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CONTENTS

SERVICING

1. TROUBLESHOOTING ..................................................................................10-S1

2. SERVICING SPECIFICATIONS ..................................................................10-S6

3. TIGHTENING TORQUES ............................................................................10-S7

4. PRECAUTIONS AT REPAIRING REFRIGERANT CYCLE ......................10-S8

[1] HANDLING OF SERVICE TOOLS.......................................................10-S9

(1) Manifold Gauge Set ..........................................................................10-S9

(2) Refrigerant Charging Hose .............................................................10-S10

(3) Vacuum Pump Adaptor...................................................................10-S11

(4) Electric Gas Leak Tester.................................................................10-S11

(5) Can Tap Valve ................................................................................10-S11

(6) T-joint..............................................................................................10-S12

(7) R134a Refrigerant Recovery and Recycling Machine ....................10-S12

5. CHECKING AND CHARGING REFRIGERANT CYCLE.........................10-S13

[1] CHECKING WITH MANIFOLD GAUGE ............................................10-S13

[2] DISCHARGING, EVACUATING AND CHARGING ...........................10-S17

(1) Discharging the System..................................................................10-S17

(2) Evacuating the System ...................................................................10-S17

(3) Charging the System ......................................................................10-S19

(4) Checking Charge Refrigerant Amount............................................10-S21

6. CHECKING, DISASSEMBLING AND SERVICING..................................10-S22

[1] SEPARATING CABIN FROM TRACTOR BODY..............................10-S22

[2] COMPRESSOR ....................................................................................10-S28

(1) Checking .........................................................................................10-S28

(2) Disassembling and Assembling......................................................10-S28

(3) Servicing .........................................................................................10-S31

[3] AIR CONDITIONER SYSTEM AND FRONT WINDSHIELD WIPER10-S31

(1) Checking .........................................................................................10-S31

(2) Disassembling and Assembling......................................................10-S38

(3) Servicing .........................................................................................10-S49

[4] LIGHTING SYSTEM ............................................................................10-S49

(1) Checking .........................................................................................10-S49

[5] OTHERS ...............................................................................................10-S50

(1) Disassembling and Assembling......................................................10-S50

KiSC issued 02, 2007 A

wsm L503 User Manual

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