Put the linkage end of the spool in a vise and install the MEL 1285 Compression Spring Tool (Item 1) [Figure 20-40-65]
Remove the bolt (Item 1) [Figure 20-40-66] holding the centering spring to the spool.
Installation: Tighten the bolt to 90-100 in.-lb. (10,2-11,3 N•m) torque.
Remove the spring tool from the centering spring assembly. Remove the back-up washer and spool seal.
Inspect the adapter (Item 1), collar (Item 2), spring (Item 3), washer (Item 4), bushing (Item 5), and spool seal (Item 6) [Figure 20-40-67].
Remove the spool seal (Item 1) [Figure 20-40-68] from the linkage end of the control valve.
Assembly: Always use a new spool seal.