Heat King IDF1000 Operation Manual page 27

Replace the fuel filter at specified intervals
to prevent contaminants from adversely af-
fecting the diesel fuel flow.
1. Stop the engine and allow it to cool.
2. Close the fuel shut off valve.
3. Loosen retaining ring.
4.Carefully remove the cup, pour the fuel
into an approved container and dispose of
waste properly.
5. Remove the fuel filter by pulling it down.
6. Replace the fuel filter with a new one
(see pg. )
7. Wash the inside of the cup.
8. Check condition of the O-ring, replace if
necessary.
9. Install the cup to the mounting flange and
tighten the retaining ring, hand tighten only.
10. Open the fuel off valve.
11. Check for leaks.
Fuel filter and water separator
Drain the fuel/Water separator whenever
there are contaminants such as water col-
lected in the bottom of the cup. Never wait
until the scheduled periodic maintenance if
contaminants are found.
The separator cup is transparent. In the cup
is a red colored float ring. The float ring will
rise to the surface of the water to show how
much needs to be drained.
1. Position approved container under the
fuel/water separator to collect the contami-
nants.
2. Close the fuel shut off valve.
3. Loosen the retaining ring.
4. Carefully remove the cup, retaining spring
and float from the cup. Pour the contami-
nated fuel into an approved container and
dispose of waste properly.
5. Clean the inside of the cup.
6. Inspect the condition of the mesh filter,
clean as necessary.
7. Inspect the condition of the O-ring and
replace as necessary.
8. Put the float and retaining ring back in-
side the cup.
9. Reinstall the cup to the mounting flange
and tighten the retaining ring, hand tighten
only.
10. Open the fuel shut off valve.
11. Check for fuel leaks.
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