Hale MBP Booster - Manual (Page 76)

75 Silencer Series Booster Pump, p/n: 029-0020-83-0
Preventive Maintenance
❑
CAUTION !
MECHANICAL SEALS ARE PRECISION ENGINEERED DEVICES. EXTREME
CARE MUST BE TAKEN TO ENSURE THAT NO DAMAGE OCCURS TO THE
MATING FACES. ENSURE THAT THE FACES ARE ABSOLUTELY CLEAN
THROUGHOUT THE ENTIRE INSTALLATION. SOLID FACES MUST BE
CLEANED WITH AN APPROPRIATE DEGREASER AND A SOFT CLOTH.
2. From the pump head, remove the:
❑ Mechanical seal spring
❑ Seal diaphragm and retainer
❑ Seal, stationary seat
(See Figure 6-8: “Mechanical Seal Overview / Replacement,” on page 74.)
3. Removing the mechanical seal renders it defective and it must be replaced.
Installing Seal
(See Figure 6-8: “Mechanical Seal Overview / Replacement,” on page 74.)
1. See CAUTION ! warning on pape 75.
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.
3. Ensure that the pump body and impeller bores and all mating surfaces of the
mechanical seal assembly are absolutely clean throughout the entire installa-
tion process.
4. Apply a generous coating of Pac-Ease Rubber Lubricant Emulsion (or equal)
to the O-ring on the seal head assembly and the pump shaft and seal areas.
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 EQUAL) ON
THE RUBBER MECHANICAL SEAL PARTS TO EASE INSTALLATION. USING
ANY OTHER LUBRICANT CAN DAMAGE THE SEAL AND SEAT.