Isuzu Tilt Slide FYJ2000 Instruction Manual page 374

7-46
SERVICE AND MAINTENANCE
Changing the Fuel Filter Element
Engine-side Main Fuel Filter
1. Loosen the air bleeder plug.
2. Loosen the drain plug to discharge
water and sediment from inside the
filter.
3. Tighten the drain plug, and then bleed
off air in the filter.
Air bleeder plug and drain plug
6.9 ± 2 N·m (0.7 ± 0.2 kgf·m/61 ± 17 lb·in)
Bleeding the Fuel System
→ Refer to page 8-13
Vehicle-side Pre-fuel Filter
1. Loosen the drain plug at the bottom of
the fuel filter to drain out the fuel from
the clear element case.
2. Disconnect the water separator switch
connector.
3. Carefully turn the element case
counterclockwise and remove the
clear element case from the filter
body.
4. Pull out the element downward and
remove the O-ring.
5. Attach the new O-ring to the groove
in the periphery of the clear element
case, making sure that it is not
damaged by the screw threads.
6. After lightly coating the gaskets of
the new filter element with diesel fuel,
place the element until it touches the
filter body.
7. After lightly coating the O-ring in the
element case with diesel fuel, slowly
turn the element case clockwise. Be
careful not to let the O-ring catch in
the screw threads.