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2. ELECTRICAL PARTS AND PROCEDURES FOR CHECKING
2.2.18 MOTOR THERMO-SENSOR
The drive and pump motors are provided with
thermo-sensors to check the motor temperature. If
the detection value of a thermo-sensor is judged to be
abnormal, the controller limits the electric current to
the corresponding motor.
Checking procedure
①
Disconnect the motor sensor connectors.
②
Set the multimeter to a resistance range of
x1000 Ω. Measure the resistance between the
terminals according to the table given below.
③
Determine whether the sensor is defective or not
according to the measured resistance.
Normal value (rough guide)
10°C [50°F]: about 20 kΩ
20°C [68°F]: about 13 kΩ
30°C [86°F]: about 9 kΩ
50°C [122°F]: about 4.4 kΩ
Voltage checking
Measurement terminals (wire color)
Normal value
Drive motor
Pump motor
+
–
+
–
CN11-4
(WG)
CN11-3
(WR)
CN1-22
(LW)
N terminal
0.2 to 4.8 V
Содержание FB-8 Series
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Страница 38: ...NOTE 1 BATTERY 12...
Страница 40: ...14 Fig 2 1 Drive Motor Installation DRIVE UNIT DRIVE AXLE DRIVE MOTOR 2 MOTORS...
Страница 92: ...NOTE 6 STEERING SYSTEM 66...
Страница 106: ...NOTE 6 STEERING SYSTEM 80...
Страница 126: ...100 Remove the oil seal from the front cover Fig 7 28 7 HYDRAULIC SYSTEM...
Страница 150: ...NOTE 8 LOAD HANDLING SYSTEM 124...
Страница 234: ...72 3 TROUBLESHOOTING GUIDE NOTE...
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Страница 259: ...n m o m Z C F H d o H H M 0 M Z 0 m O m C O R P O R A T I O N T C M...