EBARA EVMU - Manual (Page 18)

Ebara Stainless Steel Vertical Multistage EVMU
Instructions and Operation
Ebara Fluid Handling
www.pumpsebara.com 18
(t) 803 327-5005 • (f) 803 327-5097 rev. 11/10
(9) Carefully place the motor bracket (162) over the pump shaft and the tie rods and onto the outer
casing.
(10) replace the tie rod washers and nuts onto the tie rods finger tight.
(11) Commence staggered tightening of the tie rod nuts to ensure even distribution of pressure and
proper seating of the motor bracket (162) onto the pump casing (007). Tighten all nuts to fit
snugly. See torque specifications, page 21.
(12) Press the stationary seal and o-ring into the seal seat. Slide the stationary seal seat assembly
(111-3) (or cartridge seal assembly, if equipped) over the shaft and into place. Secure the
assembly by installing and tightening the 4 socket head screws (120-3).
Note: EVMU models 32, 45 and 64 After securing the seal in place as instructed above, tighten
the three setscrews in the locking collar.
(13) With the hole in the end of the pump shaft visible through the side opening of the motor bracket
(162), reinstall the motor adapter (051) and bearing assembly into the motor bracket. Be sure
that the motor mounting holes are aligned correctly and the hole in the end of the pump shaft is
lined-up with the hole in the back of the motor coupling behind the pump shaft.
(14) Next, reinstall the locking pin into the hole in the pump shaft making sure that it seats inside the
hole in the back of the coupling also. reattach the other coupling half and tighten the two coupling
bolts with an allen wrench. See torque specifications, page 21.
(15) For reinstallation of the motor, see Section 5B.
7E – replacing the Mechanical Seal
EVMU 32 3 – EVMU32 10-1
EVMU 45 2-1 – EVMU 45 7-2
EVMU 64 1 – EVMU 64 4
(1) remove the coupling guard on each side of the pump’s cast iron motor bracket (162).
(2) remove the two socket head bolts that hold the two halves of the lower spacer coupling together
(120-6). remove the front half of the shaft coupling which will then expose the shaft pin (131-1).
(3) Next, loosen but do not remove the four hex head bolts (120-5) that secure the remaining half of
the spacer coupling to the upper coupling and bearing assembly above. With these bolts loosened,
use pliers to carefully grasp and remove the shaft pin (131-1) from the pump shaft. This will
disengage the pump shaft from the coupling.
(4) Completely remove the four hex head bolts (120-5) that were loosened in the previous step.
With these bolts removed, remove the remaining half of the spacer coupling.
(5) remove the four retaining bolts from the stationary seal plate (120-3). Loosen the three
setscrews in the locking collar above the stationary seal plate and slide the entire cartridge seal
out of the pump.