Mercury 75 OptiMax Owner's Manual page 79

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Before servicing any part of the fuel system, stop the engine and
disconnect the battery. Drain the fuel system completely. Use an
approved container to collect and store fuel. Wipe up any
spillage immediately. Material used to contain spillage must be
disposed of in an approved receptacle. Any fuel system service
must be performed in a well‑ventilated area. Inspect any
completed service work for sign of fuel leakage.
FUEL LINE INSPECTION
Visually inspect the fuel line and primer bulb for cracks, swelling,
leaks, hardness, or other signs of deterioration or damage. If any
of these conditions are found, the fuel line or primer bulb must be
replaced.
FUEL FILTER REPLACEMENT
Removal
1. Use fuel filter tool 91‑896661 or use the shaft of a
screwdriver between the lugs on the filter cap and unscrew
the filter.
a
b
a -
Filter
b -
O‑rings
Installation
1. Lubricate the O‑ring seals with oil.
2. Install the fuel filter and tighten securely.
IMPORTANT: Visually inspect for fuel leakage from the filter
while squeezing the primer bulb until firm, forcing fuel into the
filter.
eng
MAINTENANCE
69
29594

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