John Deere — 8. Install new filter element onto mounting base and

A John Deere service procedure — check it applies to your exact model before use.

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Procedure

1. 9. Install retaining ring onto mounting base and tighten
2. about 1/3 turn until ring “snaps” into the detent. DO
3. NOT overtighten the retaining ring.
4. 10. Bleed fuel system. See BLEED THE FUEL SYSTEM
5. in Section 04, Group 150 later in this manual.
6. 11. If applicable, connect water in fuel sensor connector.
7. 1. Disconnect fuel inlet line (A) and outlet line (B) and cap
8. connections on fuel transfer pump and fuel lines to
9. keep debris out of fuel system.
10. 2. Remove cap screws (C) and remove fuel transfer
11. pump assembly from cylinder block.
12. NOTE: The fuel transfer pump is driven by a push rod (D)
13. that rides on an eccentric camshaft lobe. The
14. cylinder head must be removed to remove this
15. push rod.
16. 3. Cover opening on cylinder block to prevent dirt from
17. entering the engine.
18. 4. Inspect face of pump lever for wear. If lever face is
19. worn flat or concave, replace pump.
20. 1. Install the fuel transfer pump to cylinder block with
21. pumping lever resting on top of push rod, using a new
22. O-ring. Tighten cap screws (C) to specifications.
23. Specification
24. Fuel Transfer Pump Cap
25. Screws—Torque

Source: manual:CTM220.pdf. Figures and steps are as documented; always cross-check against the official manual and any later revisions for your exact serial number before servicing.