Trebor 620E Magnum - Manual (Page 23)

MAGNUM 620E PUMP OPERATION / MAINTENANCE MANUAL PAGE 23
Figure 4-3

Insert suction sleeve, check ball and O-ring carefully into check bore.
NOTE: The Suction Sleeves have a shoulder diameter larger than their body
diameter. Additionally the Suction Sleeves when compared to the Discharge
Sleeves have a thicker top region which acts as a robust contact point for the O-
rings.

Repeat insertion process with the discharge sleeve, check ball and O-ring.

Repeat process for second check bore.

Replace check cap seals and tighten check bore caps applying 45 in lbs.

Replace damper port seal and tighten damper plug applying 45 in lbs.

Install two shaft seals in shaft bore groove with slits 180

apart.

Thread one push plate onto shaft until push plate bottoms out on shaft
shoulder.

Tighten push plate to 48 oz-in, and then rotate until locking screw hole is
aligned with next available hole in shaft.

Install locking screw and tighten to 12 oz-in.

Place shaft insert tool onto shaft and insert shaft into bore (figure 4-4).