Water Flush Enclosed Line Shaft - Pentair Fairbanks Nijhuis 7100 19A Installation, Operation And Maintenance Manual

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The line shaft and enclosing tube is to
project out beyond the end of the
installed column.
6. Lift the column and bowl assembly
slightly. Remove the pipe clamp from
the bowl and lower the assembly into the
well. Reinstall the pipe clamp on the
upper end of the column directly below
the upper column threads. Lower the
assembly until the pipe clamp supports
the assembly on the foundation.
Measure the shaft projection. It should
conform to
measurement
previously on the bowl assembly.
7. Repeat the above steps until complete.
Continue to measure the shaft projection
after assembly of each shaft/tube/-
column section.
discharge head,
connector bearings by pouring oil down
the enclosing tube. Approximately one
pint of oil should be added for every 20
ft. of pump length.
Standard shaft and column lengths are
10 feet. Non-standard lengths of shafts
and column may be used to accomplish
the required overall pump length. Non-
standard shaft/column
always be assembled at the top of the
pump, directly under the discharge head.
Assembly procedure for underground
discharge units closely parallels that of
standard pumps with above ground
discharge heads.
Fairbanks Nijhuis™ submittal drawings
and setting plans.
8. Thread the top column adapter flange
onto the top column and tighten with
appropriate wrenches.
flange gasket and secure the discharge
head to the column adapter flange.
Fairbanks Nijhuis™
the shaft projection
taken and recorded
Before installing the
pre-lubricate
sections
Always refer to the
Install column
19A, 19B 7100 & 21H 7000 Vertical Turbine Pumps
When attaching the column to the
discharge head, make sure the flange is
timed with the pipe tapped hole in the
discharge head.
9. Install the bronze top tube tension nut
washer onto the top tube tension nut.
Coat both sides of the copper gasket
and the tension nut threads with sealant
prior to installation. Install the bronze top
tube tension nut gasket onto the top tube
tension nut.
10. Install the top tube tension nut over the
projecting line shaft and slide into
position
Remembering
threads are left handed, thread it into the
top enclosing tube. The threads should
engage the tube smoothly and allow the
washer and nut to seat squarely in the
counterbore of the discharge head.
Torque the top tube tension nut (refer to
the technical data page for correct
the torque values).

Water Flush Enclosed Line Shaft

Flanged Column
1. Using an appropriate hoisting system, lift
the pre-assembled bowl assembly and
position it above the well.
bowl assembly partially into the well and
attach a pipe clamp (see Figure #1) to
the upper most bowl directly under the
bowl discharge flange.
assembly, allowing it to be suspended on
will
the foundation via the pipe clamp.
2. Before proceeding with assembly, lay out
all line shaft, enclosing tube, column and
connectors.
items and arrange them in the order in
which they will be assembled. Oversized
diameter enclosing tube sections (if
used) must be installed at the bottom of
the assembly, directly above the pump
discharge bowl.
sections are used, special stepped
connector bearings are provided in order
to adapt them to the remaining standard
diameter enclosing tube sections.
in the discharge
that the tension
Lower the
Lower the
Inspect and identify all
When oversized tube
head.
nut
09/03/13