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MAGNUM 620D PUMP OPERATION / MAINTENANCE MANUAL
Figure 4-5
•
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 seals and tighten check bore caps to 45in-lbs.
•
Install seal and damper plug using 3/4” pin tool. Torque to 45in-lbs.
•
Install two shaft seals in shaft bore groove with slits 180
apart.
•
Thread shaft into push plate until engagement with the shaft shoulder is
achieved. Finally,
apply a ¼” turn to ensure proper installation
.
•
Insert shaft through shaft bore using shaft bullet as shown (This prevents
damage to the TFE shaft seals and prevents dislodgement of shaft seals).