Mercury 250 XS OptiMax Operation, Maintenance & Installation Manual page 63

WATER SEPARATING FUEL FILTER
This filter removes moisture and debris from the fuel. If the filter becomes filled
with water, the water can be removed. If the filter becomes plugged with debris,
replace the filter. The warning system engages when water in the fuel filter
reaches the full level. Refer to Warning System in Features and Controls.
Refer to the Inspection and Maintenance Schedule for the proper
maintenance interval.
Removal
a a
c
1. Disconnect the link rod.
2. Use the shaft of a screwdriver between the filter cap bosses and unscrew
the filter.
Installation
1. Lubricate the O‑ring seals with oil.
2. Install the fuel filter and tighten securely.
3. Connect the link rod.
eng
MAINTENANCE
b
53
a - O‑ring seals
b - Filter
c - Raised bosses
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