Kubota WSM 07-E3B Series Workshop Manual page 82

MECHANISM
1. FEATURE ........................................................................................................ M-1
2. ENGINE BODY ............................................................................................... M-2
[1] CYLINDER BLOCK................................................................................... M-2
[2] COOLING JACKET................................................................................... M-3
[3] HALF-FLOATING HEAD COVER ............................................................ M-3
[4] CYLINDER HEAD ..................................................................................... M-4
[5] 4 SCREWS PER EACH CYLINDER ASSEMBLING STRUCTURE .... M-5
[6] CENTER DIRECT INJECTION SYSTEM (E-CDIS)............................... M-6
[7] GEAR TRAIN CONFIGURATION ............................................................ M-7
[8] PISTON...................................................................................................... M-7
[9] BUILT-IN DYNAMIC BALANCER (BALANCER MODEL ONLY).......... M-7
3. LUBRICATING SYSTEM ................................................................................ M-8
[1] OIL COOLER ............................................................................................ M-8
4. COOLING SYSTEM ........................................................................................ M-9
[1] THERMOSTAT .......................................................................................... M-9
[2] BOTTOM BYPASS SYSTEM................................................................. M-10
5. FUEL SYSTEM ............................................................................................. M-11
[1] GOVERNOR ............................................................................................ M-11
[2] 2 STAGE DI NOZZLE ........................................................................... M-14
[3] INJECTION PUMP.................................................................................. M-15
(1) Fine Spill Port (F.S.P) ........................................................................ M-15
(2) CPV Equipped Delivery Valve ........................................................... M-16
6. INTAKE AND EXHAUST SYSTEM ............................................................. M-17
[1] TURBOCHARGER................................................................................... M-17
7. EXHAUST GAS RECIRCULATION (EGR) SYSTEM ................................ M-18
[1] GENERAL ................................................................................................ M-18
[2] EXTERNAL MECHANICAL EGR........................................................... M-18
(1) EGR Cooler........................................................................................ M-19
(2) Thermo Valve..................................................................................... M-19
(3) Mechanical EGR Valve ...................................................................... M-20
(4) Reed Valve ........................................................................................ M-20
CONTENTS
KiSC issued 06, 2020 A