Flo Fab 1.25FFGP Series Manuale di installazione, funzionamento e manutenzione - Pagina 6
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IMPORTANT! - This pump is
not to be disassembled in
the eld except at certi ed
service stations or at the factory.
Warranty is void if pump is taken
apart for any reason other than to
replace grinder impeller and grinder
ring, which is covered in these
instructions.
Disassembly
This
is
the
only
operation permitted in the eld. All
other repairs must be performed at
an authorized service center or the
factory.
Standard tools required:
Standard socket wrench set.
Standard set of open end
wrenches.
Hammer.
Vise grip pliers.
Allen head socket set.
Screwdrivers.
Wire brush.
WARNING
Disconnect all power
and control wires to motor at
the control panel before
starting the disassembly
operations. Do not rely upon opening
the circuit breaker only.
IMPORTANT! - The pump
should be sanitized with
bleach
and
cleaned of trash and deposits before
starting disassembly operations.
Wear
protective
gloves
clothing. Always use a rag on the
impeller when turning to prevent
cutting hands on the sharp edges of
the shredding ring.
Shredding
Ring
and
Impeller
1. Hold the grinder impeller by
prying against the impeller cutting
bar and remove the allen head cap
screw from the end of the shaft.
2. Use a large screwdriver in the slot
end
of
(counterclockwise) on one of the
large cutter vanes with a hammer.
Tap in a counterclockwise direction
(thread is right hand).
3. If the impeller removes easily, clean
and replace if worn.
disassembly
4. Make sure the pump impeller has
not loosened when the grinder
impeller was removed. This can be
checked on reassembly of grinder
impeller and shredding ring. The tips
of the impeller cutter vanes should
extend 1/8" below the bottom of the
shredding ring. If the distance is
greater, the pump impeller has
loosened. If the distance is less, the
shredding ring is not properly seated.
5. After the volute case has been
removed, insert screwdriver in slot
end of shaft and tap hammer against
the outer vane of the ductile iron
pump impeller (clockwise) to ensure
it is threaded tight against shoulder
on shaft.
6. Use large screwdriver to tap
stainless steel cutter ring from cast
iron volute.
thoroughly
7. Clean all threads with a wire brush
and le smooth any nicked threads.
Use NEVER-SEEZE or other graphite
and
compound
replacing grinder impeller.
8. Make sure allen head cap screw in
bottom of pumpshaft is tight. Make
Grinder
sure the impeller turns freely by hand
after reassembly. Some drag will be
present due to the shaft seals. There
should not be any binding or tight
spots when turning the grinder
impeller.
the
shaft
and
tap
on
threads
before
Motor Power Cords
Pump models with seal leak detector
use a 5 conductor, #12 gauge cord.
The three power conductors are
BLACK, WHITE and RED. The BLUE or
ORANGE conductor connects to the
seal
leak
probe
and
conductor connects to the ground
screw inside the cord cap. For single
phase, BLACK is "Common", WHITE is
"Run", and RED is "Start".
Cord Seal - The lines from the motor
chamber are sealed with a rubber
sealing grommet that prevents oil
from leaking into the cord cap
compartment. If it is necessary to
replace the power cord, the sealing
grommet must not be loosened. This
wire seal is removed only for
complete motor repair that must be
done at an authorized service center.
IMPORTANT!
wires must be connected in
the
control
grounding bar, which is connected
to a good suitable ground. MOTOR
IS NOT SAFE UNLESS PROPERLY
GROUNDED.
Service
GREEN
-
Ground
box
to
a
05