Kubota D1803-CR-E4 - Installing EGR Valve; Installing Intake Throttle Valve; Installing Turbocharger Assembly

5. T
ighten the injection pipe retaining nut to the
specified torque.
T
ightening tor-
que
Injection pipe re-
taining nut
24.5 to 29.4 N⋅m
2.50 to 2.99 kgf⋅m
18.1 to 21.6 lbf⋅ft
Overflow pipe joint
screw
20.0 to 29.0 N⋅m
2.04 to 2.95 kgf⋅m
14.8 to 21.3 lbf⋅ft
(4) Overflow pipe and hose (5) Injection pipe
6.35 Installing EGR valve
NOTE
• Do not disassemble the EGR valve assembly.
• Replace the gaskets with new ones.
1. Install the EGR valve (2).
2. Connect the cooler hoses (1), (3) of EGR valve (2).
(1) Cooler hose
(2) EGR valve
(3)
Cooler hose
6.36 Installing intake throttle valve
NOTE
• Do not disassemble the intake throttle valve (2).
•
Replace the gaskets with new ones.
• Intake throttle valve is not equipped with D1803-
TIE4 and V2403-TIE4.
1.
Install the intake throttle valve (2).
2. Install the air cleaner flange (1).
(1) Air cleaner flange (2) Intake throttle valve
6.37 Installing turbocharger
assembly
NOTE
• Before you
start the engine, make sure that the
air cleaner is in the correct position.
• Replace the gaskets with new ones.
1. Install turbocharger assembly (5).
NOTE
• Do not
let dust, dirt and other unwanted
materials in the oil pipes.
• Fill clean engine oil through the oil filler port
of the turbocharger.
Tightening tor-
que
Turbocharger as-
sembly mounting
nut
29.4 to 34.3 N⋅m
3.00 to 3.49 kgf⋅m
21.7 to 25.2 lbf⋅ft
2. Connect the return pipe (6) and oil pipe (2).
3. Tighten
the oil pipe joint screw (1) to the specified
torque.
Tightening tor-
que
Oil pipe joint screw
(1)
15.7 to 19.6 N⋅m
1.60 to 1.99 kgf⋅m
11.6 to 14.4 lbf
⋅ft
SERVICING
6. Assembling 4. ENGINE
D1803-CR-E4,D1803-CR-TE4,D1803-CR-TIE4,V2403-CR-E4,V2403-CR-TE4,V2403-CR-TE4BG,V2403-CR-TIE4
4-155
KiSC issued 12, 2018 A