Trebor 55D EVOLVE - Manual (Page 19)

EVOLVE 55D PUMP OPERATION / MAINTENANCE MANUAL PAGE 19
Figure 4-3: Shuttle Assembly Diagram
4.8.a.1 Shuttle spool assembly instructions (See Figure 4-4 for details)
• Hold shuttle spool (item 1) upright and align slot and in detent legs (item 2) with
notch on shuttle spool
• Apply pressure upward onto base of detent legs with thumb and index finger
• Tilt the detent ring (item 3) over one of the legs, and align the groove on the
inside of the detent ring with the end of the detent leg. Tilt the other side of the
ring down, expanding it slightly, so that the other detent leg snaps into the detent
ring groove.
Figure 4-4: Shuttle Spool Assembly
• Insert spool assembly into shuttle sleeve (do not lubricate spool or sleeve).
• Install seal onto seal groove shoulder of shuttle cap.
• Thread shuttle cap into head. Ensure that seal fully seats onto cap. (No gap should show
between seal and cap shoulder. Torque to 40 in-lbs.