42917 3 Mercury STUD

Introduction
There have been isolated instances of issues with 353-3571 Filter Tube that are installed on certain C6.6 machine engines.
Do not perform any procedure that is outlined in this Special Instruction until you have read and understood the information that is contained in this document.
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.
Required Parts
Table 1
Required Parts    
Part Number     Part Description     Qty    
439-8115     Fuel Line     1    Removal Procedure
Table 2
Required Tools    
Tool     Part Number     Part Description     Qty    
A     278-4138     Fuel System Protection Gp     1    
Illustration 1 g03646083
Tube assembly with plastic section incorporated between the two steel sections
Turn the fuel supply to the OFF position.
Turn the battery disconnect switch to the OFF position.
Illustration 2 g03722979
Typical example
Illustration 3 g03722980
Typical example
Remove bolt (1) from the clip for tube assembly (6) .
Remove nut (3) from the clip for tube assembly (6). Remove nut (2) from bolt (8) .
If necessary, disconnect fuel injection line at fuel injection pump in order to improves access. Use Tooling (A) in order to plug the open port in fuel injection pump.
Remove tube assembly (6) from fuel injection pump (16) and secondary fuel filer assembly (5) .
Use Tooling (A) to cap the connection on secondary fuel filer assembly (5). Use Tooling (A) to cap the connection (15) on fuel injection pump.
Disconnect tube assembly (9) from secondary fuel filer assembly (5) .
Use Tooling (A) to cap the connection on secondary fuel filer assembly (5). Use Tooling (A) to plug the tube assembly (9) .
Disconnect tube assembly (7) from secondary fuel filer assembly (5) .
Use Tooling (A) to cap the connection on secondary fuel filer assembly (5). Use Tooling (A) to plug the tube assembly (7) .
Remove bolt (11) from bracket (10). Remove spacer (12). Remove bracket (10). Remove tube assembly (7) from clip (17) .
Remove bolts (8) for secondary fuel filer assembly (5). Remove spacer (4) from bracket (14). Remove secondary fuel filer assembly (5) .
Remove bolts (13) from bracket (14). Remove bracket (14) .Installation Procedure
Illustration 4 g03646163
Typical example
Remove the plug from the fuel connection. Install the new 439-8115 Fuel Line (1) to fuel connection (2). Orientate the tube assembly such that the fourth leg at Position (X) is vertical. Refer to illustration 4. Tighten the tube nut finger tight.
Illustration 5 g03646171
Typical example
Position bracket (4) onto the cover of the inlet manifold.
Install 6I-0260 Bolts (3) to the bracket (4). Tighten the bolts to a torque of 22 N m (195 lb in).
Illustration 6 g03645420
Typical example
Position the bracket (5) onto bracket (4) .
Install nuts (6). Tighten the nuts to a torque of 44 N m (32 lb ft).
Install bolt (7) finger tight.