852776 8 Mercury BOLT, (M6 x 16)

Note: Refer to Systems Operation, Testing, and Adjusting, "Cleanliness of Fuel System Components" for detailed information on the standards of cleanliness that must be observed during ALL work on the fuel system.
Ensure that the engine is stopped before any servicing or repair is performed.
Fuel System Primary Filter (Water Separator) Element for Electric Fuel Priming Pump
Remove the Element
Turn the fuel supply valve (if equipped) to the OFF position before performing this maintenance.
Place a suitable container under the water separator to catch any fuel that might spill. Clean up any spilled fuel. Clean the outside body of the filter assembly.
Illustration 1 g06304505
Typical example
Install a suitable tube onto drain (2). Open the drain valve (1). Rotate the drain valve fully counterclockwise. Two full turns are required.
Allow the fuel to drain into the container.
Remove the tube from the drain (2).
Remove the wiring harness from connection (3).
Rotate filter bowl (5) counterclockwise and remove the filter bowl from assembly.Note: If a strap wrench is required to loosen the filter bowl (5), ensure that the strap is positioned in the middle of the ribbed section. To avoid damage or mechanical failure, do not position the strap around the clear area. Do not apply loads to the clear plastic bowl and the joint of the black plastic section of the lower bowl.
Illustration 2 g06304508
Typical example
Remove the filter element (4). Clean the filter bowl.Install the New Filter Element
Illustration 3 g06304524
Typical example
After repositioning the self-venting drain up, locate the thread in the new filter element (6) onto the thread (7). Spin on the filter element and tighten the drain valve (2) securely.
Lubricate the lip (Position (X)) with clean engine oil. Do NOT fill the bowl with fuel before the assembly is installed.Note: Do not use a tool to install the filter assembly.
Align the filter bowl (5) to the assembly. Rotate the filter bowl (5) clockwise by hand. Rotate the filter bowl (5) until there is no visible gap between the element and the filter bowl and the assembly.
Remove the container and dispose of the fuel in a safe place.
Install the wiring harness to connection (3).
The secondary filter element (if equipped) must be replaced at the same time as the primary filter element. Refer to the Operation and Maintenance Manual, "Fuel System Secondary Filter - Replace".Fuel System Primary Filter (Water Separator) Element for Manual Fuel Priming Pump
Remove the Element
Turn the fuel supply valve (if equipped) to the OFF position before performing this maintenance.
Place a suitable container under the water separator to catch any fuel that might spill. Clean up any spilled fuel. Clean the outside body of the filter assembly.
Illustration 4 g06398147
Typical example
Install a suitable tube onto drain (2). Open the drain valve (1). Rotate the drain valve fully counterclockwise. Two full turns are required.
Allow the fuel to drain into the container.
Remove the tube from the drain (2).
Remove the wiring harness from connection (3).
Rotate filter bowl (5) counterclockwise and remove the filter bowl from assembly.Note: If a strap wrench is required to loosen the filter bowl (5), ensure that the strap is positioned in the middle of the ribbed section. To avoid damage or mechanical failure, do not position the strap around the clear area. Do not apply loads to the clear plastic bowl and the joint of the black plastic section of the lower bowl.
Illustration 5 g06398170
Typical example
Remove the filter element (4). Clean the filter bowl.Install the New Filter Element
Illustration 6 g06304524
Typical example
After repositioning the self-venting drain up, locate the thread in the new filter element (6) onto the thread (7). Spin on the filter element and tighten the drain valve (2) securely.
Lubricate the lip (Position (X)) with clean engine oil. Do NOT fill the bowl with fuel before the assembly is installed.Note: Do not use a tool to install the filter assembly.
Align the filter bowl (5) to the assembly. Rotate the filter bowl (5) clockwise by hand. Rotate the filter bowl (5) until there is no visible gap between the element and the filter bowl and the assembly.
Remove the container and dispose of the fuel in a safe place.
Install the wiring harness to connection (3).
The secondary filter element (if equipped) must be replaced at the same time as the primary filter element. Refer to the Operation and Maintenance Manual, "Fuel System Secondary Filter - Replace".