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CONTENTS

1. FEATURES................................................................................................................................. 1-M1

2. ENGINE BODY........................................................................................................................... 1-M2

[1] PISTON ................................................................................................................................ 1-M2

[2] HALF-FLOATING HEAD COVER ........................................................................................ 1-M2

3. LUBRICATING SYSTEM............................................................................................................1-M3

[1] OIL COOLER........................................................................................................................ 1-M3

4. COOLING SYSTEM ................................................................................................................... 1-M4

[1] THERMOSTAT.....................................................................................................................1-M4

[2] BOTTOM BYPASS SYSTEM ............................................................................................... 1-M5

5. FUEL SYSTEM........................................................................................................................... 1-M6

[1] OVERVIEW OF COMMON RAIL SYSTEM.......................................................................... 1-M6

[2] SUPPLY PUMP....................................................................................................................1-M8

[3] RAIL.................................................................................................................................... 1-M11

[4] INJECTOR.......................................................................................................................... 1-M12

[5] ENGINE CONTROL SYSTEM ........................................................................................... 1-M16

(1) Engine ECU.................................................................................................................. 1-M17

(2) Sensor .......................................................................................................................... 1-M17

6. EGR SYSTEM .......................................................................................................................... 1-M19

[1] OVERVIEW ........................................................................................................................ 1-M19

[2] EGR COOLER.................................................................................................................... 1-M20

[3] EGR VALVE ....................................................................................................................... 1-M20

7. AFTER TREATMENT SYSTEM ............................................................................................... 1-M21

[1] AFTER TREATMENT DEVICES ........................................................................................ 1-M21

MECHANISM

KiSC issued 09, 2016 A

wsm L4701 User Manual

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