Hale Q Series Muscle - Manual (Page 119)

119 MUSCLE (Midship) Pumps Installation, Operation, and Maintenance Manual
p/n: 029-0020-63-0
Repair and Corrective Maintenance 
WARNING!
THE LOWER PUMP BODY WEIGHS APPROXIMATELY 100 LBS (46 KGS). (SEE FIGURE
7-7: “QMAX / QTWO ASSEMBLY OVERVIEW,” ON PAGE 120.) SUPPORT THE LOWER
PUMP BODY AND IMPELLER ASSEMBLY WITH THE PROPER LIFTING DEVICE. FAIL-
URE TO DO SO COULD RESULT IN THE LOWER PUMP BODY AND IMPELLER ASSEM-
BLY FALLING, WHICH COULD RESULT IN SERIOUS PERSONAL INJURY, OR
PROPERTY DAMAGE.
3. Match mark the lower pump body, Autolube housing, and rear bearing housing
for easy and accurate reassembly. (See Figure 7-6: “AutoLube Assembly Over-
view,” on page 117.)
4. Drain the oil from the AutoLube - see heading “QMID/QMAX/QTWO AutoLube ®
Service” on page 116
5. Remove the:
 1/2”-13 UNC x 2” screws from the “top half” of the AutoLube bearing housing
and the pump body. (See Figure 7-7: “Qmax / Qtwo Assembly Overview,” on
page 120.)
 1/2”-13 UNC x 1-3/4” screws from the upper half of the rear bearing housing
and pump body.
 1/2”-13 UNC x 1-1/4” screws, from the lower pump body.
WARNING!
DO NOT REMOVE THE FOUR CAP SCREWS, ONE IN EACH CORNER OF THE LOWER
PUMP BODY, UNTIL THE LIFTING DEVICE IS IN POSITION. FAILURE TO DO SO COULD
RESULT IN THE LOWER PUMP BODY AND IMPELLER ASSEMBLY FALLING, WHICH
COULD RESULT IN SERIOUS PERSONNEL INJURY OR PROPERTY DAMAGE.
6. Position the lifting device to support the lower pump body, then remove the 5/8”-
11 UNC x 5” screws in each of the four corners of the lower pump body. (See Fig-
ure 7-7: “Qmax / Qtwo Assembly Overview,” on page 120.)
7. Lower the lower pump body and impeller assembly being careful that it does not
tip from the lifting device.
Move the assembly to a clean work area and clamp into a suitable and stable
holding device.
8. Remove the remaining screws from the lower half of the AutoLube, the rear bear-
ing housing, and the lower pump body.
9. Lift the impeller assembly from the lower pump housing and set aside.