Trebor 120D Mega - Manual (Page 18)

PAGE 18 MEGA 120D PUMP OPERATION / MAINTENANCE MANUAL
Figure 4-3

Install pilot cap seal.

Thread pilot valve cap to engage seal. Tighten to 30 in-lbs.

Repeat process for both heads

Install label cap (Slave Head only).
4.8.b Shuttle Spool Assembly

Hold shuttle spool (item 1) upright and align slot in detent legs (item 2) with notch on
shuttle spool, see Fig. 1.

Apply pressure upward onto base of detent legs with thumb and index finger, as
shown in Fig. 2.

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.
See Fig. 3. The completed assembly should look like Fig. 4.