Hale RSD - Manual (Page 92)

❑ Mechanical Seal
92 Mechanical Seal Replacement
March 2006, Rev-A
CAUTION ! - continued
ENSURE THAT THE FACES ARE ABSOLUTELY CLEAN THROUGHOUT THE
ENTIRE INSTALLATION. SOLID FACES MUST BE CLEANED WITH AN APPRO-
PRIATE DEGREASER AND A SOFT CLOTH.
2. From within the volute and/or pump head, and using a hook-type tool, reach
in and remove the:
❑ Mechanical seal spring
❑ Seal diaphragm and retainer
❑ Seal, stationary seat
(See Figure 6a-1: “Mechanical Seal Overview / Replacement” on page 91.)
Removing the mechanical seal renders it inoperative and it must be
replaced.
3. After all components are removed, carefully inspect clearance rings and
other parts for excessive wear or damage. Replace accordingly.
It is recommended to always use Hale genuine replacement parts for opti-
mum safety of the equipment and its operators and to avoid unnecessary
downtime.
Installing Seal
(See Figure 6a-1: “Mechanical Seal Overview / Replacement” on page 91.)
1. See CAUTION ! warning beginning on pape 91.
2. Clean the bore of the pump head using alcohol swabs. Solid running faces
must be cleaned with alcohol wipes, supplied with the Hale repair kit.
WARNING !
OIL AND GREASE WILL DAMAGE THE MECHANICAL SEAL FACE. DO NOT
TOUCH THE FACE OF THE MECHANICAL SEAL.
USE ONLY PAC-EASE RUBBER LUBRICANT EMULSION (OR EQUIVALENT) ON
THE RUBBER MECHANICAL SEAL PARTS TO EASE INSTALLATION. USING
ANY OTHER LUBRICANT CAN DAMAGE THE SEAL AND SEAT.