832969 20 Mercruiser FUSE, Mini - Yellow - 20 Ampere

M.C.S. Duplex Primary Fuel Filter Base
Table 1
Required Tools
Tool Part Number Part Description Qty
A 185-3630 Strap Wrench As 1
Ensure that all adjustments and repairs that are carried out to the fuel system are performed by authorized personnel that have the correct training.Before beginning ANY work on the fuel system, refer to Operation and Maintenance Manual, "General Hazard Information and High Pressure Fuel Lines" for safety information. Refer to System 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.
Care must be taken to ensure that fluids are contained during performance of inspection, maintenance, testing, adjusting, and repair of the product. Be prepared to collect the fluid with suitable containers before opening any compartment or disassembling any component containing fluids.Refer to Special Publication, NENG2500, "Dealer Service Tool Catalog" for tools and supplies suitable to collect and contain fluids on Cat® products.Dispose of all fluids according to local regulations and mandates.
The engine can start automatically. Ensure that the power supply is isolated before any service or repairs is performed.
Turn the fuel supply to the OFF position.
Illustration 1 g03351962
Using Tooling (A), remove fuel filters (7). Refer to Operation and Maintenance Manual, "Fuel System Primary Filter (Water Separator) Element - Replace".
Disconnect hose assembly (4).
Disconnect hose assembly (2).
Disconnect harness assembly (1).
Disconnect harness assembly (3),
Remove bolts (5) and remove fuel filter base (6). There are two bolts in total. Installation Procedure
M.C.S. Duplex Primary Fuel Filter Base
Install fuel filter base (6) in the reverse order of removal. Removal Procedure
M.C.S Duplex Secondary Fuel Filter Base
Table 2
Required Tools
Tool Part Number Part Description Qty
A 185-3630 Strap Wrench As 1
Ensure that all adjustments and repairs that are carried out to the fuel system are performed by authorized personnel that have the correct training.Before beginning ANY work on the fuel system, refer to Operation and Maintenance Manual, "General Hazard Information and High Pressure Fuel Lines" for safety information. Refer to System 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.
Care must be taken to ensure that fluids are contained during performance of inspection, maintenance, testing, adjusting, and repair of the product. Be prepared to collect the fluid with suitable containers before opening any compartment or disassembling any component containing fluids.Refer to Special Publication, NENG2500, "Dealer Service Tool Catalog" for tools and supplies suitable to collect and contain fluids on Cat® products.Dispose of all fluids according to local regulations and mandates.
The engine can start automatically. Ensure that the power supply is isolated before any service or repairs is performed.
Turn the fuel supply to the OFF position.
Illustration 2 g03351978
Using Tooling (A), remove fuel filters (6). Refer to Operation and Maintenance Manual, "Fuel System Secondary Filter - Replace".
Disconnect hose assembly (2).
Disconnect hose assembly (3)
Disconnect harness assembly (4).
Disconnect harness assembly (5).
Remove bolts (1) and remove fuel filter base (7). There are four bolts in total. Installation Procedure
M.C.S. Duplex Secondary Fuel Filter Base
Install fuel filter base (7) in the reverse order of removal.