Isuzu KB P190. Manual - part 387
FUEL SYSTEM (4JK1/4JJ1) 6C-7
g. Check that the warning lamp in the meter is off.
2. Draining with drain plug in engine room.
a. With the engine off, open the engine hood and
loosen the drain plug (1) located on the left
hand side of the engine room. (3-4 turns)
b. Turn the starter switch to the “ON” position for
10 seconds, and then turn the starter switch to
the “OFF” position for 10 seconds. Then, once
again turn the starter switch to the “ON”
position for 10 seconds.
c. Tighten the drain plug firmly.
d. After starting the engine, check that there is no
fuel leakage from the drain plug. Also check
that the water separator indicator has turned
off.
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NOTE:
• If the water separator requires frequent draining,
have the fuel tank drained at your ISUZU/GM
Dealer.
• Be sure to stop the engine when draining the fuel
tank.
• Confirm that there are no combustible materials
under the drain hose, and use a receptacle to
catch the drained water.
Engine starting cautions
• Before starting the engine, turn the ignition switch
to the “ON” position. Wait 15 seconds. Return the
switch to the “LOCK” position. Repeat this
procedure 5 times.
• After starting the engine, allow it to idle for 10
minutes.
Fuel Pump Functional Check
1. Turn the starter switch to “ON” position.
2. Touch the under portion of the Fuel Tank by the
hand as shown in the following figure within 12
seconds.
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Legend
1. Touch this area by the hand
3. Make sure a vibration by the Fuel Pump is
detected.
Fuel Pump stops within 12 seconds of turning the
starter switch to the “ON” position.
When the check is repeated, return the starter
switch to the “LOCK” position for 10 – 15 seconds
and perform procedures 1 – 3.
WARNING:
FUEL PUMP FUNCTIONAL CHECK
MUST BE CONDUCTED UNDER THE FOLLOWING
CONDITIONS TO AVOID INJURY.
•••• APPLY THE PARKING BRAKE.
•••• STOP THE ENGINE.