Hyundai 250D-9 Manual page 178

(6) (6) Prime Prime
Do not open the high-pressure fuel system Do not open the high-pressure fuel system
with the engine running. Engine operation with the engine running. Engine operation
causes high fuel pressure. High-pressure causes high fuel pressure. High-pressure
fuel spray can cause serious injury or death. fuel spray can cause serious injury or death.
①
Cycle the starting switch and allow the lift pump
to run. The lift pump will run for 30 seconds.
Afterwards, turn the starting switch off and back
on again allowing the lift pump to run again.
②
Allow the lift pump to run for three or four
30-second cycles before attempting to start the
engine.
(7) (7)
Finishing steps Finishing steps
①
Operate the fuel lift pump to help prime the fuel
system. Turn the starting switch to ON, but do
not attempt to start the engine. This will cause
the ECM to operate the fuel lift pump through a
priming cycle which lasts at least 30 seconds.
Cycle the lift pump several times by keying off,
waiting 10 seconds and keying back on again.
②
Once the engine is started, slowly increase the
engine speed while air is purged from the fuel
plumbing.
13) 13) FUEL WATER SEPARATOR FUEL WATER SEPARATOR
Water can contain toxic and carcinogenic Water can contain toxic and carcinogenic
material. material.
Drain the water/fuel into a container and Drain the water/fuel into a container and
d i s p o s e o f i n a c c o r d a n c e w i t h l o c a l d i s p o s e o f i n a c c o r d a n c e w i t h l o c a l
environmental regulations. environmental regulations.
(1) Drain the water and sediment from the separator
daily.
(2) Shut off the engine.
Use your hand to open the drain valve.
(3)
(4) Open the drain valve until fluid drains out of the
drain tube.
Drain the filter sump until clear fuel is visible.
(5)
※
Drain the water when the warning lamp blinks Drain the water when the warning lamp blinks
and fault code 418 on the cluster. and fault code 418 on the cluster.
OFF
ON
Drain valve
Open
7-30
7709A6MI15
Close
7707A6MI08