5-5. How to replace each circuit board
nmstczn.
1)
Main
circuit
board
assembly
[M4001301AA0Aj
-f
^ | ',
(1)
Loosen
setscrew
O
on
the
front
cover
in
^ y
the
PSC
box
and
remove
the
front
cover
O . \
'—'
1
(2)
Then
remove
the
connector
mounted
on
the
Jl
, \
the
main
circuit
board.
~i
•JDDJflCSQ.
\
(J51-P.VR
0 ,
J52-SOL
O ,
J55-POWER
0 , M L \
J62-M.CTL
0 ,
J67-SC-20
® , « O
J60-SC-120-220
© ,
J61-SC-320
® , W U
J58-MANU.C 0 , J63-FRT.SW 0 ,
J66-MAXVR
® ) 0 O
®©
O ®
(3)
Remove
the
four
main
circuit
board
setscrews
j
®
and
remove
the
old
main
circuit
board
/ ' ' i . i
from the front cover. / / X
(4)
Mount
the
new
main
circuit
board
on
the
-t
/
front
cover
in
the
reverse
order
to
that
of
^ J /
removal.
|
Tb/
X X
Ox
(5)
Finally,
adjust
the
pedal
stroke
and
the
speed
/~/
/ ^
as
prescribed
in
the
previous
clause.
With
© ® 0 © © ©
this, the replacement is
completed.
Fig.
5-13
2) Speed limitingcircuit board
assembly
[M4301301AAD]
(1) Disconnect connector J63-FRT.SW after completing the above procedure l)-(l).
(2) Remove the three circuit board setscrews ® , removethe old speed limitingcircuit board from the
front cover and replace it with a new one.
(3) Finally, assemble the new one in the reverse order to that
of
removal. With this, the replacement is
completed.
^ o
© ® 0
Fig.
5-13
-
55
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