Power-flo PF4NC2824SS Series Guide

ISP No: PF4NCss ISP -1/2021
INSTALLATION, SERVICE & PARTS MANUAL
Series: PF4NC2824SS
PF4NC2834SS, PF4NC2844SS
PF4NC3724SS, PF4NC3734SS,
PF4NC3744SS, PF4NC3764SS,
PF4NC5024SS, PF4NC5034SS,
PF4NC5044SS, PF4NC5064SS
2.8, 3.7 & 5HP,
1750RPM, 60Hz
Submersible Non-Clog
877-24PUMPS • www.poweropumps.com

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Power-Flo Pumps & Systems • 877-24PUMPS • www.poweropumps.com
PF4NC-SS Non-Clog Pumps
General Safety Information
® Power-Flo is a registered trademark of Power-Flo Technologies Inc. Other brand and product names are trademarks or registered trademarks of
their respective holders. Alteration Rights Reserved. 3/08, 6/09, 7/10, 2/11, 10/11, 4/13, 9/15, 8/17, 9/2020, 1/2021
Before installation, read the following
instructions carefully. Failure to follow
instruction and Safety information could
cause serious bodily injury, death and/or
property damage. Each Power-Flo pump is
individually factory tested to insure proper
performance. Closely following these
instructions will eliminate potential operating
problems, assuring years of trouble-free
service.
“Danger” indicates
an imminenty
hazardous situation which, if not avoided,
WILL result in death or serious injury.
“Warning” indicates
an imminenty
hazardous situation which, if not avoided,
MAY result in death or serious injury.
“Caution” indicates
an potentially
hazardous situation which, if not avoided,
MAY result in minor or moderate injury.
IMPORTANT - Power-Flo Pumps and
Systems is not responsible for losses, injury
or death resulting from failure to observe
these safety precautions, misuse, abuse or
misapplication of pumps or equipment.
ALL RETURNED
PRODUCTS MUST BE
CLEANED, SANITIZED,
OR DECONTAMINATED
PRIOR TO SHIPMENT, TO
INSURE EMPLOYEES WILL NOT BE EXPOSED
TO HEALTH HAZARDS IN HANDLING SAID
MATERIAL. ALL APPLICABLE LAWS AND
REGULATIONS SHALL APPLY.
Installation, wiring,
and junction
connections must be in accordance with
the National Electric Code and all applicable
state and local codes. Requirements may
vary depending on usage and location.
Installation and
servicing is to be
conducted by qualied personnel only.
Keep clear of suction
and discharge
openings. Do not insert ngers in
pump with power connected.
Always wear eye
protection when
working on pumps. Do not wear loose
clothing that may become entangled in
moving parts
Pumps build up heat
and pressure during
operation. Allow time
for pumps to cool
before handling or
servicing.
This pump is not
intended for use
in swimming pools or water
installations where human
contact with pumped uid.
Risk of electric shock.
To reduce risk of
electric shock, always disconnect
pump from power source before
handling. Lock out power & tag.
Do not us these
pumps in water
over 104˚F. Do not exceed manufactures
recommended maximum performance, as
this could cause the motor to overheat.
Do not lift, carry or
hang pump by the
electrical cables. Damage to the
electrical cables can cause shock,
burnes or death. Never handle
connected power cords with wet hands. Use
appropriate lifting device.
Sump and sewage
pumps often handle
materials which could cause illness or disease.
wear adequate protective clothing when
working on a used pump or piping. Never
enter a basin after it has been used.
Failure to permanently
ground the pump,
motor and controls before
connecting to power can cause
shock, burns or death.
These pumps are NOT
to be installed in
locations classied as hazardous in
accordance with the National
Electric Code, ANSI/NFPA 70.
The Uniform Plumbing
Code (UPC) states that
sewage systems shall have an audio and
visual alarm that signals a malfunction of
the systems that is required to reduce the
potential for property damage.
IMPORTANT!
Prior to installation, record Model
Number, MFG Date, Amps, Voltage, Phase
and HP, from pump name plate for future
reference. Also record the Voltage and
Current Readings at Startup:
1 Phase Models
Amps: Volts:
3 Phase Models
Amps L1-2: Volts L1-2:
Amps L2-3: Volts L2-3:
Amps L3-1: Volts L3-1:
Model Number: ____________________
MFG Date: ____________
PHASE: ______ HP: _________________
WARNING:
CANCER AND REPRODUCTIVE HARM-
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Power-Flo Pumps & Systems • 877-24PUMPS • www.poweropumps.com
Specications
DISCHARGE 4” 125 lb., ANSI, Flange Horizontal
LIQUID TEMPERATURE 104°F
MOTOR HOUSING Cast Iron, Class 30
VOLUTE Cast Iron, Class 30
IMPELLER
2 vane open type with pump out vanes on back
side, Dynamically balanced, ISO G6.3,
Cast Iron, Class 30
SOLIDS HANDLING 3” spherical
SHAFT Stainless steel
SEAL PLATE Cast Iron, Class 30
PAINT Air dry enamel
SQUARE RINGS Buna-N
HARDWARE Stainless steel
SEAL
Single mechanical, Inboard, Oil Filled reservoir,
with Secondary Exclusion seal
Silicon Carbide/Buna-N
UPPER BEARING Single row, ball, oil lubricated
LOWER BEARING Single row, ball, oil lubricated
POWER CORD
25 Ft. Cord. Epoxy sealed housing with
secondary Pressure grommet for sealing and
strain relief.
MOTOR Class B Insulation, Oil Filled
SINGLE PHASE Permanent Split Capacitor (PSC)
Includes overload protection in motor
THREE PHASE 230/460 Volt. Dual Voltage. Requires overload
protection to be included in control panel.
Series: PF4NC2824SS
PF4NC2834SS, PF4NC2844SS
PF4NC3724SS, PF4NC3734SS,
PF4NC3744SS, PF4NC3764SS,
PF4NC5024SS, PF4NC5034SS,
PF4NC5044SS, PF4NC5064SS
2.8, 3.7 & 5HP,
1750RPM, 60Hz
Submersible Non-Clog
PF4NC-SS Non-Clog Pumps

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Power-Flo Pumps & Systems • 877-24PUMPS • www.poweropumps.com
Dimensions
PF4NC2824SS, PF4NC3724SS, PF4NC3734SS,
PF4NC3744SS, PF4NC3764SS, PF4NC5024SS,
PF4NC5034SS, PF4NC5044SS, PF4NC5064SS
PF4NC2834SS, PF4NC2844SS
PF4NC-SS Non-Clog Pumps

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Power-Flo Pumps & Systems • 877-24PUMPS • www.poweropumps.com
PF4NC-SS Non-Clog Pumps
MODEL HP Hz Volts/Ph RPM
NEMA
START
CODE
FULL
LOAD
AMPS
LOCKED
ROTOR
AMPS
CORD
SIZE
CORD
TYPE
CORD
O.D.
PF4NC2824SS 2.8 60 230/1 1750 A 12.6 23.0 10/3 SOW 0.69
PF4NC2834SS 2.8 60 230/3 1750 E 8.0 35.0 10/4 SOW 0.75
PF4NC2844SS 2.8 60 460/3 1750 E 4.0 17.5 10/4 SOW 0.75
PF4NC3724SS 3.7 60 230/1 1750 A 18.5 29.0 10/3 SOW 0.69
PF4NC3734SS 3.7 60 230/3 1750 F14.0 50.8 10/4 SOW 0.75
PF4NC3744SS 3.7 60 460/3 1750 F7.0 25.4 10/4 SOW 0.75
PF4NC3764SS 3.7 60 208/3 1750 D 15.4 44.1 10/4 SOW 0.75
PF4NC5024SS 5.0 60 230/1 1750 A 28.0 59.0 10/3 SOW 0.69
PF4NC5034SS 5.0 60 230/3 1750 D 19.0 56.0 10/4 SOW 0.75
PF4NC5044SS 5.0 60 460/3 1750 D 9.0 28.0 10/4 SOW 0.75
PF4NC5064SS 5.0 60 208/3 1750 B20.9 48.6 10/4 SOW 0.75
Winding resistance ± 5% at terminal block.
Rated operation at ± 10% voltage at motor.
Specications

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Performance
PF4NC-SS Non-Clog Pumps

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Power-Flo Pumps & Systems • 877-24PUMPS • www.poweropumps.com
Receiving Inspection
Upon receiving the pump, it should be
inspected for damage or shortages.
If damage has occurred, le a claim
immediately with the company that
delivered the pump. If the manual is
removed from the packaging, do not
lose or misplace.
Storage
Any product that is stored for a period
longer than six (6) months from the
date of purchase should be bench
tested prior to installation. A bench
test consists of, checking the impeller
to assure it is free turning and a run
test to assure the motor (and switch
if provided) operate properly. Do not
pump out of liquid.
Controls
Manual models require a separate
approved pump control device or panel
for automatic operation. Be sure the
electrical specication of the control
selected properly match the electrical
specications of the pump.
Submergence
The pump should always be operated in
the submerged condition. The minimum
sump liquid level should never be less than
above the pump’s volute (See Figure 1).
Installation
These pumps are recommended for
use in a sump, basin or lift station.
The sump, basin or lift station shall be
sealed and vented in accordance with
local plumbing codes. This pump is
designed to pump sewage, euent
or wastewater, nonexplosive and
noncorrosive liquids and shall NOT
be installed in locations classied as
hazardous in accordance with the
National Electrical Code (NEC) ANSI/
NFPA 70 or Canadian Electric Code
(CEC). The pump should never be
installed in a trench, ditch, or hole with
a dirt bottom. The legs will sink into
the dirt and the suction will become
plugged.
The installation should be at a sucient
depth to ensure that all plumbing is
below the frost line. If this is not feasible,
remove the check valve and size the
basin to accommodate the additional
backow volume.
Pumps are most commonly installed
in simplex or duplex stations or basins
with a slide rail system, which allows
the pump(s) to be installed or removed
without requiring personnel to enter
the station, or resting on the basin oor.
Discharge Piping
Discharge piping should be as short
as possible and sized no smaller than
the pump discharge. Do not reduce
the discharge pipe size below that
which is provided on the pump. Both
a check valve and a shut-o valve are
recommended for each pump. The
check valve is used to prevent backow
into the sump. The shut-o valve is
used to manually stop system ow
during pump servicing.
Liquid Level Controls
The level control(s) should be mounted
on the discharge piping, a cable rack
or oat pole. The level control should
have adequate clearance so it cannot
hang up in it’s swing and that the pump
is completely submerged when the
level control is in the “O” mode. By
adjusting the cord tether the control
level can be changed. One cycle of
operation should be observed, so that any
potential problems can be corrected.
It is recommended that the level control
oat should be set to insure that the liquid
in the sump never drops below the top of
the motor housing or a minimum level of
10 inches above the basin oor.
Electrical Connections
Power cable:
The power cable mounted to the pump
must not be modied in any way except
for shortening to a specic application.
Any splice between the pump and the
control panel must be made in
accordance with the electric codes. It is
recommended that a junction box, if used,
be mounted outside the sump or be of
at a minimum Nema 4 construction if
located within the wet well. DO NOT USE
THE POWER CABLE TO LIFT PUMP.
Always rely upon a Certied Electrician
for installation.
Overload Protection:
Single Phase - The stator in-winding
overload protector used is referred to
as an inherent overheating protector
and operates on the combined eect
of temperature and current. This means
that the overload protector will trip out
and shut the pump o if the windings
become too hot, or the load current
passing through them becomes too high.
Figure 1
Receiving & Installation
Recommended
Submergence Level
Minimum
Submergence Level
11”
Bottom of Feet
PF4NC-SS Non-Clog Pumps

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Power-Flo Pumps & Systems • 877-24PUMPS • www.poweropumps.com
IMPORTANT ! - The overload will then
automatically reset and start the pump
up after the motor cools to a safe
temperature. In the event of an overload,
the source of this condition should be
determined and corrected immediately.
WARNING! - DO NOT LET
THE PUMP CYCLE OR RUN IF
AN OVERLOAD CONDITION
OCCURS !
If current through the temperature sensor
exceeds the values listed, an intermediate
control circuit relay must be used to
reduce the current or the sensor will not
work properly.
TEMPERATURE SENSOR ELECTRICAL
RATINGS
Volts Continuous
Amperes
Inrush
Amperes
110-120 3.00 30.0
220-240 1.50 15.0
440-480 0.75 7.5
600 0.60 6.0
Wire Size:
If longer power cable is required consult
a qualied electrician for proper wire
size.
Pre-Operation
1. Check Voltage and Phase - Compare
the voltage and phase information
stamped on the pump name plate.
2. Check Pump Rotation - Improper
motor rotation can result in poor
pump performance and can damage
the motor and/or pump. Check
rotation on three phase units by
momentarily applying power and
observe the “kickback”.
Kickback should always be in a
counter-clockwise direction as
viewed from motor end or opposite
to impeller rotation. Impeller rotation
is counter-clockwise as viewed from
bottom of pump.
3. Name Plate - Record the information
from the pump name plate to
drawing in front of manual for future
reference.
4. Insulation Test - An insulation
(megger) test should be performed
on the motor. Before the pump is put
into service. The resistance values
(ohms) as well as the voltage (volts)
and current (amps) should be
recorded.
5. Pump-Down Test - Be sure pump
has been properly wired, lowered into
the basin, sump or lift station, check
the system by lling with liquid and
allowing the pump to operate through
its pumping cycle. The time needed to
empty the system, or pump-down
time along with the volume of water,
should be recorded.
Maintenance
No lubrication or maintenance is required.
Perform the following checks when pump
is removed from operation or when pump
performance deteriorates:
a). Inspect motor chamber for oil level
and contamination.
b). Inspect impeller and body for
excessive build-up or clogging.
c). Inspect motor, bearings and shaft seal
for wear or leakage.
Servicing
NOTE: Item numbers in ( ) refer to Figures
6 through 10.
Cooling Oil - Anytime the pump is
removed from operation, the cooling oil
in the motor housing should be checked
visually for oil level and contamination.
To check oil, set unit upright. Remove
pipe plug (20) from housing (4). With a
ashlight, visually inspect the oil in the
housing (4) to make sure it is clean and
clear, light amber in color and free from
suspended particles. Milky white oil
indicates the presence of water. Oil level
should be just above the motor when
pump is in vertical position.
Oil Testing
• Drain oil into a clean, dry container by
placing pump on it’s side, remove pipe
plug (20), from housing (4).
• Check oil for contamination using an
oil tester with a range to 30 Kilovolts
breakdown.
• If oil is found to be clean and
uncontaminated (measuring above
15 KV. breakdown), rell the housing.
• If oil is found to be dirty or
contaminated (or measures below
15 KV. breakdown), the pump must
be carefully inspected for leaks at the
shaft seal, cable assembly, square ring
and pipe plug, before relling with oil. To
locate the leak, perform a pressure test.
After leak is repaired, dispose of old oil
properly, and rell with new oil.
Installation & Service
PF4NC-SS Non-Clog Pumps

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Power-Flo Pumps & Systems • 877-24PUMPS • www.poweropumps.com
Pressure Test (If oil has been drained)
Remove pipe plug (20) from housing (4).
Apply pipe sealant to pressure gauge
assembly and tighten into hole. Pressurize
motor housing to 10 P.S.I. Use soap
solution around the sealed areas and
inspect joints for “air bubbles”.
If, after ve minutes, the pressure is still
holding constant, and no “bubbles” are
observed, slowly bleed the pressure and
remove the gauge assembly. Replace
oil. Leek must be located and repaired if
pressure does not hold.
Pressure Test (If oil has NOT been
drained) - Oil should be at normal level.
Remove pipe plug (20) from housing (4).
Apply pipe sealant to pressure gauge
assembly and tighten into hole. Pressurize
motor housing to 10 P.S.I. Use soap
solution around the sealed areas above
the oil level and inspect joints for “air
bubbles”. For sealed areas below oil level,
leeks will seep oil. If, after ve minutes,
the pressure is still holding constant, and
no “bubbles” /oil seepage is observed,
slowly bleed the pressure and remove the
gauge assembly. Replace oil. Leek must be
located and repaired if pressure does not
hold.
Pressure builds up extremely
fast, increase pressure by
“TAPPING” air nozzle. Too much
pressure will damage seal. DO
NOT exceed 10 P.S.I.
Oil Replacement - Set unit upright and
rell with new cooling oil as per table
below . Fill to just above motor, but below
capacitor as an air space must remain in
the top of the housing to compensate
for oil expansion. Apply pipe thread
compound to threads of pipe plug (20)
then assemble to housing (14.
DO NOT overfill oil. Overfilling
of housing with oil can create
excessive and dangerous hydraulic
pressure which can destroy the
pump and create a hazard.
Overfilling oil voids warranty.
Cooling Oil
Recommended Supplier/Grade
BP Enerpar SE100
Conoco Pale Parafn 22
Mobile D.T.E. Oil Light
Shell Canada Transformer-10
Texaco Diala-Oil-AX
Disassembly
Impeller and Volute:
1. Disconnect power.
2. Remove hex nuts (9), vertically lift motor
housing and seal plate assembly from
volute (1). Clean out volute if necessary.
3. Inspect o-ring (19) and replace if cut or
damaged.
4. Clean and examine impeller (2), for
cracks or breakage and replace if required.
To remove impeller (2), remove impeller
nut (12) and washer (13). With a wheel
puller, pull impeller straight o shaft and
remove key (14).
5. Remove washer (15) and v-gasket (16)
and remove if damaged.
Power Cord - PF4NC2834SS, 2844SS,
2854SS (See Figures 6 & 7):
6. Remove gland nut (23), friction ring
(24), grommet (25) and friction ring (24)
from motor housing (4). Pull cord through
and disconnect the wires from the
terminals (28).
Power Cord - PF4NC2824SS, 3744SS,
3734SS, 3744SS, 3754SS, 3764SS,
5024SS, 5034SS, 5044SS, 5054SS,
5064SS (See Figues 8, 9 & 10)
7. Remove cap screws (36) and washers
(37), lift conduit box and cable assy (33)
from motor housing (4). Disconnect the
wires from the terminals (28). Remove
o-ring (35) replace if damaged.
Motor & Capacitor:
8. Remove screws (17) and lift motor
housing (4) from seal plate (3).
9. Remove o-ring (18), replace if damaged.
10. Remove motor bolts, lift motor stator
assembly from seal plate (3).
11. On Single Phase units only
(PF4NC2824SS, 3724SS, 5024SS). Check
motor capacitor (34) with an Ohm
meter by rst grounding the capacitor
by placing a screwdriver across both
terminals and then removing screwdriver.
Connect Ohm meter (set on high scale) to
terminals. If needle moves to innity (∞)
then drifts back, the capacitor is good. If
needle does not move or moves to innity
(∞) and does not drift back, replace
capacitor (34).
12. Inspect motor winding for shorts and
check resistance values. Check rotor for
wear. If rotor or the stator windings are
defective, the complete motor must be
replaced.
Figure 2
Service
PF4NC-SS Non-Clog Pumps

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Power-Flo Pumps & Systems • 877-24PUMPS • www.poweropumps.com
Shaft Seal:
13. Unscrew conduit bushing (29) from
seal plate (3) and lift motor rotor, shaft,
bearing (8), rotating member of seal (6),
washer (30) and conduit bushing (29)
from seal plate (3). See Figure 3.
14. Remove seal parts (6) from shaft.
Examine all seal parts, if seal faces show
signs of wear, uneven wear pattern, chips
or scratches replace entire seal. DO NOT
interchange seal components, replace
the entire shaft seal (6). If replacing seal,
remove stationary from seal plate (3) by
prying out with at screwdrive.
Reassembly:
IMPORTANT! - All parts must be
clean before reassembly.
Handle seal parts with extreme
care. DO NOT damage lapped
surfaces.
Shaft Seal:
1. To reassemble, clean seal cavity in seal
plate (3) and oil.
2. Press seal’s (6) stationary member
rmly into seal plate (3), use a seal tool
or pipe. Nothing should come in contact
with the seal face except the seal tool. Be
sure the stationary is in straight.
3. Place conduit bushing (29) and washer
(30) onto shaft. Press lower bearing (8)
onto shaft.
4. Place seal’s (6) retaining ring and
spring onto shaft. Lightly oil (Do not
use grease) shaft and inner surface of
bellows.
5. With lapped surface of rotating
member facing outward, slide over shaft
using a seal tool, being carefull not to
damage seal face. Make sure spring is
seated in retaining ring and spring is
lined up on rotating member and not
cocked or resting on bellows tail.
Bearing & Motor:
6. Slide rotor/shaft with bearing (8) and
seal parts (6) into seal plate (3) until
bearing seats into seal plate and tighten
conduit bushing (29) into seal plate (3).
Place stator over rotor, lining up motor
bolts with holes in seal plate (3). Insert
motor bolts and torque to 17 inch pounds.
7. On Single phase units, connect
capacitor (34) to motor wires. See Figure 5.
8. On models PF4NC2834SS, 2844SS,
2854SS, place gland nut (23), one friction
ring (24), grommet (25) and one friction
ring (24) onto cord (22) and slide cord
through hole in motor housing (4) (See
Figure 4). Make wire connections per
Figure 5.
9. On models PF4NC2824SS, 3744SS,
3734SS, 3744SS, 3754SS, 3764SS,
5024SS, 5034SS, 5044SS, 5054SS,
5064SS, place all motor leads above
motor. Place o-ring (18) on seal plate (3)
and lower motor housing (4) onto seal
plate (3).
10. Place socket head screws (17) through
seal plate into motor housing and torque
to 60 inch pounds.
Impeller & Volute:
11. Install v-gasket (16) and impeller
washer (15) over shaft, and into seal plate
(3).
12. Install impeller (2) by appling a thin
lm of oil to motor shaft and slide impeller
straight onto shaft, keeping keyways lined
up. Drive key (14) into keyway.
13. Place washer (13) and impeller nut (12)
onto shaft and torque to 40 ft lbs. Rotate
impeller to check for binding.
14. Place o-ring (19) onto volute (1).
15. Lower motor housing and seal plate
assembly onto volute (1). Apply thread
locking compound to studs (9) and place
hex nuts (4) onto studs and torque to 24
ft. lbs.
Figure 3
Service
PF4NC-SS Non-Clog Pumps

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Power-Flo Pumps & Systems • 877-24PUMPS • www.poweropumps.com
Models - PF4NC2824SS, 3744SS,
3734SS, 3744SS, 3754SS, 3764SS,
5024SS, 5034SS, 5044SS, 5054SS,
5064SS
16. Pull wires through large opening
in motor housing (4) an connect wires
with cord (22) in Conduit box (33) per
schematic in Figure 5.
17. Rell with cooling oil and place o-ring
(35) and conduit box (33)onto motor
housing (4). Place cap screws (36) and
washers (37) through conduit box into
motor housing and tighten to 16 ft lbs.
Cable Assembly:
18. For ALL Models - Check power cord
(22) for cracks or damage and replace
if required. Insert one friction ring (24),
grommet (25), one friction ring (24), and
gland nut (23) into motor housing (4) or
conduit box & cable assembly (33) and
torque gland nut (23) to 15 ft lbs.
19. on models PF4NC2834SS, 2844SS,
2854SS, rell with with cooling oil and
replace pipe plug (20).
Power Cable Motor Lead Number
Green (Ground) Green
Black 1
White 2
Flag Terminal Capacitor
Flag Terminal Capacitor
Power Cable Motor Lead Number
Green (Ground) Green
Black 1 & 7
Red 2 & 8
White 3 & 9
4, 5 & 6 Together
Power Cable Motor Lead Number
Green (Ground) Green
Black 1
Red 2
White 3
4 & 7 Together
5 & 8 Together
6 & 9 Together
IMPORTANT! -- WIRE COLORS MAY
VARY. USE IDENTIFICATION TAG ON
EACH LEAD.
Figure 5 - 115/230 Volt AC, 1Ph
Models: PF4NC2824SS, 3724SS, 5024SS
Service
Figure 4
Figure 5 - 208/230 Volt AC, 3Ph
Models: PF4NC2834SS,3734SS, 3764SS,
5034SS, 5064SS
Figure 5 - 460 Volt AC, 3Ph
Models: PF4NC2844SS, 3744SS, 5044SS
PF4NC-SS Non-Clog Pumps

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Power-Flo Pumps & Systems • 877-24PUMPS • www.poweropumps.com
Repair Parts For Repair Part Please supply: Model Number and MFG Date as shown on
Name Plate, and Part Description and Part Number as shown on Parts List.
Figure 6
PF4NC2834SS, 2844SS Non-Clog Pumps

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Power-Flo Pumps & Systems • 877-24PUMPS • www.poweropumps.com
Repair Parts
For Repair Part Please supply: Model Number and MFG Date as shown on
Name Plate, and Part Description and Part Number as shown on Parts List.
Figure 7
PF4NC2834SS, 2844SS Non-Clog Pumps

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Power-Flo Pumps & Systems • 877-24PUMPS • www.poweropumps.com
Ref.
No.
Qty Description Used On Part Numbers
1 1 Volute PF03090080
2 1 Impeller - 6.00” Dia PF03140077C
31Seal Plate PF03180012
4 1 Motor Housing PF03100002
61Shaft Seal - Silicon Carbide PF31030152
7 2 Motor #119, 2.8HP, 230/460, 3PH PF4NC2834SS, 2844SS PF40040005
8 1 Ball Bearing, Lower, 206ZZ Max Type PF31020010
94Stud 3/8-16 x 2” Lg , Stainless 
10 4 Hex Nut 3/8-16, Stainless 
11 1 Ball Bearing, Upper, 6203 2RS PF62032RS
12 1 Impeller Nut 5/8-18, Stainless PF91010442
13 1Washer 5/8, Stainless PF91010063
14 1 Shaft Key PF91010111
15 1Washer, Impeller PF91010051
16 1V-Gasket PF92010112
17 2 Soc. Hd Cap Screw 1/4-20 x 1” Lg, Stainless 
18 1 O-ring PF92010083
19 1O-ring PF92010082
20 1 Pipe Plug 3/4” NPT 
21 1 Eye Bolt 1/2-13 x 1” Lg. 
Power Cable Assy. Includes (*): 22, 23, 24, 25 PF053165
22 1 * Power Cable, 25 Ft., 10/4, SOW PF31030003
23 1* Gland Nut PF30400903
24 2 * Friction Ring PF91010055
25 1* Grommet PF92010001
26
1Wire Connector PF94010012
3Wire Connector PF94010012
27 1 Eye terminal 3/16” 
28 3 Terminal Connector PF94010027
29 1Conduit Bushing PF31190021
30 1Washer Bushing PF91010054
31 2Screw 1/2-13 x 1.75” Lg, Stainless 
32 1Lockwasher 1/2” Stainless 
38 6 Female Connector PF94010041
39 1.5gal Cooling Oil Aquire locally - See chart on Page 8
Parts List For Repair Part Please supply: Model Number and MFG Date as shown on
Name Plate, and Part Description and Part Number as shown on Parts List.
PF4NC2834SS, 2844SS Non-Clog Pumps
See Figures 6 & 7  = Aquire standard hardware locally.
 = Overhaul Kit
 = Supplied as individual items
See Page 20 For Kit Part Numbers

15
Power-Flo Pumps & Systems • 877-24PUMPS • www.poweropumps.com
Repair Parts
For Repair Part Please supply: Model Number and MFG Date as shown on
Name Plate, and Part Description and Part Number as shown on Parts List.
Figure 8
PF4NC2824SS, 3724SS, 3734SS, 3744SS, 3764SS, 5024SS, 5034SS, 5044SS, 5064SS

16
Power-Flo Pumps & Systems • 877-24PUMPS • www.poweropumps.com
Parts List For Repair Part Please supply: Model Number and MFG Date as shown on
Name Plate, and Part Description and Part Number as shown on Parts List.
Figure 9
PF4NC2824SS, 3724SS, 5024SS Non-Clog Pumps

17
Power-Flo Pumps & Systems • 877-24PUMPS • www.poweropumps.com
Parts List
For Repair Part Please supply: Model Number and MFG Date as shown on
Name Plate, and Part Description and Part Number as shown on Parts List.
Ref.
No.
Qty Description Used On Part Numbers
1 1 Volute PF03090080
2 1 
Impeller - 6.00” Dia PF4NC2824SS PF03140077C
Impeller - 6.50” Dia PF4NC3724SS PF03140077B
Impeller - 7.00” Dia PF4NC5024SS PF03140077
31Seal Plate PF03180012
4 1 Motor Housing PF03100009
61Shaft Seal - Silicon Carbide PF31030152
7 1 Motor - 2.8, 3.7, 5HP, 230 V, 1Ph PF40040061
8 1 Ball Bearing - PF31020010
94Stud 3/8-16 x 2” Lg , Stainless 
10 4 Hex Nut 3/8-16, Stainless 
12 1 Impeller Nut 5/8-18, Stainless PF91010442
13 1Washer 5/8, Stainless PF91010063
14 1 Shaft Key PF91010111
15 1Washer, Impeller PF91010051
16 1V-Gasket PF92010112
17 2 Soc. Hd Cap Screw 1/4-20 x 1” Lg, Stainless 
18 1 O-ring PF92010083
19 1O-ring PF92010082
20 1 Pipe Plug 3/4” NPT 
21 1 Eye Bolt 1/2-13 x 1” Lg. 
Power Cable Assy. Includes (*): 22, 23, 24, 25, 26, 27, 33, 35 PF085399
22 1 * Power Cable, 25 Ft., 10/3, SOW PF31030013
23 1* Gland Nut PF30400903
24 2 * Friction Ring PF91010055
25 1* Grommet PF92010001
27 1 * Eye terminal 3/16” 
28 2 Terminal Connector PF94010027
29 1Conduit Bushing PF31190021
30 1Washer Bushing PF91010054
31 2Screw 1/2-13 x 1.75” Lg, Stainless 
32 1Lockwasher 1/2” Stainless 
33 1* Conduit Box PF03100010
34 1Capacitor, 45 MFD 370V PF31030038
35 1*O-ring PF92010063
36 4Cap screw 1/4-20 x 1” Lg Stainless 
37 4Lockwasher 1/4” Stainless 
38 8Female Connector PF94010041
39 1.85gal Cooling Oil Aquire locally - See chart on Page 8
40 1 Pan Hd Screw 6-32 x .375” Lg 
PF4NC2824SS, 3724SS, 5024SS Non-Clog Pumps
See Figures 8 & 9
 = Aquire standard hardware locally.
 = Overhaul Kit
 = Supplied as individual items See Page 20 For Kit Part Numbers

18
Power-Flo Pumps & Systems • 877-24PUMPS • www.poweropumps.com
Parts List For Repair Part Please supply: Model Number and MFG Date as shown on
Name Plate, and Part Description and Part Number as shown on Parts List.
Figure 10
PF4NC3734SS, 3744SS, 3764SS, 5034SS, 5044SS, 5064SS Non-Clog Pumps

19
Power-Flo Pumps & Systems • 877-24PUMPS • www.poweropumps.com
Parts List
For Repair Part Please supply: Model Number and MFG Date as shown on
Name Plate, and Part Description and Part Number as shown on Parts List.
Ref.
No.
Qty Description Used On Part Numbers
1 1 Volute PF03090080
2 1 Impeller - 6.50” Dia PF4NC3734SS, 3744SS, 3764SS PF03140077B
Impeller - 7.00” Dia PF4NC 5034SS, 5044SS, 5064SS PF03140077
31Seal Plate PF03180012
4 1 Motor Housing PF03100009
61Shaft Seal - Silicon Carbide PF31030152
7 1 Motor - 3.7, 5HP, 230/460 V, 3Ph PF40040006
8 1 Ball Bearing PF31020010
94Stud 3/8-16 x 2” Lg , Stainless 
10 4 Hex Nut 3/8-16, Stainless 
11 1 Upper Bearing PF62032RS
12 1 Impeller Nut 5/8-18, Stainless PF91010442
13 1Washer 5/8, Stainless PF91010063
14 1 Shaft Key PF91010111
15 1Washer, Impeller PF91010051
16 1V-Gasket PF92010112
17 2 Soc. Hd Cap Screw 1/4-20 x 1” Lg, Stainless 
18 1 O-ring PF92010083
19 1O-ring PF92010082
20 1 Pipe Plug 3/4” NPT 
21 1 Eye Bolt 1/2-13 x 1” Lg. 
Power Cable Assy., Includes (*): 22, 23, 24, 25, 27, 33 PF085092
22 1 * Power Cable, 25 Ft., 10/4, SOW PF31030003
23 1* Gland Nut PF30400903
24 2 * Friction Ring PF91010055
25 1* Grommet PF92010001
26 1Wire Connector PF4NC3734SS, 5034SS PF94010012
3 Wire Connector PF4NC3744SS, 5044SS PF94010012
27 1 * Eye terminal 3/16” PF94010043
28
2Terminal Connector PF4NC3734SS, 3744SS, 5034SS, 5044SS PF94010027
3 Terminal Connector PF4NC3764SS, 5064SS PF94010027
29 1Conduit Bushing PF31190021
30 1Washer Bushing PF91010054
31 2Screw 1/2-13 x 1.75” Lg, Stainless 
32 1Lockwasher 1/2” Stainless 
PF4NC3734SS, 3744SS, 3764SS, 5034SS, 5044SS, 5064SS Non-Clog Pumps
See Figures 8 & 10
 = Aquire standard hardware locally.
 = Overhaul Kit
 = Supplied as individual items See Page 20 For Kit Part Numbers

20
Power-Flo Pumps & Systems • 877-24PUMPS • www.poweropumps.com
Parts List For Repair Part Please supply: Model Number and MFG Date as shown on
Name Plate, and Part Description and Part Number as shown on Parts List.
PF4NC3734SS, 3744SS, 3764SS, 5034SS, 5044SS, 5064SS Non-Clog Pumps
See Figures 8 & 10
Ref.
No.
Qty Description Used On Part Numbers
33 1* Conduit Box PF03100010
35 1O-ring PF92010063
36 4Cap screw 1/4-20 x 1” Lg Stainless 
37 4Lockwasher 1/4” Stainless 
38 6 Female Connector PF94010041
39 1.85gal Cooling Oil Aquire locally - See chart on Page 8
40 1 Pan Hd Screw 6-32 x .375” Lg 
Repair Kit
OVERHAUL KIT - Includes: 6, 8, 12, 13, 14, 15, 16, 18, 19, 29, 30, 35 PF4NCSS-OHK
 = Aquire standard hardware locally.
 = Overhaul Kit
 = Supplied as individual items
Model Number
MFG Date
AMPS VOLTAGE
PHASE HP
60 Hz
877-24 PUMPS
www.powerflopumps.com
Typical Name Plate