Servicing - Kubota KX080-4 Workshop Manual

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1. TROUBLESHOOTING.................................................................................................................5-S1
2. SERVICE SPECIFICATIONS ......................................................................................................5-S4
3. TORQUE .....................................................................................................................................5-S5
4. PRECAUTIONS WHEN REPAIRING THE REFRIGERANT SYSTEM .......................................5-S6
[1] USE OF SERVICE TOOLS ...................................................................................................5-S6
(1) Manifold Gauge Set.........................................................................................................5-S6
(2) Refrigerant Charging Hoses ............................................................................................5-S8
(3) Vacuum Pump Adapter ...................................................................................................5-S9
(4) Electric Gas Leak Tester .................................................................................................5-S9
(5) Canister Tap Valve ..........................................................................................................5-S9
(6) T-Joint............................................................................................................................5-S10
(7) R134a Refrigerant Collection/Recycling Device............................................................5-S10
5. INSPECTING AND CHARGING THE REFRIGERANT SYSTEM .............................................5-S11
[1] CHECKING THE SYSTEM WITH A MANIFOLD GAUGE...................................................5-S11
[2] COLLECTION, VACUUMING AND CHARGING.................................................................5-S15
(1) Collecting Refrigerant ....................................................................................................5-S15
(2) Vacuuming Out the System...........................................................................................5-S15
(3) Charging from the High-Pressure Side..........................................................................5-S17
(4) Charging from the Low-Pressure Side ..........................................................................5-S17
(5) Inspections and Troubleshooting...................................................................................5-S18
6. INSPECTION AND DISASSEMBLY..........................................................................................5-S20
[1] CHECKS AND ADJUSTMENTS .........................................................................................5-S20
(1) Compressor ...................................................................................................................5-S20
(2) Relays............................................................................................................................5-S22
(3) Blower Motor .................................................................................................................5-S24
(4) Blower Resistor .............................................................................................................5-S25
(5) Blower Switch ................................................................................................................5-S26
(6) Servo Motor (for Temp Control).....................................................................................5-S27
(7) Pressure Switch.............................................................................................................5-S28
[2] DISASSEMBLY AND ASSEMBLY ......................................................................................5-S29
(1) AC Unit Assembly/Disassembly ....................................................................................5-S29
(2) Mounting and Removing the Compressor .....................................................................5-S30
(3) AC and Heater Hose Routing ........................................................................................5-S32
(4) Electric Condenser/Fan Mounting and Removal ...........................................................5-S34
7. WINDOW WASHER ..................................................................................................................5-S36
[1] WIPER SWITCH..................................................................................................................5-S36
[2] WIPER MOTOR ..................................................................................................................5-S37
[3] WASHER MOTOR ..............................................................................................................5-S37
8. CABIN GLASS REMOVAL AND MOUNTING ...........................................................................5-S38
[1] COMPONENT SCHEMATIC ...............................................................................................5-S38
[2] NECESSARY TOOLS .........................................................................................................5-S42
[3] REMOVING THE GLASS ON THE RIGHT .........................................................................5-S43
[4] REMOVING THE FRONT GLASS ......................................................................................5-S44
[5] REMOVING OTHER PANES OF GLASS ...........................................................................5-S46
[6] INSTALLING THE GLASS ON THE RIGHT........................................................................5-S46
[7] INSTALLING THE FRONT GLASS .....................................................................................5-S48
[8] INSTALLING OTHER PANES OF GLASS ..........................................................................5-S51
9. REMOVAL AND INSTALLATION OF GLASS ...........................................................................5-S52
[1] PREPARATION ...................................................................................................................5-S52

SERVICING

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KiSC issued 08, 2015 A

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