Pentair MYERS CT Serie Instrucciones De Instalación Y Servicio página 5

Installation of Rotating Part of Seal Unit (Figure 3D)
1. Reinstall seal plate using extreme caution not to hit
ceramic portion of seal on motor shaft.
2. Inspect shaft to make sure that it is clean.
3. Clean face of sealing washer with clean cloth.
4. Lubricate inside diameter and outer face of rubber drive
ring with soapy water and slide assembly on motor
shaft (sealing face first) until rubber drive ring hits shaft
shoulder.
5. Screw impeller on shaft until impeller hub hits shaft
shoulder. This will automatically locate seal in place and
move the sealing washer face up against seat facing.
Reinstall impeller screw (if used).
Mechanical seal
rotating half
A-Seal removal-rotating half
Figure 3
Figure 4
Mechanical seal
stationary half
Seal Plate
B-Seal removal-stationary half
A
A
IMPELLER
Screw on impeller and secure using impeller screw. Must be
stainless steel. NOTE: Capscrew has left-handed threads.
VOLUTE CASE
(a) Worn volute case will cause excessive leakage with a new
impeller, thereby reducing the amount of service obtained
from a new impeller.
(b) Assemble gasket and volute case with (4) 3/8"-16UNC hex
head cap screws 1-1/4" long.
Rotate pump shaft with fingers, being sure that there is no
tight spot or binding of assembly. A uniform drag of the seal
faces will be present.
3/4" socket
or pipe
Cardboard
washer
(supplied w/seal)
Polished
surface
Rubber
surface
C-Stationary half installation
SECTION A-A
5
Shaft
shoulder
Rubber drive
ring
Sealing
face
Impeller
D-Rotating half installation
5939 0109