Technical information

The operator must be
certain the stationary seal
member is fully squared
and seated in cavity.
13. Slide the rotating member
onto the lubricated pump
shaft (figure 5.5J). The
operator must be certain
not to damage or tear
rubber bellows assembly.
14. Place the spring onto the
rotating member.
15. Align the impeller, spring
and rotating member
before reinstalling the
impeller (figure 5.5K). The
operator must be certain
the spring and rotating
member are aligned before
the impeller is fully tighten
and the impeller retaining
screw is reinstalled.
16. Clean pump casing,
cavities, impeller and O-
ring before reassembly.
17. Mate the motor and motor
adapter to the pump
casing. Reinstall the pump
casing bolts.
18. Reconnect the motor
power cord and leads.
19. Restore all cover panels as
were removed.
E. When the pump seal replacement
procedure is complete, the
operator should check for leaks
before restarting the unit according
the section 3.
Page: 38
VL Series Portable Chillers, 2 to 40 Tons UGH021/0301
Stationary member
Figure 5.5I
Rotating member
Figure 5.5J
Seal members
Figure 5.5K
Seal components
Figure 5.5H