Kubota WG1605-G-E3 - Servicing

CONTENTS
1. TROUBLESHOOTING.................................................................................................................1-S1
[1] FOR GENERAL.....................................................................................................................1-S1
[2] FOR GASOLINE FUEL .........................................................................................................1-S2
[3] FOR LPG / NATURAL GAS FUEL ........................................................................................1-S2
2. SERVICING SPECIFICATIONS ..................................................................................................1-S3
3. TIGHTENING TORQUES..........................................................................................................1-S10
[1] TIGHTENING TORQUES FOR GENERAL USE SCREWS, BOLTS AND NUTS...............1-S10
[2] TIGHTENING TORQUES FOR GENERAL USE SCREWS, BOLTS ..................................1-S11
4. CHECKING, DISASSEMBLING AND SERVICING ...................................................................1-S12
[1] CHECKING AND ADJUSTING............................................................................................1-S12
(1) Engine Body ..................................................................................................................1-S12
(2) Lubricating System ........................................................................................................1-S14
(3) Cooling System .............................................................................................................1-S14
(4) Fuel System...................................................................................................................1-S16
(5) Ignition System ..............................................................................................................1-S18
(6) Electrical System ...........................................................................................................1-S21
[2] DISASSEMBLING AND ASSEMBLING ..............................................................................1-S25
(1) Draining Coolant and Engine Oil ...................................................................................1-S25
(2) External Components ....................................................................................................1-S26
(3) Cylinder Head, Valves and Oil Pan ...............................................................................1-S28
(4) Thermostat ....................................................................................................................1-S31
(5) Timing Gear, Camshaft, Gear Shaft and PTO Shaft .....................................................1-S32
(6) Piston and Connecting Rod...........................................................................................1-S34
(7) Crankshaft .....................................................................................................................1-S35
(8) Starter............................................................................................................................1-S38
(9) Alternator .......................................................................................................................1-S39
[3] SERVICING .........................................................................................................................1-S40
(1) Cylinder Head and Valves .............................................................................................1-S40
(2) Timing Gear and Camshaft ...........................................................................................1-S46
(3) Piston and Connecting Rod...........................................................................................1-S49
(4) Crankshaft .....................................................................................................................1-S51
(5) Cylinder .........................................................................................................................1-S56
(6) Oil Pump........................................................................................................................1-S57
(7) Starter............................................................................................................................1-S58
(8) Alternator .......................................................................................................................1-S60
SERVICING
KiSC issued 05, 2014 A