Checking Radial Clearance Of Turbocharger; Checking Injector; Checking Suction Control Valve (Scv) - Kubota D1803-CR-E4 Workshop Manual

SERVICING
4. Checking and adjusting
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

Tools required
• Circuit tester
1. Disconnect the injector harness.
2. Measure the resistance between injector terminals
(1) and (2).
Service specifi-
Resistance
cation
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.
D1803-CR-E4,D1803-CR-TE4,D1803-CR-TIE4,V2403-CR-E4,V2403-CR-TE4,V2403-CR-TE4BG,V2403-CR-TIE4
0.35 to 0.55 Ω
(1) Terminal high
(2) Terminal low
(3) ID code
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).
Service specifi-
Resistance
cation
NOTE
• If the measurement is out of the service
specifications, replace the SCV.
(1) Terminal SCV+
(2) Terminal SCV－
4. ENGINE
(a) Injector
Approx. 2.1 Ω at 20 ℃
(68 ℉)
(a) Suction control valve (SCV)
4-107
KiSC issued 12, 2018 A