Hale MBP Booster - Manual (Page 75)

❑ Preventive Maintenance
74 Silencer Series Booster Pump, p/n: 029-0020-83-0
6.5 MECHANICAL SEAL ASSEMBLY
(See Figure 6-8: “Mechanical Seal Overview / Replacement.”) Also see Fig-
ure 6-4: “Booster Pump Parts Breakdown” on page 69.
Figure 6-8: Mechanical Seal Overview / Replacement
IMPORTANT !
IF WATER LEAKAGE FROM THE DRAIN HOLE IN THE PUMP HEAD IS
NOTICED, THE IMPELLER MUST BE REMOVED AND THE MECHANICAL SEAL
MUST BE INSPECTED.
Removing the Seal
1. To expose the mechanical seal, remove the volute and the impeller as
described in the following sections.
❑ “Servicing the Booster Pump,” on page 69
❑ “Volute (Pump Body),” on page 69
❑ “Impeller,” on page 71