EBARA EVMU - Manual (Page 14)

Ebara Stainless Steel Vertical Multistage EVMU
Instructions and Operation
Ebara Fluid Handling
www.pumpsebara.com 14
(t) 803 327-5005 • (f) 803 327-5097 rev. 11/10
(17) Carefully place the motor bracket (162) over the pump shaft and the tie rods and onto the outer
casing.
(18) replace the tie rod washers and nuts onto the tie rods finger tight.
(19) Commence staggered tightening of the tie rod nuts to ensure even distribution of pressure and
proper seating of the motor bracket onto the pump casing (007). Tighten all nuts to fit snugly.
See torque specifications, page 21.
(20) Slide the stationary seal seat (111-3)assembly over the shaft and into place. Secure the assembly
by installing and tightening the 4 socket head screws (120-3).
(21) re-install the shaft pin (131-1).
(22) re-install the coupling by sliding one half and then the other half of the coupling over the shaft
pin. Install the bolts in the lower half of the coupling tightening only until the shaft pin is secured
in place and the coupling will not fall down the shaft. Final tightening of the coupling bolts will
occur upon motor installation.
(23) For reinstallation of the motor, see Section 51A.
7b – replacement of Pump Hydraulic assembly
EVMU3 2 – EVMU3 12 EVMU10 2 – EVMU10 3
EVMU5 2 – EVMU5 6 EVMU18 2
EVMU 32 1
(1) remove the old mechanical seal assembly and the outer casing as detailed in Section 7A, steps
1-10.
(2) remove the old hydraulic assembly.
(3) Ensure that the proper replacement hydraulic (stack) assembly has been selected and provided
for the pump.
(4) Lift the replacement hydraulic (stack) assembly and place it onto the bottom casing (006) ensuring
that it is seated properly. The bottom impeller should slip into the casing wear ring.
(5) Using a new outer casing o-ring (115-1) apply a light film of lubricant such as Dow corning #4 or
similar to the o-ring and place it in the lower o-ring groove in the outer casing (007). Ensure that
it is seated smoothly and evenly in the groove.
(6) Place the outer casing (007) over the entire assembly and install into the bottom casing (006).
The outer casing may not seem to seat at this time, but the tie rods will be tightened in a later
step, which will complete the seating of the outer casing (007).
(7) Using a new outer casing o-ring (115/1), apply a light film of lubricant such as Dow Corning #4,
or similar, to the o-ring and place it into the o-ring groove on the upper pump body (007) ensuring
that it is seated smoothly into the o-ring groove.