Blower Resistor - Kubota KX080-4 Workshop Manual

KX080-4, WSM

(4) Blower Resistor

Checking the Voltage
1. Remove the blower motor connector.
2. After starting the engine, set the fan switch off.
3. Measure the voltage based on the table below.
Mea-
Connector Name
sure-
(+terminal side)
ment
Blower resistor motor
(a)
connector
Normal: 12 V
Irregular: Large discrepancy from 12 V
(1) Blower Resistor
(2) Blower Resistor Motor Connector
Inspecting the Blower Resistor
1. Put the key switch in its STOP position.
2. Disconnect the blower resistor connector from the machine and
test the resistor on its own.
3. Measure the resistance based on the table below.
Mea-
sure- Between terminals
ment
(a) 1 – 3
(b) 1 – 2
(c) 2 – 3
Regular: Within factory specification
Irregular: Outside factory specification
(1) MI
(2) HI
(3) LO
(4) Blank
5-S25
Pin Connector Name
No. (- terminal side)
<2> Body GND
(3) Fan Switch
RY9212148CAS0016US0
Factory Assessment
specification Results
Approx. 1.0 Ω
Approx. 0.7 Ω
Approx. 1.7 Ω
(A) Blower Resistor
(B) Wiring Diagram
RY9212148CAS0017US0
KiSC issued 08, 2015 A
CABIN
Pin
No.
–