160 S450 Operation & Maintenance Manual
FUEL SYSTEM (CONT’D)
Removing Air From The Fuel System
After replacing the filters or if the fuel tank has run out of
fuel, the air must be removed from the fuel system before
starting the engine.
AVOID INJURY OR DEATH
Diesel fuel or hydraulic fluid under pressure can
penetrate skin or eyes, causing serious injury or
death. Fluid leaks under pressure may not be visible.
Use a piece of cardboard or wood to find leaks. Do
not use your bare hand. Wear safety goggles. If fluid
enters skin or eyes, get immediate medical attention
from a doctor familiar with this injury.
W-2072-EN-0909
Figure 214
Open the air vent plug (Item 1) [Figure 214] on the fuel
filter base.
Figure 215
Squeeze the hand pump (priming bulb) (Item 1)
[Figure 215] until fuel flows from the vent with no air
bubbles.
Close the vent (Item 1) [Figure 214].
AVOID INJURY OR DEATH
Always clean up spilled fuel or oil. Keep heat, flames,
sparks or lighted tobacco away from fuel and oil.
Failure to use care around combustibles can cause
explosion or fire.
W-2103-0508
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