Hyundai Seasall S220P, Workshop Manual

Page: 118 / 150

Fuel System 117 Diesel Control System
Removal
☢
WARNING
• As the Piezo-Injector operates under maximum DC
200V, there may be a risk of an electric shock caused
by shorted control line etc. So when repairing the
injector or its wiring, disconnect the battery negative (-)
terminal from the battery and wait for about 30 seconds.
◉
CAUTION
• Common Rail Fuel Injection System operates
with extremely high pressure (approximately
1,600bar), so never perform any work on
injection system with engine running or within 30
seconds after the engine stops.
• Keep cleanly the parts and the working area
• Pay attention to a foreign substance.
• Just before installing injector, tube or hose,
remove the protect-cap attached on them.
• Do not remove injector except for special case.
- When installing Injector
- Wash the contact area of the injector and
replace the O-ring with a new one.
- Spread oil on the injector O-ring.
- To protect damage caused by shock, vertically insert
the injector into the cylinder head.
- When installing High Pressure Fuel Pipe
- Do not use again the used high pressure fuel
pipe.
- Install the flange nut correctly.
1. Turn ignition switch OFF and disconnect the negative
(-) battery cable
2. Disconnect the injector connector (A).
3. Disconnect the injector return line (B).
✍
NOTICE
Before connecting the injector return line or after
disconnecting the injector return line, check that the
plug bush was completely raised from the plug.
Otherwise fuel will leak around the injector’s nipple
because of broken plug..