Ford F-650 2018 Owner's Manual page 219

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2. Remove the clips that secure the air
filter housing cover. Push the air filter
cover forward (away from you) and up
slightly to release it.
3. Remove the air filter element from the
air filter housing.
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F650750 (TBC) , enUSA, Edition date: 201708, First Printing
Maintenance
4. Remove and install a new foam filter
if needed according to the service
interval indicated in the scheduled
maintenance information in this guide.
If you do not replace the foam filter, be
sure the existing foam filter is in place.
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5. Install a new air filter element. Be sure
that the groove seal on the pleated
paper filter traps both sides of the
vertical partition of the air box.
6. Engage the clips to secure the air filter
housing cover to the air filter housing.
Be careful not to crimp the filter
element edges between the air filter
housing and cover. Ensure that you
align the tabs on the edge properly into
the slots.
7. Reconnect the mass airflow sensor
electrical connector to the inlet tube.
Make sure the locking tab on the
connector is in the locked position.
Air Purge Procedure
Turn the key on for 30 seconds, and then
turn off. Repeat the procedure six times.
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