Kubota D1803-CR-E4 - Checking Injector; Checking Radial Clearance of Turbocharger; Checking Suction Control Valve (SCV)

4.18 Checking radial clearance of
turbocharger
1. Check the
radial clearance between the wheel and
the housing.
NOTE
• If the wheel touches the housing, replace the
turbocharger assembly with a new one.
4.19 Checking injector
T
ools required
• Circuit tester
1.
Disconnect the injector harness.
2. Measure the resistance between injector terminals
(1) and (2).
Resistance
Service specifi-
cation
0.35 to 0.55 Ω
NOTE
• If the measurement is out of the service
specifications, replace the injector.
• When replace the injector, write the ID code
(3) of replaced injector in the engine ECU
with the diagnosis tool.
(1) Terminal high
(2) T
erminal low
(3) ID code
(a) Injector
RELATED PAGE
7.56 Replacing injector on page 4-191
4.20 Checking suction control valve
(SCV)
Tools required
• Circuit tester
1.
Place the key switch in the OFF position.
2. Disconnect the SCV wiring harness connector.
3. Measure the resistance between SCV terminals (1)
and (2).
Resistance
Service specifi-
cation
Approx. 2.1 Ω at 20 ℃
(68 ℉)
NOTE
• If the
measurement is out of the service
specifications, replace the SCV.
(1) Terminal SCV+
(2) T
erminal SCV－
(a) Suction control valve (SCV)
SERVICING
4. Checking and adjusting 4. ENGINE
D1803-CR-E4,D1803-CR-TE4,D1803-CR-TIE4,V2403-CR-E4,V2403-CR-TE4,V2403-CR-TE4BG,V2403-CR-TIE4
4-107
KiSC issued 12, 2018 A