Hale Q Series Muscle - Manual (Page 143)

143 MUSCLE (Midship) Pumps Installation, Operation, and Maintenance Manual
p/n: 029-0020-63-0
Packing and Mechanical Seal Maintenance
Impeller Assembly and Mechanical Seal Qflo, Qflo-Plus and Qpak
Pump
Review preceding sections “Before You Begin...,” on page 103 and “Cleaning and
Inspection Guidelines,” on page 106. Also see Figure 8-7: “Qflo / Qflo-Plus / Qpak
Mechanical Seal Assembly Overview” on page 144.
Removing the Mechanical Seal
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.
1. Remove the gearbox - see heading “G Series Gearbox” on page 110. For J
Series Gearbox, see heading “J Series Gearbox” on page 112.
2. Remove the twelve 7/16-14 UNC screws and remove the bearing housing from
the pump body. (See Figure 8-7: “Qflo / Qflo-Plus / Qpak Mechanical Seal
Assembly Overview” on page 144.)
3. Install 7/16”-14 UNC screws into the threaded holes on bearing housing to use as
jacking screws.