Removing Intake Throttle Valve; Removing Egr Valve; Removing Common Rail - Kubota D1803-CR-E4 Workshop Manual

4. ENGINE
5. Remove the turbocharger assembly (5).
NOTE
• Put tape or cover on all openings to prevent
damage in the oil holes in the turbocharger
by unwanted materials.
(1) Oil pipe joint screw
(2) Oil pipe
(3) Inlet hose
(4) Inlet hose

5.9 Removing intake throttle valve

1. Remove the air cleaner flange (1).
2. Remove the intake throttle valve (2).
NOTE
• Do not disassemble the intake throttle valve
(2).
(1) Air cleaner flange

5.10 Removing EGR valve

1. Disconnect the cooler pipe (1), (3) of EGR valve (2).
2. Remove the EGR valve (2).
NOTE
• Do not disassemble
assembly.
4-120
(5) Turbocharger assembly
(6) Return pipe
(2) Intake throttle valve
the EGR valve
D1803-CR-E4,D1803-CR-TE4,D1803-CR-TIE4,V2403-CR-E4,V2403-CR-TE4,V2403-CR-TE4BG,V2403-CR-TIE4
(1) Cooler pipe
(2) EGR valve

5.11 Removing common rail

CAUTION
• Do not loosen the injection pipe (1) when the
fuel is under high pressure (within five minutes
of stopping the engine).
NOTE
• Replace the rail assembly if the exchange of the
pressure limiter (3) or the rail pressure sensor
(5) is necessary.
• Do not remove the pressure limiter (3) and rail
pressure sensor (5) from the common rail (4).
• When removing the common rail (4), do not
hold it by the pressure limiter (3) and rail
pressure sensor (5).
1. Remove the injection pipe (1).
2. Remove the overflow pipe and hose (2).
IMPORTANT
• Store the injection pipe (1) so it does not get
any dust in it.
(1) Injection pipe
SERVICING
5. Disassembling
(3) Cooler pipe
(2) Overflow pipe and hose
KiSC issued 12, 2018 A