Attach one end of the drain hose to drain valve
Open fill valve 1 for minimum of five minutes.
3. Put the other end of hose in a container to catch the
fuel. Open drain valve stem 4. Remove vent plug 5 and
Close fill valve 1 and rotate control valve 2 to
drain the fuel filter housing.
the Main Run position.
Remove cover () from the end of the filter
Changing Auxiliary Final Fuel Filters
Remove the five used filter elements from inside
the filter housing.
Wipe all sediment from inside the filter housing.
Install five new filter elements.
Inspect the cover O-ring seal. Install new seal if
Install cover 6.
Make sure vent plug 5 is installed, and drain
If the main final fuel filters have been used and there are
valve stem 4 is closed.
no replacement filters, the auxiliary filters may be used
for a maximum of 100 hours engine operation.