Kubota B1830, Workshop Manual

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CABIN B1830,B2230,B2530,B3030, WSM
10-S2
Insufficient Cooling
(Compressor Does
Not Rotate Properly) Belt slipping Adjust or replace G-27
Magnetic clutch defective Repair or replace 10-S32
Compressor defective Replace 10-S32
Insufficient Cooling
(Others) Thermostat defective Replace 10-M25
Water valve defective Replace 10-S37
Condenser fin clogged with dust Clean G-13
Expansion valve defective Replace 10-M16
Insufficient Heating Water valve defective Replace 10-S37
Air mix door malfunctioning Check control cable 10-S36
Insufficient coolant Replenish G-52
Too Low Air Flow
Rate (Blower Motor
Does Not Run) Blower fan switch defective Replace 10-S22
A/C main relay defective Replace 10-S22
Brush in poor contact Repair or replace 10-S22
Fuse blown out Replace G-47 to
G-50
Wrong wiring or loose connections Check and repair –
Too Low Air Flow
Rate (Flow Rate Does
Not Change in Three
Steps) Resistor defective Replace 10-S24
Relay defective Replace 10-S22
Blower fan switch defective Replace 10-S22
Too Low Air Flow
Rate (Blown Itself in
Trouble) Blower is not tightened enough Tighten 10-S23
Blower deformed Replace or repair 10-S36
Blower in contact with casing Repair 10-S36
Obstacle at near suction port Repair G-13
Evaporator frosted Check or replace 10-S37
Air conditioner condenser screen clogged Clean G-13
Blow duct clogged or missing Clean 10-S36
Air Flow Rate as
Specified, But No
Cooling. (Belt
Tension Is Not
Proper.) Belt slipping Adjust or replace G-27
Air Flow Rate as
Specified, But No
Cooling. (Magnet
Switch Does Not
Function.) Low battery voltage Charge G-24
Rotor in contact with stator Repair 10-S33
Wrong wiring or loose connections Check and repair 10-S32
Relays misadjusted or defective Replace 10-S22
Coil shortage Replace 10-S34
Ground malfunction Repair 10-S21
Coil burst out Replace 10-S34
Air Flow Rate
(Compressor in
Trouble) Compressor defective Replace 10-S32
Symptom Probable Cause Solution
Reference
Page
KiSC issued 05, 2012 A