Kubota G2000 4WS User Manual

G1700G1S00·G1900·G2000 WSM,10830
S.l ENGINE
Reference
Symptom
Probable Cause
Solution
Page
Low Oil Pressure
• Engine
oil insufficient
Replenish
S.G-5
• Oil strainer clogged
Clean
5.1-20
• Oil
filter cartridge clogged
Replace
5G-7
• Relief valve stuck
with dirt
Clean
5.1-37
• Relief valve spring
weaken or broken
Replace
-
• Excessive oil clearance of crankshaft
Replace
5.1-34,35
bearing
• Excessive oil clearance of rocker arm
Replace
5.1-27
boss
• Oil passage clogged
Clean
-
• Different type of oil
Use specified type of oil
S.G-2
• Oil pump defective
Repair
or replace
5.1-37,38
High Oil Pressure
•
Different type of oil
Use specified type of oil
S.G-2
• Relief valve defective
Replace
Engine
• Engine
oil insufficient Replenish
S.G-5
Overheated
• Fan belt broken or tensioned
Replace
or adjust
5.1-38
improperly
Replenish
•
Coolant insufficient
S.G-6
• Radiator net and radiator fin clogged Clean
S.G-6, 11
with dust
•
Inside of radiator corroded
Clean
or replace
S.G-14
•
Coolant flow route corroded
Clean
or replace
S.G-14
Replace
• Radiator cap
defective
5.1-39
Replace
• Radiator hose damaged
5.G-15
Replace
• Thermostat
defective
5.1-39
• Water pump defective Replace
5.1-40
Lessen load
• Overload
running
-
SERVICING SPECIFICATIONS
ENGINE BODY
Item Factory Specification
Allowable limit
Top Clearance 0.50 to 0.65 mm
0.0197 to 0.0256 in.
-
Compression Pressure
2.84
to 3.24 MPa
29
to 33 kgfkm2
412 to 469 psi
2.26 MPa
23 kgfkm2
327
psi
Difference among Cylinders
Within 10% -
Valve Clearance (Cold) 0.145 to 0.185 mm
0.0059 to 0.0073 in.
-
Valve Recessing
-0.10to 0.10 mm
- 0.0039 to 0.0039 in.
0.30mm
0.0118 in.
Valve Seat
Width
2.12 mm
0.0835 in.
-
Angle
0.785 rad.
45.0~
-
Cylinder Head Surface
Flatness
-
0.05mm
0.0020 in.
S.1-3
149

Kubota G2000 4WS Specifications

General

Brand	Kubota
Model	G2000 4WS
Category	Tractor
Language	English