor so that the direction
of flow arrow is facing downwards.
・
When replacing the flow sensor, be sure to use a
new O-ring.
(6) Install the drain cock hose at the drain cock of
the booster heater inlet (lower right), and drain
water.(Photo 12-8)
Flow sensor 1
(5) Close(OFF) the pump valve and strainer
valve.(Photo 12-6 and 12-7)
When the pump valve/strainer valve handle is stiff,
use a tool to grip the handle and turn it carefully.
When opening or closing the pump valve/strainer
valve, ensure to do so fully, not halfway.
drain cock
pump valve
pump valve
strainer valve
The direction that the water flows through.
(There is a downward arrow.)
strainer valve
hose
< pump valve and strainer valve >
Open
or
or
Close