S
S
e
e
r
r
v
v
i
i
c
c
e
e
M
M
a
a
n
n
u
u
a
a
l
l
S
S
e
e
a
a
r
r
s
s
3
3
0
0
4
4
2
2
7
7
0
0
T
T
r
r
e
e
a
a
d
d
m
m
i
i
l
l
l
l
M
M
a
a
u
u
r
r
i
i
c
c
e
e
P
P
i
i
n
n
c
c
o
o
f
f
f
f
s
s
D
D
e
e
s
s
c
c
r
r
i
i
p
p
t
t
i
i
o
o
n
n
1
1
(
(
8
8
8
8
8
8
)
)
7
7
0
0
7
7
-
-
1
1
8
8
8
8
0
0
D
D
e
e
s
s
c
c
r
r
i
i
p
p
t
t
i
i
o
o
n
n
5
5
DESCRIPTION
A E
LECTRICAL
C
ONFIGURATION
Note:
Electrical servicing of this treadmill is limited to board
level replacement.
1. SEARS 30427 0 TREADMILL COMPONENTS
a)
Safety key:
Magnetic key that fits in the Console to activate all
functions.
b)
Console:
Interface that controls all functions of the treadmill.
c)
Main controller:
A circuit board that incorporates the DC power supply and
takes input from the console and sends out appropriate
voltages that control the treadmill functions.
d)
Treadmill motor:
A variable speed, reversing 0 - 90 volt D.C. motor that
powers the main running belt.
e)
Incline motor:
An AC reversing motor that sets the incline of the treadmill.
