158 S450 Operation & Maintenance Manual
FUEL SYSTEM (CONT’D)
Fuel Filters
Removing Water
See the SERVICE SCHEDULE for the correct service
interval. (See SERVICE SCHEDULE on Page 134.)
Stop the engine and open the rear door.
Figure 212
Loosen the drain (Item 1) [Figure 212] at the bottom of
the filter to remove trapped water from the filter.
Securely tighten the drain.
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
Close the rear door.
Replacing Spin-on Filter
See the SERVICE SCHEDULE for the correct service
interval. (See SERVICE SCHEDULE on Page 134.)
Stop the engine and open the rear door.
Remove the fuel filter (Item 2) [Figure 212].
Clean the area around the filter base. Put clean oil on the
seal of the new filter. Install the filter and hand tighten.
Remove air from the fuel system. (See Removing Air
From The Fuel System on Page 160.)
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
Close the rear door.
Start the engine and allow to operate for one minute.
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
Stop the engine and check for leaks at the filter.
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