TM5-6675-326-14
7-13.3 Replace Circuit Board - Continued
REMOVAL:
WARNING
ELECTRICAL SHOCK
Unplug power cord before servicing the ultrasonic
c l e a n e r.
Failure to do so may result in death or
s e r i o u s i n j u r y.
a. Turn power OFF. Unplug power cord.
b .
Remove screws and nuts holding stainless steel tank and casing
t o c h a s s i s.
c . L i f t s t a i n l e s s s t e e l t a n k a n d c a s i n g f r e e.
Set aside.
d.
Remove nuts and screws holding circuit board to chassis.
e. Tag and disconnect power cord wire, power switch wire, and
ground wire from circuit board.
f .
Disconnect capacitor wire from circuit board .
g.
Disconnect two transducer wires from circuit board.
h .
Remove defective circuit board.
INSTALLATION:
a .
I n s t a l l n e w c i r c u i t b o a r d.
b.
Reconnect two transducer wires to circuit board.
c . R e c o n n e c t c a p a c i t o r w i r e t o c i r c u i t b o a r d.
d.
Reconnect ground wire, power switch wire, and power cord wire
to circuit board. Remove
e. Reinstall screws and nuts
f .
R e i n s t a l l s t a i n l e s s s t e el
and screws.
g .
F i l l s t a i n l e s s s t e e l t a nk
h .
Plug in power cord. Turn
a g i t a t e s .
t a g s.
h o l d i n g c i r c u i t b o a r d t o c h a s s i s.
tank and casing.
Secure with nuts
1 / 3 f u l l w i t h w a t e r.
power ON.
Be sure water surface
7-15
