Flowserve QLQ Vertical Worthington User Manual
Page 20
QLQ, QLQC USER INSTRUCTIONS ENGLISH 87900027 – 06/14
Page 20 of 61
c) Clean all threaded connections and any accessory
equipment.
d) Kerosene is recommended as the best solvent for
rust preventive applied by Flowserve, however any
coal tar distillate may be used as a solvent.
Be sure that all traces of rust
preventive are removed from the discharge (and
suction) flanges, the exposed shafting and all coupling
surfaces.
Sump and piping should be thoroughly
cleaned of all loose debris before starting installation.
4.1.3 Installation of pump with the suction barrel
(also referred as ‘can’)
If the pump includes a suction barrel (can), follow the
procedure as listed below. (See lifting instructions in
section 2.3)
4.1.3.1 Pump equipped with separate foundation
plate
a) Install and level the foundation plate as first.
Refer to section 4.3 for foundation, grouting and
foundation bolts.
b) Install the suction barrel, level and fix it to the
foundation plate.
c) Install the complete pump into the suction barrel.
d) Fix the suction head to the suction barrel
tightening the bolts.
e) If pump is equipped with thrust bearing and
mechanical seal, refer to special instruction
described in section 4.1.6.
f) Install the motor stool (if separate from suction
head).
4.1.3.2 Pump equipped without separate
foundation plate
a) Install the suction barrel first and grout the
mounting flange and bolts directly to the
foundation. Refer to section 4.3 for foundation,
grouting and foundation bolts.
b) Install the complete pump into the suction barrel.
c) Fix the suction head to the suction barrel
tightening the bolts.
d) If pump is equipped with thrust bearing and
mechanical seal, refer to special instruction
described in section 4.1.6.
e) Install the motor stool.
f) Install the driver and fix it on the motor stool
flange following the instructions in section 4.1.8.
g) Follow the alignment procedure as per Section
4.5.
4.1.4 Installation of pump in wet pit (sump)
See sections 4.3.1~4.3.2 for pump leveling details.
Position lifting equipment so it will center over the
foundation opening.
Refer to section 2.3.1 for handling instruction
4.1.4.1 Pump equipped with foundation plate
a) Install and level the foundation plate as first.
Refer to section 4.3 for foundation, grouting and
foundation bolts.
b) Lift the pump to a vertical position. Check that the
strainers, if present, are correctly installed and
secured.
c) Position pump over sump. Align the discharge of
the pump with external piping then lower onto the
base.
d) If pump is equipped with thrust bearing and
mechanical seal, refer to special instruction
described in section 4.1.6.
e) Install the motor stool (if it's a separate piece) and
fix it to the discharge head.
4.1.4.2 Pump equipped with support beams
a) Install and level the supporting plates to support
the beams as first. Refer to section 4.3 for
foundation, grouting and foundation bolts.
b) Place the supporting beams near the well or pit
border, leaving the opening full accessible.
c) Lift the pump to a vertical position. If a strainer is
used, attach it to the bowl assembly.
d) Position pump over sump or suction barrel. Align
the discharge of the pump with external piping
then lower onto the well.
e) Keeping the pump suspended, place the support
beams in their position across the well and fix
them to the supporting plates.
f) Lower the pump, and fix the suction head to the
supporting beams.
g) If pump is equipped with thrust bearing and
mechanical seal, refer to special instruction
described in section 4.1.6.
h) Install the motor stool (if it's a separate piece) and
fix it to the discharge head.
Provide to install grids to close the
open spaces between the support beams and the pit
opening
Leaving unprotected and open room could cause
dangerous injuries to operators and accidental fall
down of materials/objects into the pit, with risk of
damages of the pump.