Hale Q Series Muscle - Manual (Page 138)

 Packing and Mechanical Seal Maintenance
138 MUSCLE (Midship) Pumps Installation, Operation, and Maintenance Manual
p/n: 029-0020-63-0
23. Install #409 bearing and properly seat in the bearing housing.
24. Install the bearing retainer washer on impeller shaft end and secure using 5/8-11
(16 mm) screw. Tighten the screw and torque to 135 ft.-lbs. (183 N-m).
25. Re-install the gearbox - see heading “Installation - G Series” on page 112.
26. Operate the pump for about 15 minutes, and check the seal for leakage.
Qmax and Qtwo Pumps with K Series Gearbox
Review preceding sections “Before You Begin...,” on page 103 and “Cleaning and
Inspection Guidelines,” on page 106.
Removing the Seal
(See Figure 8-5: “QmaxK and QtwoK Mechanical Seal Assembly Overview.”) Also see
Figure 8-6: “Mechanical Seal Overview / Replacement” on page 139.
IMPORTANT!
IF WATER LEAKAGE FROM THE DRAIN HOLE IN THE PUMP HEAD IS NOTICED, THE
MECHANICAL SEAL MUST BE INSPECTED.
1. Remove the gearbox - see heading “K Series Gearbox” on page 114.
2. Remove bearing lock nut, lock washer, and support washer from impeller shaft.
(See Figure 8-5: “QmaxK and QtwoK Mechanical Seal Assembly Overview” on
page 139.)
3. Remove ¼"-20 x 1-1/2" socket head screw on thick leg of rear bearing housing.
4. Remove the smaller portion of the rear bearing housing (facing gearbox).It may
be necessary to remove the four ¼" x ¾" screws, bearing plate and bearing
before removing the smaller portion of the rear bearing housing.
5. Remove the larger spacer.
6. Remove gear and gear key.
7. Remove the smaller spacer.
8. Remove twelve 1/2”-13 screws securing the rear bearing housing to the pump
body.
9. Install two 1/2”-13 x 2-1/2” cap screws into the 1/2”-13 UNC threaded holes on
the rear bearing housing to use as jacking screws.