Kubota G2000 4WS - Cylinder Head and Valves

G1700·G1800·G1900·G2000 WSM.10S30
5.1 ENGINE
(2) Cylinder Head and Valves
Carburetor
1. Disconnectthe spring (1) from the governor lever (4).
2. Disconnectthe wiring (3) ofthe fuel cut off solenoid.
3. Unscrew the air cleaner flange mounting nuts, and remove
the air cleaner flange (6).
4. Remove the carburetor (2) carefully to prevent the governor
joint rod (5) and spring (1) from deforming.
5. Remove the carburetor flange.
6. Remove the cover (7).
(1) Spring
(5) Governor JOint Rod
(2) Carburetor
(6) Air Cleaner Flange
(3) Wiring
(7) (over
(4) Governor Lever
Manifold and Cylinder Head Cover
1 Remove
the governor spring (3).
2. Unscrew the inlet manifold mounting screws, and remove
the inlet mani fold (2).
3. Unscrew the cylinder head cover cap nuts, and remove the
cylinder head cover (1).
(When reassembling)
•
Apply engine oil to the cylinder head cover cap nuts before
reassembling.
Tightening torque
Cylinder head cover
cap
nut
3.9
to 5.9 N'm
0.4 to 0.6 kgf.m
2.9 to 4.3 ft·lbs
(1) Cylinder Head Cover
(3) Governor Spring
(2) Inlet Manifold
Rocker Arm Assembly
1. Unscrew the rocker arm bracket mounting nuts (1). and
remove
the rocker arm assembly (2).
2. Pull out the push rods (3).
(When reassembling)
•
When putting the push rods onto the tappets. check to see if
their ends are properly engaged with the grooves.
•
Apply engine oil to the rocker arm bracket mounting nuts
before reassembling .
• IMPORTANT
•
After installing the rocker arm assembly, be sure to check
the valve clearance.
Tightening torque
Rocker arm bracket
mounting nut
9.81 to 11.28 N·m
1.00
to 1.15 kgf.m
7.23 to 8.32 ft-Ibs
(1) Rocker Arm Bracket Mounting
(2) Rocker Arm Assembly
Nut
(3) Push Rod
S.1-59
207