3-22
3-22
1
1.. P
Po
ossiittiivve
e
2
2.. N
Ne
eg
gaattiivve
e
502737
502737
T
To
oo
oll
S
Sp
pe
ecciiffiic
c R
Re
essiisstta
an
ncce
e
Tester
Tester
Infinite at x 1k rang
Infinite at x 1k range
e
M
Me
eg
gg
ge
err
0
0..5
5M
M o
or
r g
grre
eaatte
er
r ((D
DC
C5
50
00
0V
V))
CHAPTER 3 MOTOR
CHAPTER 3 MOTOR
15
15.2
.2 In
Insp
spec
ecti
ting
ng Mo
Moto
torr
Inspection of force of spring
Inspection of force of spring
Hook a spring scale to the brush SPRING and check if both
Hook a spring scale to the brush SPRING and check if both
springs have the same tension. Then make sure of equal
springs have the same tension. Then make sure of equal
force on 2 springs.
force on 2 springs.
1
1. S
. Sp
prriin
ng
g ssccaalle
e
2
2. S
. Sp
prriin
ng
g
502738
502738
1
1
2
2
IItte
em
m
S
Stta
an
nd
da
arrd
d
Force of
Force of
spring
spring
3 W
3 W
1
1..3
3 tto
o 1
1..6
6 tto
on
n m
mo
od
de
ell
7
7N
N
1
1..8
8 tto
o 2
2..0
0 tto
on
n m
mo
od
de
ell
5
5N
N
4
4
W
W
5
5N
N
CAUTION
CAUTION
If the SPRING and/or the brush
If the SPRING and/or the brush holder were rusted, replace them.
holder were rusted, replace them.
Inspect with the
Inspect with the following procedure after assembling.
following procedure after assembling.
Abnormal noise and spark
Abnormal noise and spark
Operate the motor. Then make sure that abnormal noise is not
Operate the motor. Then make sure that abnormal noise is not heard and sparks of brushes are
heard and sparks of brushes are not seen.
not seen.
CAUTION
CAUTION
If the motor is tested by itself, fix the motor on a
If the motor is tested by itself, fix the motor on a work bench securely. The motor may move suddenly when starting. Test the
work bench securely. The motor may move suddenly when starting. Test the
motor with the slow speed.
motor with the slow speed.
(1)
(1) Be sur
Be sure to se
e to secure E
cure EPS mo
PS motor as
tor ass'y on a w
s'y on a work be
ork bench.
nch.
(2)
(2) Apply 1/
Apply 1/4 voltag
4 voltage of the batt
e of the battery (abo
ery (about 12V) to ca
ut 12V) to carry out te
rry out testing
sting..
(3)
(3) Con
Connec
nect wi
t wires
res as f
as foll
ollows
ows..
--
Conne
Connect
ct (WHIT
(WHITE) w
E) wire
ire to
to the
the (pos
(positive
itive [+])
[+])term
terminal
inal of
of the
the batte
battery
ry
Содержание FB13PNT
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