Kubota DF972-E2 - SERVICING AND REPAIR PROCEDURES

CONTENTS
SERVICING
1. TROUBLESHOOTING ......................................................................................S-1
[1] FOR GASOLINE FUEL .............................................................................S-1
[2] FOR LPG FUEL ........................................................................................S-2
[3] FOR ELECTRONIC GOVERNOR ............................................................S-3
2. SERVICING SPECIFICATIONS ......................................................................S-6
3. TIGHTENING TORQUES ..............................................................................S-12
[1] TIGHTENING TORQUES FOR SPECIAL USE SCREWS, BOLTS
AND NUTS...............................................................................................S-12
[2] TIGHTENING TORQUES FOR GENERAL USE SCREWS, BOLTS
AND NUTS...............................................................................................S-13
4. CHECKING, DISASSEMBLING AND SERVICING......................................S-14
[1] CHECKING AND ADJUSTING ...............................................................S-14
(1) Engine Body........................................................................................S-14
(2) Lubricating System .............................................................................S-17
(3) Cooling System...................................................................................S-17
(4) Fuel System ........................................................................................S-20
(5) Ignition System ...................................................................................S-24
(6) Electrical System ................................................................................S-27
(7) Electronic Governor ............................................................................S-31
[2] DISASSEMBLING AND ASSEMBLING..................................................S-32
(1) Draining Coolant and Engine Oil.........................................................S-32
(2) External Components .........................................................................S-33
(3) Cylinder Head, Valves and Oil Pan.....................................................S-37
(4) Thermostat..........................................................................................S-40
(5) Timing Gear, Camshaft and Fuel Camshaft .......................................S-41
(6) Piston and Connecting Rod ................................................................S-43
(7) Crankshaft...........................................................................................S-45
(8) Starter .................................................................................................S-49
[3] SERVICING ..............................................................................................S-50
(1) Cylinder Head and Valves ..................................................................S-50
(2) Timing Gear, Camshaft.......................................................................S-55
(3) Piston and Connecting Rod ................................................................S-58
(4) Crankshaft...........................................................................................S-60
(5) Cylinder...............................................................................................S-64
(6) Oil Pump .............................................................................................S-65
(7) Starter .................................................................................................S-66
KiSC issued 01, 2006 A