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CONTENTS

MECHANISM

1. STRUCTURE ................................................................................................. 7-M1

2. HYDRAULIC CIRCUIT..................................................................................7-M2

3. HYDRAULIC PUMP ...................................................................................... 7-M3

4. STEERING CONTROLLER ..........................................................................7-M4

[1] CONTROL VALVE.................................................................................. 7-M5

[2] METERING DEVICE (GEROTOR) ........................................................ 7-M5

[3] RELIEF VALVE (WITH CHECK VALVE) ............................................. 7-M6

[4] OIL FLOW............................................................................................... 7-M7

5. STEERING CYLINDER................................................................................. 7-M9

KiSC issued 02, 2007 A

wsm L503 User Manual

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