Kubota D1803-CR-E4, Workshop Manual

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5. Check the subsequent valve clearance (5) at the
mark [1TC] with a feeler gauge.
NOTE
• If the clearance (5) is out of the service
specifications, adjust with the adjusting
screw (3).
• Tighten the lock nut (4) of the adjusting
screw.
Valve clearance
(5) (cold) Service specifi-
cation 0.18 to 0.22 mm
0.0071 to 0.0086 in.
Adjustable cylinder loca-
tion of piston
Valve arrangement
3 cylinder 4 cylinder
Intake
Ex-
haust
Intake
Ex-
haust
When No. 1 pis-
ton is at com-
pression top
dead center.
1 ☆ ☆ ☆ ☆
2 ☆ ☆
3 ☆ ☆
4 － －
When No. 1 pis-
ton is at overlap
position.
1
2
☆ ☆
3
☆ ☆
4
－ － ☆ ☆
(3) Adjusting screw
(4) Lock nut (5) Valve clearance
6. Install the removed parts.
Tightening tor-
que Cylinder head cov-
er screw
6.86 to 11.3 N
⋅
m
0.700 to 1.15 kgf ⋅ m
5.06 to 8.33 lbf
⋅
ft
8. Check points of every 1500
hours
8.1 Checking injector (with
Diagmaster)
Tools required
• Laptop computer (Diagmaster (software) installed)
• Interface (DST-i)
1. Connect the diagnosis tool.
2. Start "Diagmaster", then click the
[Active Test]
button (1) from the project window.
3. Select the "#1, 2, 3 and 4 Cylinder Injector Injection
Stop" item (2), then click the [proceed] button (3).
(1) Active Test button
(2) #1, 2, 3 and 4 Cylinder Injec-
tor Injection Stop item
(3) Proceed button
4. Select the "#Cylinder Injector Injection Stop" (7)
from the "select signal group" (8).
5. Select the "number of graph" (6).
6. Click the
[Start Active Test] button (4), then click
the [OK] button (5).
(4) Start Active Test button
(5) OK button
(6) Number of graph
(7) #Cylinder Injector Injection
Stop
(8) Select signal group
CHECK AND MAINTENANCE
8.Check points of every 1500 hours 3. MAINTENANCE
D1803-CR-E4,D1803-CR-TE4,D1803-CR-TIE4,V2403-CR-E4,V2403-CR-TE4,V2403-CR-TE4BG,V2403-CR-TIE4
3-17
KiSC issued 12, 2018 A