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If the motor is tested by itself, fix the motor on a work bench se
If the motor is tested by itse
motor with the slow speed.
motor with the slow speed.
(1) Be sure t
(1)
Be sure to secu
o secure the m
(2) Use th
(2)
Use the batte
e battery of the f
(3)
(3) Con
Connec
nect wi
t wires
- -
Con
Connec
nect the
t the U2 ca
- -
Connec
Con
nect the
t the V2 ca
- -
Connec
Con
nect the
t the W2 ca
CHAPTER 3 MOTOR
CHAPTER 3 MOTOR
10
10.3 .3 In Insp
spec ecti tion o
Measure the insulation between terminals and stator with
Measure the insulation between terminals and stator with
the Megger.
the Megger.
- -
App
Apply t
ly the e
the stator.
the stator.
- -
Apply t
App
ly the l
each terminal. (U, V and W)
each terminal. (U, V and W)
Tool
Tool
M M e e g g g g e e r r
lf, fix the motor on a work bench securely.
re the motor A
otor ASS'Y on a w
SS'Y on a work be
ork bench.
ry of the forkli
orklift tru
ft truck to car
ck to carry out t
ry out testin
res as f
as foll
ollows
ows. .
U2 cable f
ble from
rom the c
the chas
hassis t
sis to the U
o the U2 ter
V2 cable f
ble from
rom the
the cha
chassi
ssis to th
s to the V2 te
W2 cable f
ble from
rom the c
the chas
hassis t
sis to the
o the W2 te
on of in
f insu
sula lati tion
on
he eart
arth pr
h probe
obe (ne
(negat
gative
ive [-] [-]) of
) of the
he line
ine pro
probe (
be (pos
positi itive [
ve [+])
+]) of t
Specific resistance
Specific resistance
0 0 . . 5 5 M M o o r r g g r r e e a a t t e e r r ( ( D D C C 5 5 0 0 0 0 V V ) )
CAUTION
CAUTION
curely. The motor may mo
The motor may move suddenly when starting.
nch.
esting. g.
2 termin
minal on t
al on the m
he moto
otor. r.
e V2 term
rmina
inal on th
l on the mot
e motor.
or.
W2 term
rmina
inal on th
l on the mo
e motor
tor. .
the Me
Megg
gger t
er to o
of the M
he Megg
egger t
er to o
ve suddenly when starting. Test the
Test the
3-15
3-15
502728
502728
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