Kubota G2000 4WS User Manual

G1700·G1800·G1900·G2000 WSM,10830
5.1 ENGINE
Symptom
low Oil Pressure
Probable Cause
• Engine oil insufficient
• Oil strainer clogged
•
Oi I fi Iter cartridge dogged
• Relief valve stuck with dirt
• Relief valve spring weaken or broken
•
Excessive oil clearance of crankshaft
bearing
•
Excessive oil clearance of rocker arm
boss
• Oil passage clogged
•
Different type of oil
• Oil
pump defective
Solution
Replenish
Clean
Replace
Clean
Replace
Replace
Replace
Clean
Use specified type of oil
Repair
or replace
Reference
Page
S.G-5
5.1-64
S.G-7
5.1-81
-
5.1-78,79
5.1-71
-
S.G-2
5.1-81,82
!
High Oil Pressure
•
Differenttype of oil
• Relief valve defective
Use specified type of oil
Replace
S.G-2
-
Engine
Overheated
• Engine oil insufficient
•
Fan belt broken or tensioned
improperly
• Coolant insufficient
• Radiator
net and radiator fin clogged
with dust
• Inside
of radiator corroded
• Coolant
flow route corroded
• Radiator cap defective
•
Radiator hose damaged
•
Thermostat defective
•
Water pump defective
• Overload running
Replenish
Replace
or adjust
Replenish
Clean
Clean
or replace
Clean
or replace
Replace
Replace
Replace
Replace
lessen
load
5.G-5
5.1-82
S.G-6
S.G-6,
11
S.G-14
5.G-14
5.1-83
5.G-15
5.1-83
S.1-84
-
SERVICING SPECIFICATIONS
ENGINE BODY
Item
Top Clearance
Compression
Pressure
Difference among Cylinders
Valve Clearance (Cold)
Valve Recessing
Factory
Specification
0.85 to 1.30 mm
0.0335 to 0.0511 in.
1.27 MPa
13.0 kgf/cm2
185 psi
Within 10%
0.145
to 0.185 mm
0.0059 to 0.0073 in.
0.75 to 0.95 mm
0.0295 to 0.0374 in.
Allowable Limit
-
0.88 MPa
9.0 kgf/cm2
128
psi
-
-
1.2mm
0.047 in.
Valve Seat
Width
Angle
2.12
mm
0.0835 in.
0.785 rad.
45.0°
-
-
Cylinder Head Surface
Flatness
-
0.05mm
0.0020 in.
S.1-47
195

Kubota G2000 4WS Specifications

General

Brand	Kubota
Model	G2000 4WS
Category	Tractor
Language	English